ׯگԨĂߛĂࡆࡆڟ
ሏ໙ٷݣഗ
ADA4851-1/ADA4851-2/ADA4851-4
༬Ⴀ
ᆅগದዃ
ADA4851-1
VOUT 1
6
+VS
–VS 2
5
POWER DOWN
+IN 3
4
–IN
05143-001
ཚࡗഛכᆌᆩණኤ
ߛ
-3 dBټǖ130 MHz
! უӦ୲ǖ375 V/μs
0.1%ॺ૬้क़ǖ55 ns
ڦೕ༬Ⴀ
0.1 dBೝ།܈ǖ11 MHz
! ֶݴሺᅮǖ0.08%
! ֶݴ၎࿋ǖ0.09°
ۉۨܮᇸۉუǖ+3 VĂ+5 Vࢅ±5 V
ࡆࡆڟ
! Ӧڟٳޗඪᅃࠃࡆۉ60 mVాྷݔ
گ฿ۙۉუǖ0.6 mV
ۉᇸۉუྷݔǖ2.7 V12 V
ࡼࠀگǖ߲ٷݣഗ2.5 mA
ูۉఇ๕
༵ࠃবูक़ހڦጎ
6ᆅগSOT-23Ă8ᆅগMSOPࢅ14ᆅগTSSOP
TOP VIEW (Not to Scale)
1. ADA4851-1 6ᆅগSOT-23 (RJ-6)
ADA4851-2
8
+VS
–IN1 2
7
OUT
+IN1 3
6
–IN2
–VS 4
5
+IN2
05143-058
OUT1 1
TOP VIEW
(Not to Scale)
2. ADA4851-2 8ᆅগMSOP (RM-8)
VOUT 1 1
14
VOUT 4
–IN 1 2
13
–IN 4
+IN 1
12
+IN 4
11
–VS
+IN 2 5
10
+IN 3
–IN 2 6
9
–IN 3
VOUT 2 7
8
VOUT 3
3
ᆌᆩ
כሜ႑တᇏૂဣཥ
ഛ॑כ๓ᇵޤዺဣཥ
ၩݯૌೕยԢ
ጆᄽೕยԢ
ೕൎ࣑ഗ
ᆶᇸ୳հഗ
้ዓ࣐؋ഗ
TOP VIEW
(Not to Scale)
05143-054
ADA4851-4
+VS 4
3. ADA4851-4 14ᆅগTSSOP (RU-14)
߁ຎ
ׯگԨĂݴֶڦሺᅮ(0.08%)ࢅֶݴ၎࿋(0.09º)ᅜत
11 MHzڦ0.1 dBೝ།܈Lj๑ኄၵٷݣഗݥࢇၩۉݯጱ
ೕᆌᆩă
4
G = +1
VS = 5V
RL = 1kΩ
CL = 5pF
3
2
1
0
–1
–2
–3
–4
–5
–6
1
ADA4851-1WĂADA4851-2WࢅADA4851-4Wྺഛכᆌᆩ
पׂLjᅙཚࡗഛכᆌᆩණኤă
10
100
FREQUENCY (MHz)
1k
05143-004
ADA4851ဣଚยऺ֑ᆩ+3 V±5 Vۉᇸࠃۉăኄၵഗॲਏ
ᆶۉڇᇸࠃీۉ૰Lj႑ࡽકቛࠃࡆۉᅜူ
200 mVĂኟࠃڦࡆۉ2.2 VాྷݔăٷݣഗڦӦޗٳ
ඪᅃࠃڦࡆۉ60 mVాྷݔă
߸ၘܠ൧֖९“ഛכᆌᆩपׂ”ևݴăADA4851ဣଚᅜ
ሞકቛ࿒)ྷݔ܈−40°C+125°C*ా߾ፕă
CLOSED-LOOP GAIN (dB)
ADA4851-1)ڇཚ*ڢĂADA4851-2)ມཚࢅ*ڢADA4851-4)຺
ཚ*ڢྺׯگԨĂߛĂۉუݒઍ႙Ăࡆࡆڟሏ໙ݣ
ٷഗăኄၵഗॲׯԨডگLjڍධీࠕ༵ࠃڦኝ༹
Ⴀీࢅܠݿᄣీࠀڦă130 MHzڦ−3 dBߛࢅټუӦ୲
๑ኄၵٷݣഗݥࢇႹܠཚᆩߛᆌᆩă
4. ၭ႑ࡽೕ୲ၚᆌ
Rev. I
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2004–2010 Analog Devices, Inc. All rights reserved.
ADIዐ࿔Ӳຕ֩ᆈ࿔Ӳຕ֩ڦᅳ࿔Lj൩ଌᅳዐీ٪ሞڦᇕჾፇኯईᅳٱဃLjADIփܔᅳዐ٪ሞֶڦᅴईᆯׂُิٱڦဃሴăසႴඓණඪࢆَᇕڦጚඓႠLj൩֖ADI༵ࠃ
ڦፌႎᆈ࿔Ӳຕ֩ă
ADA4851-1/ADA4851-2/ADA4851-4
ణ
༬Ⴀ ................................................................................................... 1
ᆌᆩ ................................................................................................... 1
ᆅগದዃ ........................................................................................... 1
߁ຎ ................................................................................................... 1
Ⴊ۩૦๏ ........................................................................................... 2
रຍࡀ߭ ........................................................................................... 3
! ֑ᆩ+3 Vۉᇸ้ڦरຍࡀ߭ ............................................... 3
! ֑ᆩ+5 Vۉᇸ้ڦरຍࡀ߭ ............................................... 5
! ֑ᆩ±5 Vۉᇸ้ڦरຍࡀ߭ ............................................... 7
ਨܔፌۨܮٷኵ ............................................................................. 9
! ඤፆ ........................................................................................... 9
ESDয়ߢ ................................................................................... 9
ۆ႙߾ፕ༬Ⴀ ................................................................................ 10
ۉୟ௮ຎ ........................................................................................ 16
! ᇧଉ୯ᅺ໎ ....................................................................... 16
! ࡗሜႜྺࢅ࣬ް้क़ .......................................................... 17
! ۉڇᇸೕٷݣഗ .............................................................. 18
! ೕዘࠓ୳հഗ ................................................................... 18
ྔႚ٫ ........................................................................................ 19
! ۩ࠔኸళ ................................................................................ 20
! ഛכᆌᆩपׂ ................................................................... 20
Ⴊ۩૦๏
20105ሆ—Ⴊ۩ӲHႪ۩ӲI
߸߀࠲ೋዃ֖ୁۉຕ)2* ....................................................... 3
ᅎۯഛכᆌᆩपׂև ݴ.......................................................... 20
20104ሆ—Ⴊ۩ӲGႪ۩ӲH
ሺेഛכᆌᆩपׂ႑တ ..................................................... ཚೊ
߸߀13 .................................................................................. 3
߸ႎྔႚ٫ ................................................................................ 19
߸߀۩ࠔኸళ ................................................................................ 20
20099ሆ—Ⴊ۩ӲFႪ۩ӲG
ᅎۯഛכᆌᆩपׂև ݴ.......................................................... 18
߸ႎྔႚ٫ ................................................................................ 19
20095ሆ—Ⴊ۩ӲEႪ۩ӲF
߸߀༬ႠĂᆌᆩࢅ߁ຎև ݴ........................................................ 1
߸߀1 ............................................................................................. 3
߸߀2 ............................................................................................. 5
߸߀3 ............................................................................................. 7
߸߀27ࢅ28 ............................................................................ 13
߸߀47Ljሺेഛכᆌᆩपׂև ݴ........................................ 18
߸ႎྔႚ٫ ................................................................................ 19
߸߀۩ࠔኸళ ................................................................................ 20
20078ሆ—Ⴊ۩ӲDႪ۩ӲE
߸߀ᆌᆩև ݴ.................................................................................. 1
߸߀ࠌఇᅞԲࢅཉॲ ................................................................ 5
߸߀ᇧଉ୯ᅺ໎և ݴ.............................................................. 13
20064ሆ—Ⴊ۩ӲCႪ۩ӲD
ሺेೕዘࠓ୳հഗև ݴ.......................................................... 15
20055ሆ—Ⴊ۩ӲBႪ۩ӲC
߸߀߁ຎ ........................................................................................... 1
߸߀և ݴ................................................................................ 14
20054ሆ—Ⴊ۩ӲAႪ۩ӲB
ሺेADA4851-2Ljሺे8ᆅগMSOP .................................... ཚೊ
߸߀༬Ⴀև ݴ.................................................................................. 1
߸߀߁ຎ ........................................................................................... 1
߸߀1 ............................................................................................. 3
߸߀2 ............................................................................................. 4
߸߀3 ............................................................................................. 5
߸߀4ࢅ5 .................................................................................. 6
߸߀12Ă15ࢅ17 ................................................................. 8
߸߀18 ........................................................................................... 9
߸߀28ڦՔ༶ ............................................................................ 10
߸߀33 ......................................................................................... 11
߸߀36ࢅ38Ljሺे39 ...................................................... 12
߸߀ۉୟ௮ຎև ݴ....................................................................... 13
߸߀ᇧଉ୯ᅺ໎և ݴ.............................................................. 13
߸߀ࡗሜႜྺࢅ࣬ް้क़և ݴ................................................. 14
ሺेۉڇᇸೕٷݣഗև ݴ..................................................... 15
߸ႎྔႚ٫ ................................................................................ 16
߸߀۩ࠔኸళ ................................................................................ 17
20051ሆ—Ⴊ۩Ӳ0Ⴊ۩ӲA
ሺेADA4851-4 ....................................................................... ཚೊ
ሺे14ᆅগTSSOP ................................................................... ཚೊ
߸߀༬Ⴀև ݴ.................................................................................. 1
߸߀߁ຎ ........................................................................................... 1
߸߀3 ............................................................................................. 1
߸߀रຍࡀ߭ .................................................................................. 3
߸߀4 ............................................................................................. 6
߸߀8 ............................................................................................. 7
߸߀11 ........................................................................................... 8
߸߀22 ........................................................................................... 9
߸߀23Ă24ࢅ25 ............................................................... 10
߸߀27ࢅ28 ............................................................................ 10
߸߀29Ă30ࢅ31 ............................................................... 11
߸߀34 ......................................................................................... 11
ሺे37 ......................................................................................... 12
߸߀۩ࠔኸళ ................................................................................ 15
߸ႎྔႚ٫ ................................................................................ 15
200410ሆ—Ⴊ۩Ӳ0ǖ؛๔Ӳ
Rev. I | Page 2 of 20
ADA4851-1/ADA4851-2/ADA4851-4
रຍࡀ߭
֑ᆩ+3 Vۉᇸ้ڦरຍࡀ߭
ݥأଷᆶຫLjTA = 25°CLjRF = 0 Ω (G = +1)LjRF = 1 kΩ (G > +1)LjRL = 1 kΩă
1.
֖ຕ
ۯༀႠీ
-3 dBټ
0.1 dBೝ།ټ܈
უӦ୲
0.1%ॺ૬้क़
ሯำ/฿ኈႠీ
ၿհ฿ኈLjHD2/HD3
ۉუሯำ
ୁۉሯำ
ֶݴሺᅮ
ֶݴ၎࿋
زඡ(RTI)—ADA4851-2/ADA4851-4
ୁႠీ
฿ۙۉუ
ཉॲ0ጀ
ፌၭኵ
ۆ႙ኵ
G = +1, VOUT = 0.1 V ރރኵ
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
G = +1, VOUT = 0.5 V ރރኵ
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
G = +2, VOUT = 1 V ރރኵ, R L = 150 Ω
G = +2, VOUT = 1 V ރރኵ, R L = 150 Ω
G = +2, VOUT = 1 V օ
G = +2, VOUT = 1 V օ, R L = 150 Ω
104
95
80
72
130
fC = 1 MHz, VOUT = 1 V ރރኵ, G = −1
f = 100 kHz
f = 100 kHz
G = +3, NTSC, RL = 150 Ω, VOUT = 2 V ރރኵ
G = +3, NTSC, RL = 150 Ω, VOUT = 2 V ރރኵ
f = 5 MHz, G = +2, VOUT = 1.0 V ރރኵ
40
15
100
50
−73/−79
10
2.5
0.44
0.41
−70/−60
dBc
nV/√Hz
pA/√Hz
%
܈
dB
105
0.6
4
2.3
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
ೋዃୁۉᅎ
ೋዃ฿ۙୁۉ
ਸ࣍ሺᅮ
༬Ⴀ
ۉፆ
ۉඹ
ࠌఇۉუྷݔ
ࡗൻ࣬ް้क़(ฉื/ူই)
ࠌఇᅞԲ
࠲—ৈ၌ADA4851-1
࠲ۉუ
࠲Կ้क़
ਸഔ้क़
࠲ೋዃୁۉ
๑ీ
࠲
VOUT = 0.25 V 0.75 V
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
ৈ၌ADA4851-1WǖTMINTMAX
80
78
75
ֶݴ/ࠌఇ
ڇ࿋
MHz
MHz
MHz
MHz
MHz
MHz
V/μs
ns
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
฿ۙۉუᅎ
ೋዃୁۉ
ፌٷኵ
3.3
7.3
4.0
5.0
6
20
105
mV
mV
μV/°C
μA
μA
nA/°C
nA
dB
dB
0.5/5.0
1.2
−0.2 +0.8
60/60
−103
MΩ
pF
V
ns
dB
dB
࠲
ฉۉ
1.6
0.7
60
V
V
μs
ns
POWER DOWN = 3 V
ৈ၌ADA4851-1WǖTMINTMAX
POWER DOWN = 0 V
ৈ၌ADA4851-1WǖTMINTMAX
4
VIN = +3.5 V, −0.5 V, G = +1
VCM = 0 V 0.5 V
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
Rev. I | Page 3 of 20
−81
−65
−14
10
10
−20
−20
μA
μA
μA
μA
ADA4851-1/ADA4851-2/ADA4851-4
֖ຕ
༬Ⴀ
ࡗൻ࣬ް้क़)ฉื0ူই*
ۉუӦޗ
!
܌ୟୁۉ
ۉᇸ
߾ፕྷݔ
߲ٷݣഗৢڦༀୁۉ
!
ৢༀ*࠲)ୁۉ
!
ኟۉᇸᅞ
!
ۉᇸᅞ
ཉॲ0ጀ
ፌၭኵ
VIN = +0.7 V, −0.1 V, G = +5
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
ဌୁۉ0ᇸୁۉ
0.05 2.91
0.06 2.89
ۆ႙ኵ
70/100
0.03 2.94
2.4
Rev. I | Page 4 of 20
ns
V
V
mA
90/70
2.7
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
POWER DOWN = گ
ৈ၌ADA4851-1WǖTMINTMAX
+VS = +2.5 V +3.5 V, −VS = −0.5 V
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
+VS = +2.5 V, −VS = −0.5 V –1.5 V
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
ፌٷኵ ڇ࿋
0.2
−81
−81
−80
−80
−100
−100
12
2.7
2.7
0.3
0.3
V
mA
mA
mA
mA
dB
dB
dB
dB
ADA4851-1/ADA4851-2/ADA4851-4
֑ᆩ+5 Vۉᇸ้ڦरຍࡀ߭
ݥأଷᆶຫLjTA = 25°CLjRF = 0 Ω (G = +1)LjRF = 1 kΩ (G > +1)LjRL = 1 kΩă
2.
֖ຕ
ۯༀႠీ
−3 dB ټ
0.1 dBೝ།ټ܈
უӦ୲
0.1%ॺ૬้क़
ሯำ/฿ኈႠీ
ၿհ฿ኈLjHD2/HD3
ۉუሯำ
ୁۉሯำ
ֶݴሺᅮ
ֶݴ၎࿋
زඡ(RTI)—ADA4851-2/ADA4851-4
ୁႠీ
฿ۙۉუ
ཉॲ
ፌၭኵ
ۆ႙ኵ
G = +1, VOUT = 0.1 V ރރኵ
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
G = +1, VOUT = 0.5 V ރރኵ
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
G = +2, VOUT = 1.4 V ރރኵ, R L = 150 Ω
G = +2, VOUT = 1.4 V ރރኵ, R L = 150 Ω
G = +2, VOUT = 2 V օ
G = +2, VOUT = 2 V օ, RL = 150 Ω
96
90
72
64
125
fC = 1 MHz, VOUT = 2 V ރރኵ, G = +1
f = 100 kHz
f = 100 kHz
G = +2, NTSC, RL = 150 Ω, VOUT = 2 V ރރኵ
G = +2, NTSC, RL = 150 Ω, VOUT = 2 V ރރኵ
f = 5 MHz, G = +2, VOUT = 2.0 V ރރኵ
35
11
200
55
MHz
MHz
MHz
MHz
MHz
MHz
V/μs
ns
−80/−100
10
2.5
0.08
0.11
−70/−60
dBc
nV/√Hz
pA/√Hz
%
܈
dB
96
0.6
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
฿ۙۉუᅎ
ೋዃୁۉ
4
2.2
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
ೋዃୁۉᅎ
ೋዃ฿ۙୁۉ
ਸ࣍ሺᅮ
༬Ⴀ
ۉፆ
ۉඹ
ࠌఇۉუྷݔ
ࡗൻ࣬ް้क़)ฉื/ူইDž
ࠌఇᅞԲ
࠲—ৈ၌ADA4851-1
࠲ۉუ
࠲Կ้क़
ਸഔ้क़
࠲ೋዃୁۉ
๑ీ
࠲
༬Ⴀ
ࡗൻ࣬ް้क़)ฉื/ူই*
ۉუӦޗ
܌ୟୁۉ
VOUT = 1 V 4 V
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
97
90
ֶݴ/ࠌఇ
ፌٷኵ ڇ࿋
3.4
7.4
3.9
4.9
6
20
107
mV
mV
μV/°C
μA
μA
nA/°C
nA
dB
dB
0.5/5.0
1.2
−0.2 +2.8
50/45
−105
MΩ
pF
V
ns
dB
dB
࠲
ฉۉ
1.6
0.7
50
V
V
μs
ns
POWER DOWN = 5 V
ৈ၌ADA4851-1WǖTMINTMAX
POWER DOWN = 0 V
ৈ၌ADA4851-1WǖTMINTMAX
33
VIN = +5.5 V, −0.5 V, G = +1
VCM = 0 V 2 V
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
−86
−80
−22
VIN = +1.1 V, −0.1 V, G = +5
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
ဌୁۉ/ᇸୁۉ
Rev. I | Page 5 of 20
0.09 4.91
0.11 4.89
60/70
0.06 4.94
110/90
40
40
−30
−30
μA
μA
μA
μA
ns
V
V
mA
ADA4851-1/ADA4851-2/ADA4851-4
֖ຕ
电源
工作范围
每个放大器的静态电流
静态电流(关断)
正电源抑制
负电源抑制
ཉॲ
ፌၭኵ
ۆ႙ኵ
2.7
2.5
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
POWER DOWN = گ
ৈ၌ADA4851-1WǖTMINTMAX
+VS = +5 V +6 V, −VS = 0 V
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
+VS = +5 V, −VS = −0 V −1 V
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
Rev. I | Page 6 of 20
0.2
−82
−82
−81
−81
−101
−101
ፌٷኵ
ڇ࿋
12
2.8
2.8
0.3
0.3
V
mA
mA
mA
mA
dB
dB
dB
dB
ADA4851-1/ADA4851-2/ADA4851-4
֑ᆩ+5 Vۉᇸ้ڦरຍࡀ߭
ݥأଷᆶຫLjTA = 25°CLjRF = 0 Ω (G = +1)LjRF = 1 kΩ (G > +1)LjRL = 1 kΩă
3.
֖ຕ
ۯༀႠీ
-3 dBټ
0.1 dBೝ།ټ܈
უӦ୲
0.1%ॺ૬้क़
ሯำ/฿ኈႠీ
ၿհ฿ኈLjHD2/HD3
ۉუሯำ
ୁۉሯำ
ֶݴሺᅮ
ֶݴ၎࿋
زඡ(RTI)—ADA4851-2/ADA4851-4
ୁႠీ
฿ۙۉუ
ཉॲ
ፌၭኵ
ۆ႙ኵ
G = +1, VOUT = 0.1 V ރރኵ
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
G = +1, VOUT = 1 V ރރኵ
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
G = +2, VOUT = 2 V ރރኵ, R L = 150 Ω
G = +2, VOUT = 2 V ރރኵ, R L = 150 Ω
G = +2, VOUT = 7 V օ
G = +2, VOUT = 2 V օ
G = +2, VOUT = 2 V օ, R L = 150 Ω
83
75
52
42
105
fC = 1 MHz, VOUT = 2 V ރރኵ, G = +1
f = 100 kHz
f = 100 kHz
G = +2, NTSC, RL = 150 Ω, VOUT = 2 V ރރኵ
G = +2, NTSC, RL = 150 Ω, VOUT = 2 V ރރኵ
f = 5 MHz, G = +2, VOUT = 2.0 V ރރኵ
40
11
375
190
55
−83/−107
10
2.5
0.08
0.09
−70/−60
dBc
nV/√Hz
pA/√Hz
%
܈
dB
74
0.6
4
2.2
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
ೋዃୁۉᅎ
ೋዃ฿ۙୁۉ
ਸ࣍ሺᅮ
༬Ⴀ
ۉፆ
ۉඹ
ࠌఇۉუྷݔ
ࡗൻ࣬ް้क़DŽฉื/ူইDž
ࠌఇᅞԲ
࠲—ৈ၌ADA4851-1
࠲ۉუ
࠲Կ้क़
ਸഔ้क़
࠲ೋዃୁۉ
๑ీ
࠲
VOUT = ±2.5 V
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
99
90
ֶݴ/ࠌఇ
ڇ࿋
MHz
MHz
MHz
MHz
MHz
MHz
V/μs
V/μs
ns
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
฿ۙۉუᅎ
ೋዃୁۉ
ፌٷኵ
3.5
7.5
4.0
4.5
6
20
106
mV
mV
μV/°C
μA
μA
nA/°C
nA
dB
dB
0.5/5.0
1.2
−5.2 +2.8
50/25
−105
MΩ
pF
V
ns
dB
dB
࠲
ฉۉ
< −3.9
> −3.4
0.7
30
V
V
μs
ns
POWER DOWN = +5 V
ৈ၌ADA4851-1WǖTMINTMAX
POWER DOWN = −5 V
ৈ၌ADA4851-1WǖTMINTMAX
100
VIN = ±6 V, G = +1
VCM = 0 V −4 V
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
Rev. I | Page 7 of 20
−90
−86
−50
130
130
−60
−60
μA
μA
μA
μA
ADA4851-1/ADA4851-2/ADA4851-4
֖ຕ
༬Ⴀ
ࡗൻ࣬ް้क़DŽฉื0ူইDž
ۉუӦޗ
!
܌ୟୁۉ
ۉᇸ
߾ፕྷݔ
߲ٷݣഗৢڦༀୁۉ
!
ৢༀୁۉDŽ࠲Dž
!
ኟۉᇸᅞ
!
ۉᇸᅞ
ཉॲ
ፌၭኵ
VIN = ±1.2 V, G = +5
80/50
−4.87 +4.88 −4.92 +4.92
−4.85 +4.85
125/110
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
ဌୁۉ/ᇸୁۉ
ۆ႙ኵ
2.7
2.9
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
POWER DOWN = گ
ৈ၌ADA4851-1WǖTMINTMAX
+VS = +5 V +6 V, −VS = −5 V
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
+VS = +5 V, −VS = −5 V −6 V
ৈ၌ADA4851-1W/2W/4WǖTMINTMAX
Rev. I | Page 8 of 20
0.2
−82
−82
−81
−81
−101
−102
ፌٷኵ
ڇ࿋
ns
V
V
mA
12
3.2
3.2
0.325
0.325
V
mA
mA
mA
mA
dB
dB
dB
dB
ADA4851-1/ADA4851-2/ADA4851-4
ਨܔፌۨܮٷኵ
PD = ৢༀࠀࡼ + (ጺൻ ࡼࠀۯ− ሜࠀࡼ)
4.
֖ຕ
ۉᇸۉუ
ࠀࡼ
ࠌఇۉუ
ֶݴۉუ
٪ئ࿒ྷݔ܈
߾ፕ࿒ྷݔ܈
ᆅগ࿒܈
࿒
ۨܮኵ
12.6 V
९5
−VS − 0.5 V +VS + 0.5 V
+VS −VS
−65°C +125°C
−40°C +125°C
JEDEC J-STD-20
150°C
PD
·
§
VS u I S ¨¨ VS u VOUT ¸¸ VOUT
© 2
RL ¹
2
RL
ᆌ୯RMSۉუăසࡕRLᅜ−VS֖Ljසۉڇᇸࠃۉ
้LjጺൻྺࡼࠀۯVS × IOUTăසࡕߵݛ႑ࡽۉೝփඓ
ۨڦLjሶ୯ፌֶ൧LjनVOUT = VS/4ࢅRLDŽথዐक़ۉᇸ
ۉუDžă
PD
VS u I S VS / 4
2
RL
ጀᅪLjגฉຎਨܔፌۨܮٷኵీࣷڞዂഗॲᆦ৳Ⴀ
࣋ăኄኻۨܮፌኵLjփภतഗॲሞኄၵईඪࢆഄཉॲ
ۉڇᇸࠃۉRLᅜ−VSྺ้֖Ljፌֶ൧ྺVOUT = VS/2ă
ူגԨरຍࡀ߭ኸՔీࠀڦႠ֡ፕăሞਨܔፌܮٷ
ഘୁሺഽොඤLjܸٗᆶၳইگθJAăُྔLj߸ূܠຌথ
ۨኵཉॲူ߾ፕࣷᆖၚഗॲڦ੍Ⴀă
ᇑഗॲူހڦጎᆅগࢅཚথةLjኄཞᄣইگθJAă
ඤፆ
5၂๖ሞJEDECՔጚ4֫ӱฉLj6ᆅগSOT-23 (170°C/W)Ă
θJAኍܔፌֶཉॲLjनഗॲࡰথሞۉୟӱฉᅜํ၄ཌྷހ
8ᆅগMSOP (150°C/W)ࢅ14ᆅগTSSOP (120°C/W)ෙዖހጎ
ጎă
ڦፌٷҾඇࠀࡼᇑ࣍ৣ࿒࠲ڦ܈ဣăθJAኵྺৎຼኵă
5.ඤፆ
2.0
ڇ࿋
°C/W
°C/W
°C/W
ፌࡼࠀٷ
ADA4851-1/ADA4851-2/ADA4851-4ڦፌٷҾඇࠀࡼ၌ᇀ
၎ᆌڦႊೌ࿒)T J *ߛืڦ൧ăڟٳի૱ࣅገՎ࿒܈
150°Cፑᆸ้Lj໒ଙڦ༬Ⴀࣷ݀ิ߀Վăन๑ኻሡ้ג
ࡗኄᅃ࿒܈၌ኵᄺᆶీ߀Վހጎܔႊೌፕᆩڦᆌ૰Ljٗ
ܸᆦ৳ႠںገՎٷݣഗ֖ڦຕႠీă้क़ࡗג150°Cڦ
TSSOP
1.5
MSOP
1.0
SOT-23-6
0.5
0
–55 –45 –35 –25 –15 –5
࿒ࣷڞዂႊೌഗॲ၄ՎࣅLjᅺܸీሰׯႠీူইई
5
15 25 35 45 55 65 75 85 95 105 115 125
AMBIENT TEMPERATURE (qC)
ࠀీෟ฿ă
05143-057
θJA
170
150
120
MAXIMUM POWER DISSIPATION (W)
ހጎૌ႙
6ᆅগ SOT-23
8ᆅগ MSOP
14ᆅগ TSSOP
5. 4֫ӱፌࡼࠀٷᇑ࿒࠲ڦ܈ဣ
ހጎ(ࡼࠀڦPD)ྺৢༀࠀࡼᇑႊೌዐٷݣഗڦ܋ൻۯ
ڞዂࡼࠀڦኮࢅLjܸৢༀࠀࡼሶྺۉᇸᆅগኮक़ۉڦუ
ESDয়ߢ
(VS)ױᅜৢༀ(ୁۉIS)ă
ESDDŽৢۉݣۉDž௺ߌഗॲă
ۉټഗॲࢅۉୟӱీࣷሞுᆶִਥڦ൧ူۉݣă
࠶Ԩׂਏᆶጆ૧ईጆᆶԍࢺۉୟLjڍሞᇜీߛڟଉ
FTE้Ljഗॲీࣷ࣋ăᅺُLjᆌ֑ړൽڦړFTE
ٯݔݞแLjᅜՆ௨ഗॲႠీူইईࠀీෟ฿ă
Rev. I | Page 9 of 20
ADA4851-1/ADA4851-2/ADA4851-4
ۆ႙߾ፕ༬Ⴀ
ݥأଷᆶຫLjTA = 25°CLjRF = 0 Ω (G = +1)LjRF = 1 kΩ (G > +1)LjRL = 1 kΩ
1
0
2
G = –1
–1
–2
–3
G = +10
–4
G = +2
–5
10pF
G = +1
VS = 5V
RL = 1k:
VOUT = 0.1V p-p
3
CLOSED-LOOP GAIN (dB)
CLOSED-LOOP GAIN (dB)
4
VS = r5V
RL = 150:
VOUT = 0.1V p-p
1
0
5pF
–1
0pF
–2
–3
–4
–6
–5
100
FREQUENCY (MHz)
–6
1
10
100
9. փཞඹႠሜူڦၭ႑ࡽೕ୲ၚᆌ
1
1
+125qC
RL = 150:
0
0
VS = r5V
G = +1
VOUT = 0.1V p-p
–1
CLOSED-LOOP GAIN (dB)
RL = 1k:
–2
–3
–4
+85qC
VS = r5V
G = +1
VOUT = 0.1V p-p
–1
–40qC
+25qC
–2
–3
–4
–5
–5
1
10
100
300
FREQUENCY (MHz)
–6
05143-009
–6
1
10
100
FREQUENCY (MHz)
8/!փཞሜူڦၭ႑ࡽೕ୲ၚᆌ
10. փཞ࿒ڦူ܈ၭ႑ࡽೕ୲ၚᆌ
1
2
G = +1
RL = 150:
VOUT = 0.1V p-p
1
VS = +5V
CLOSED-LOOP GAIN (dB)
0
–1
VS = r5V
RL = 150:
VOUT = 1V p-p
0
VS = r5V
–2
–3
–4
–1
–2
–3
–4
G = +2
G = +10
–5
G = –1
–5
–6
1
10
100
FREQUENCY (MHz)
300
05143-007
–6
–7
1
10
FREQUENCY (MHz)
11. փཞሺᅮူٷڦ႑ࡽೕ୲ၚᆌ
8. փཞۉᇸူڦၭ႑ࡽೕ୲ၚᆌ
Rev. I | Page 10 of 20
100
05143-012
CLOSED-LOOP GAIN (dB)
300
FREQUENCY (MHz)
6. փཞሺᅮူڦၭ႑ࡽೕ୲ၚᆌ
CLOSED-LOOP GAIN (dB)
300
05143-010
10
05143-008
1
05143-006
–7
ADA4851-1/ADA4851-2/ADA4851-4
–40
6.2
VS = ±5V
G = +2
RL = 150Ω
RF = 1kΩ
6.0
5.9
VOUT = 100mV p-p
5.8
VOUT = 1V p-p
VOUT = 2V p-p
5.7
G = –1
VS = 3V
RL = 150Ω
VOUT = 2V
–50
HARMONIC DISTORTION (dBc)
CLOSED-LOOP GAIN (dB)
6.1
5.6
HD2
–60
–70
–80
HD3
–90
–100
10
100
FREQUENCY (MHz)
–110
0.1
1
15. ၿհ฿ኈᇑೕ୲࠲ڦဣ
–50
1
VS = ±5V
G = +1
VOUT = 1V p-p
G = +2
VS = ±5V
RL = 1kΩ
f = 2MHz
–60
HARMONIC DISTORTION (dBc)
0
–1
RL = 1kΩ
–2
RL = 150Ω
–3
–4
HD2
–70
–80
HD3
–90
–100
–110
–5
1
10
100
300
FREQUENCY (MHz)
–120
05143-015
–6
0
0
–40
–30
–50
–90
–120
60
–150
40
GAIN
20
–180
0
–210
–20
10
100
1k
10k
100k
1M
10M
100M
FREQUENCY (Hz)
–240
1G
HARMONIC DISTORTION (dBc)
80
4
5
6
7
8
9
G = +1
VOUT = 2V p-p
VS = ±5V
–60
RL = 1kΩ HD2
–70
–80
RL = 150Ω HD2
RL = 150Ω HD3
–90
RL = 1kΩ HD3
–100
05143-029
–60
OPEN-LOOP PHASE (Degrees)
VS = ±5V
PHASE
3
16. ၿհ฿ኈᇑ࠲ڦ܈ޗဣ
140
100
2
OUTPUT AMPLITUDE (V p-p)
13. փཞሜူٷڦ႑ࡽೕ୲ၚᆌ
120
1
–110
0.1
1
FREQUENCY (MHz)
17. փཞሜူၿհ฿ኈᇑೕ୲࠲ڦဣ
14. ਸ࣍ሺᅮࢅ၎࿋ᇑೕ୲࠲ڦဣ
Rev. I | Page 11 of 20
10
05143-016
CLOSED-LOOP GAIN (dB)
10
FREQUENCY (MHz)
12. փཞڦူ܈ޗ0.1 dBೝ།܈ၚᆌ
OPEN-LOOP GAIN (dB)
10
05143-014
1
05143-021
5.4
0.1
05143-017
5.5
ADA4851-1/ADA4851-2/ADA4851-4
–60
RL = 1kΩ HD2
–70
–80
RL = 150Ω HD2
RL = 150Ω HD3
–90
–100
–110
0.1
1
10
FREQUENCY (MHz)
0.050
2.550
0.025
2.525
0
2.500
2.475
–0.025
VS = ±5V
VS = +5V
2.450
–0.050
0
50
2.575
G = +5
VS = ±5V
RL = 150Ω
f = 1MHz
OUTPUT
4
150
TIME (ns)
6
10pF
G = +1
VS = 5V
RL = 150Ω
2.550
0pF
5 × INPUT
3
OUTPUT VOLTAGE (V)
INPUT AND OUTPUT VOLTAGE (V)
100
21. փཞۉᇸူڦၭ႑ࡽຨༀၚᆌ
18. փཞሜူၿհ฿ኈᇑೕ୲࠲ڦဣ
5
2.425
200
–0.075
05143-013
RL = 1kΩ HD3
G = +1 OR +2
RL = 1kΩ
OUTPUT VOLTAGE FOR 5V SUPPLY (V)
OUTPUT VOLTAGE FOR ±5V SUPPLY (V)
–50
HARMONIC DISTORTION (dBc)
2.575
0.075
G = +1
VOUT = 2V p-p
VS = 5V
05143-024
–40
2
1
0
–1
–2
2.525
2.500
2.475
–3
2.450
–4
200
300
400
500
600
700
800
900
1k
TIME (ns)
2.425
0
OUTPUT VOLTAGE FOR ±5V SUPPLY (V)
OUTPUT
1
0
–1
–2
–3
–4
–5
–6
0
100
200
300
400
500
600
700
TIME (ns)
800
900
1k
05143-022
INPUT AND OUTPUT VOLTAGE (V)
3
2
80
100
120
140
160
1.5
G = +1
VS = ±5V
RL = 150Ω
f = 1MHz
4
60
180
200
22. փཞඹႠሜူڦၭ႑ࡽຨༀၚᆌ
6
INPUT
40
TIME (ns)
19. ࡗൻ࣬ް
5
20
20. ࡗൻ࣬ް
3.0
G = +2
RL = 150Ω
1.0
2.5
VS = ±5V
VS = +5V
0.5
2.0
0
1.5
–0.5
1.0
–1.0
0.5
–1.5
0
50
100
150
TIME (ns)
23. փཞۉᇸူٷڦ႑ࡽຨༀၚᆌ
Rev. I | Page 12 of 20
0
200
OUTPUT VOLTAGE FOR 5V SUPPLY (V)
100
05143-028
0
05143-019
–6
05143-026
–5
ADA4851-1/ADA4851-2/ADA4851-4
6
3.0
VS = +5V
2.0
0
1.5
–0.5
1.0
–1.0
0.5
–1.5
50
100
0
200
150
TIME (ns)
4
3
2
1
0
VOUT
–1
0
15
3.5
0.5
3.0
+VS – VOUT
VS = ±5V
SUPPLY CURRENT (mA)
0.4
VS = ±5V
VS = +3V
0.3
–VS – VOUT
0.2
2.5
VS = +5V
2.0
VS = +3V
1.5
1.0
0.1
0
0
5
10
15
20
25
30
35
LOAD CURRENT (mA)
0
–5
–1
0
1
2
3
4
5
300
INPUT OFFSET VOLTAGE (μV)
200
NEGATIVE SLEW RATE
400
–2
28. ADA4851-1ۉᇸୁۉᇑPOWER DOWNᆅগۉუ࠲ڦဣ
G = +2
VS = ±5V
RL = 1kΩ
25% TO 75% OF VOUT
500
–3
POWER DOWN VOLTAGE (V)
25. ԏࢅۉუᇑሜ࠲ڦୁۉဣ
600
–4
05143-034
0.5
05143-049
300
POSITIVE SLEW RATE
200
100
VS = +3V
100
VS = ±5V
0
VS = +5V
–100
–200
0
0
1
2
3
4
5
6
7
8
OUTPUT VOLTAGE STEP (V p-p)
9
10
05143-032
–300
–400
–40
–25
–10
5
20
35
50
65
80
95
110
TEMPERATURE (°C)
29. փཞۉᇸူ฿ۙۉუᇑ࿒࠲ڦ܈ဣ
26. უӦ୲ᇑۉუօ࠲ڦဣ
Rev. I | Page 13 of 20
125
05143-035
DC VOLTAGE DIFFERENTIAL FROM VS (V)
45
27. ADA4851-1ฉۉ/࠲้क़
24. փཞۉᇸူٷڦ႑ࡽຨༀၚᆌ
SLEW RATE (V/μs)
30
TIME (μs)
05143-033
VS = ±5V
0.5
5
VOLTAGE (V)
2.5
OUTPUT VOLTAGE FOR 5V SUPPLY (V)
1.0
0
G = +2
VS = 5V
fIN = 400kHz
VPOWER DOWN
G = +1
RL = 150Ω
05143-027
OUTPUT VOLTAGE FOR ±5V SUPPLY (V)
1.5
ADA4851-1/ADA4851-2/ADA4851-4
2.2
1000
G = +1
VOLTAGE NOISE (nV/ Hz)
INPUT BIAS CURRENT (μA)
2.0
IB+, VS = ±5V
1.8
IB–, VS = ±5V
IB+, VS = +5V
1.6
IB–, VS = +5V
100
10
5
20
35
50
65
80
95
110
125
TEMPERATURE (°C)
1
10
100
100k
1M
10M
100M
10M
100M
4
33. ۉუሯำᇑೕ୲࠲ڦဣ
0.09
100
G = +2
VS = ±5V
CURRENT NOISE (pA/ Hz)
0.08
+VS – VOUT
VS = +5V
0.07
+VS – VOUT
–VS – VOUT
0.06
10
0.05
–VS – VOUT
0.04
–40
–25
–10
5
20
35
50
65
80
95
110
125
TEMPERATURE (°C)
1
05143-037
DC VOLTAGE DIFFERENTIAL FROM VS (V)
10k
FREQUENCY (Hz)
30. փཞۉᇸူೋዃୁۉᇑ࿒࠲ڦ܈ဣ
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
31. փཞۉᇸူԏࢅᇑ࿒࠲ڦ܈ဣ
34. ୁۉሯำᇑೕ୲࠲ڦဣ
80
3.2
VS = ±5V
VS = ±5V
N = 420
x = –260μV
σ = 780μV
70
3.0
60
2.8
COUNT
50
VS = +5V
2.6
40
30
2.4
VS = +3V
20
2.2
2.0
–40
10
0
–25
–10
5
20
35
50
65
80
95
110
TEMPERATURE (°C)
125
05143-038
SUPPLY CURRENT (mA)
1k
05143-045
–10
05143-047
–25
05143-036
1.2
–40
05143-044
1.4
32. փཞۉᇸူۉᇸୁۉᇑ࿒࠲ڦ܈ဣ
–4
–3
–2
–1
0
1
2
VOS (mV)
35. ฿ۙۉუݴք
Rev. I | Page 14 of 20
3
ADA4851-1/ADA4851-2/ADA4851-4
0
–30
VS = ±5V
G = +2
VS = 5V
RL = 1kΩ
VIN = 1V p-p
–10
–20
–50
DRIVE AMPS 1, 2, AND 4
LISTEN AMP 3
–30
–60
CROSSTALK (dB)
–70
–80
–90
–40
–50
–60
DRIVE AMP 1
LISTEN AMP 2
–70
–100
–80
–110
1k
10k
100k
1M
10M
100M
1G
FREQUENCY (Hz)
05143-020
–120
1
0
0
–10
–20
–30
G = +2
VS = 5V
RL = 1kΩ
VIN = 1V p-p
CROSSTALK (dB)
–30
–40
+PSR
–50
–60
–PSR
–70
–40
–50
–60
–80
–70
–90
–80
–100
–90
1k
10k
100k
1M
10M
100M
FREQUENCY (Hz)
1G
05143-023
POWER SUPPLY REJECTION (dB)
VS = ±5V
–20
–110
100
100
38. ADA4851-4 RTIزඡᇑೕ୲࠲ڦဣ
36. ࠌఇᅞԲ(CMRR)ᇑೕ୲࠲ڦဣ
–10
10
FREQUENCY (MHz)
05143-055
–90
–100
0.1
–100
0.1
DRIVE AMP 1
LISTEN AMP 2
DRIVE AMP 2
LISTEN AMP 1
1
10
100
FREQUENCY (MHz)
39. ADA4851-2 RTIزඡᇑೕ୲࠲ڦဣ
37. ۉᇸᅞ(PSR)ᇑೕ୲࠲ڦဣ
Rev. I | Page 15 of 20
05143-060
COMMON-MODE REJECTION (dB)
–40
ADA4851-1/ADA4851-2/ADA4851-4
ۉୟ௮ຎ
440
BEB5962.20BEB5962.30BEB5962.5ਏᆶߛუӦ୲
460
ူڦ႑ࡽăൻۯၭሜ้Ljࡆࡆڟपઙඪᅃࠃۉ
480
ࡆڦ71!nWాྷݔLjܸൻۯ261!ˮ้Ljሶઙ1/28!Wݔ
500
ྷాăन๑ۉᇸۉუگ3/8!WLjධྼߛႠీă
ᇧଉ୯ᅺ໎
VOS (PV)
ڦपLjኈۉڇᇸྊ೫ࠓLjీࠕॠ֪ࠃࡆۉईᅜ
520
540
ኄၵٷݣഗยऺᆩᇀگუဣཥᄲइڥፌॅႠీLj൩କ
560
ࢅ႑ࡽڟٳᇧଉ၌้ٷݣഗڦ၄Ljኄၵݣ
580
ٷഗڦࠌఇۉუۉྺྷݔᇸۉუ)ํाฉԲۉᇸگ
–5
–4
–3
–2
–1
0
1
2
4
05143-046
–6
ాྷݔᅺُLjሞሺᅮྺ3้Ljन๑ۉᇸۉუگ3.3VLj
1000
05143-050
600
200 mV*ǗܔᇀۉڇᇸࠃۉLjሶྺۉںუኟۉᇸۉუ2.2 V
3
VCM (V)
40.VOS ᇑࠌఇۉუ࠲ڦဣLjVS = ±5 V
ኄၵٷݣഗධ༵ࠃྜඇࡆڟࡆڦӦޗLjܸሞሺᅮ
ྺ4้Ljۉᇸۉუሶᅜگ3 V
2
ኻᄲٷݣഗኟटڦएጚۉუ࿋ᇀഄࠌఇాྷݔLj
1
ඪࢆۉᇸۉუڦඪࢆݒ၎ሺᅮۼփႴᄲ୯גᇧଉ၌
0
G = +1
RL = 1k:
VS = 5V
VCM = 3.0V
VCM = 3.1V
ڦ൧
पথৎኟࠃࡆۉ႑ࡽڦᇧଉ၌40၂๖ڦ±5
Vۉᇸࠃ้ۉADA4851-1/ADA4851-2/ADA4851-4ٷݣഗ฿
GAIN (dB)
–1
ۙۉუۆ႙ኵᇑࠌఇۉუ࠲ڦဣٗگᇀۉᇸሀ
–2
VCM = 3.2V
–3
VCM = 3.3V
–4
200 mVڟኟۉᇸ2.2 VాྷݔྼඓڦୁႠీփ
ࡗLjܔᇀߛ႑ࡽLj࣏٪ሞഄ୯ᅺ໎41၂๖ڦ
–5
ڇ࿋ሺᅮ߶ໜഗ−3 dBټᇑࠌఇۉუ࠲ڦဣໜጣࠌ
–6
0.1
ఇۉუথৎ2 VኟۉᇸLjٷݣഗၚᆌᅈଆࡻLjփࡗໜጣࠌ
ఇۉუথৎኟۉᇸLjټਸ๔ইگኄସ฿ኈሺेईॺ
૬้क़ჽ႑ࡽೕ୲ሁߛLjԍ฿ኈႠీႴڦᇧଉᄺ
৽ሁܠ
Rev. I | Page 16 of 20
1
10
100
FREQUENCY (MHz)
41. ڇ࿋ሺᅮ߶ໜഗټᇑࠌఇۉუ࠲ڦဣ
ADA4851-1/ADA4851-2/ADA4851-4
42ቛ๖ڦದዃྺڇ࿋ሺᅮ߶ໜഗڦฉืᄂॺ૬้क़ă
न๑ۉუۉࡆۉࠃࡗגუLjኄၵٷݣഗᄺփࣷ݀ิݒ
ۥևڦ1Vօ႑ࡽٳڟժჽฦLj๑ഄࡗגኸۨࠌఇۉ
၎ăۉړᇸۉუג0.6 Vᅜฉ้Ljपฉڦԍࢺܾट࠶
უă
ࣷԥٶਸLjࢫኁࣷटߛ༵ٷഗॲୁۉڦဌൽă
ܔᇀথৎۉᇸڦ႑ࡽᇑݒ၎ሺᅮࢅߛኟሺᅮದዃLjᇧଉ
3.50
G = +1
RL = 1kΩ
VS = 5V
၌ྺपăADA4851-1/ADA4851-2/ADA4851-4ٷݣഗ
3.25
၌Ljُप๑ሏݣᆩڦڟٳྷݔፌٷăᆯᇀ
ৗ༹࠶ڦणۉटۉፆLjԏࢅۉუໜጣႴᄲৗ༹࠶༵
ࠃڦൻܸୁۉۯሺेă
3.6
OUTPUT VOLTAGE (V)
֑ᆩࠌ݀พटपăྷݔৗ༹࠶ڦԏࢅۉუ
G = +1
RL = 1kΩ
VS = 5V
3.4
VSTEP = 2.25V TO 3.25V
3.00
VSTEP = 2.25V TO
3.5V, 4V, AND 5V
2.75
2.50
2.25
0
100
200
300
400
VSTEP = 2V TO 3V
2.8
VSTEP = 2.2V TO 3.2V
2.4
700
800
900
1k
VSTEP = 2.3V TO 3.3V
2.2
600
43. G = +1߶ໜഗڦஞ؋ၚᆌLjօሰׯपࡗሜ
VSTEP = 2.1V TO 3.1V
2.6
500
TIME (ns)
05143-051
2.00
3.0
ࡗሜཚࣷሞٷݣഗՎྺࡗݥሜኵࢫ35 nsా࣬ްă
VSTEP = 2.4V TO 3.4V
2.0
44၂๖ڦݒ၎ሺᅮದዃྺ1ٷݣڦഗٗۥևࢅڹևۉ
1.8
ᇸۉუڦԏࢅڟް࣬ዐक़ۉᇸۉუగڦ้ۅް࣬
10
20
30
40
50
60
70
80
90
TIME (ns)
100
ຨༀă
42. ᇧଉ၌้1 Vօڦฉืᄂ
7
ଉփሺेăසཞᇧଉ൧ူᅃᄣLj႑ࡽೕ୲ሁߛLj
ႴڦᇧଉᄺԲگೕ႑ࡽܠă16ཚࡗࣼۆ႙ၿհ฿
ኈᇑ࠲ڦ܈ޗဣຫକኄᅃۅă
ࡗሜႜྺࢅ࣬ް้क़
ADA4851-1/ADA4851-2/ADA4851-4ڦኸۨࠌఇۉუྺ
INPUT AND OUTPUT VOLTAGE (V)
ໜጣሁઠሁথৎपڦԏࢅۅLj႑ࡽڦუࢅၥհ
6
5
3
1
0
ڞዂټ३ณࢅฉื้क़ሺेLjස41ࢅ42๖ăܸැ
–2
ٷჽăܔᇀ2.2 Vई߸থৎኟۉᇸڦۉუLj࣬ް้क़
ሀྺ55 nsLjժपৗ༹࠶ཽԏࢅሰॺڦׯ૬࿁ၟ
၌ă
Rev. I | Page 17 of 20
INPUT
VOLTAGE
EDGES
2
–1
ڞዂ၄43๖ڦႜྺLjनဃֶՎٷॺ૬้क़ٷ
VOUT = 0V TO 2.5V
4
گᇀۉᇸ200 mVڟኟۉᇸ2.2 Vాྷݔăۥࡗגև၌ॽ
ॽڇ࿋ሺᅮ߶ໜഗڦۉუٗኟۉᇸླྀگڟᇀ2 VLjሶॽ
G = –1
RL = 1kΩ
VS = 5V
VOUT = 5V TO 2.5V
0
10
20
30
40
50
60
TIME (ns)
44. ࡗሜ࣬ް
70
80
90
100
05143-053
0
05143-052
OUTPUT VOLTAGE (V)
3.2
ADA4851-1/ADA4851-2/ADA4851-4
ۉڇᇸೕٷݣഗ
46ߴକᅃ߲8 MHzĂෙटۅSallen-Keyگཚೕዘࠓ୳հ
ADA4851ဣଚٷݣഗݥࢇՍၻ๕ೕᆌᆩሞۉڇᇸ
ഗ๖૩ăُۉୟڦሺᅮྺ3Lj0.1 dBྺټ8.2 MHzLj27 MHz
ࠃۉگڦۉუᆌᆩዐ߾ፕ้Lj႑ࡽपᇧଉ၌
้ڦປ३ࡗג17 dB)९47*ă୳հഗᆶෙ߲टۅLjଇ߲
ᇡକ߸ܠ႑တLj൩֖९“ᇧଉ୯ᅺ໎”ևݴ6ኍ
टྺۅᆶᇸटۅLjଷᅃ߲ᇸट)ۅR6ࢅC4*࿋ᇀ܋ă
ܔ45๖ۆ႙ೕٷݣഗߴକۉუ႑ࡽ߳ዖ
C3߀୳հഗࡐڦইႠీăR6ĂR7ࢅR8ࠓׯೕሜ
ሺᅮࢅ႑ࡽӦॺڦޗᅱኵ
150 ΩăᇮॲR6ĂC4ĂR7ĂR8ᇑྪஏݴဆᅏڦ܋থۉ
ፆࠓׯᅃ߲12.8 dBປ३ഗLjᅺُ֖ۉೝٷዂྺ−3.3 dBLj
RF
ස47๖ă
C1
2.2μF
C2
51pF
+
PD
RG
75Ω
75Ω CABLE
VOUT
VIDEO DAC
Vc
75Ω
R1
37.4Ω
+3V
R5
1kΩ
ྷݔ
(V)
0 0.8
0 0.8
0 2.8
RG
(kΩ)
1
0.499
1
RF
(kΩ)
1
1
1
ሺᅮ
(V/V)
2
3
2
V’
(V)
1.6
2.4
4.9
VOUT
(V)
0.8
1.2
2.45
R8
75Ω
C4
1nF
R4
2kΩ
6.ॺᅱኵ
R7
68.1Ω
VOUT
45. ೕٷݣഗ
ۉᇸۉუ
(V)
3
3
5
R6
6.8Ω
C1
51pF
05143-059
U1
VIN
R2
R3
47Ω 125Ω
IOUT
C2
0.01μF
C3
6.8pF
05143-061
+VS
46. 8 MHzೕዘࠓ୳հഗᇱ
5dB/REF –15dB
1: –3.3931dB
8.239626MHz
1
ೕዘࠓ୳հഗ
ೕ୲ሁߛLjᆶᇸ୳հഗኟ߾ፕႴټڦሁăܸೕ୲
ডڦگሏ໙ٷݣഗࣷᆅࡗٷ၎ᅎLjᅺܸࣷ၂ዸᆖၚ୳հ
ഗڦႠీă
܋ăኄዖ୳հഗ)߸ඓൎڦຫೕዘࠓ୳հഗ*ڦፕᆩ
ၩأDAC֑ᄣࡗײዐܠڦॺظዘၟăܔᇀՍၻ๕ೕ
ᆌᆩLjࡼࠀگĂߛႠీڦADA4851ဣଚٷݣഗਾၙ
ስă
Rev. I | Page 18 of 20
0.03
0.1
1
FREQUENCY (MHz)
10
47. ೕዘࠓ୳հഗೕ୲Ⴀీ
100
05143-062
ᆶᇸ୳հഗڦᅃዖ९ᆌᆩዃᇀೕDAC/Պஓഗڦ
ADA4851-1/ADA4851-2/ADA4851-4
ྔႚ٫
3.00
2.90
2.80
1.70
1.60
1.50
6
5
4
1
2
3
3.00
2.80
2.60
PIN 1
INDICATOR
0.95 BSC
1.90
BSC
1.30
1.15
0.90
0.20 MAX
0.08 MIN
0.15 MAX
0.05 MIN
10°
4°
0°
SEATING
PLANE
0.50 MAX
0.30 MIN
0.60
BSC
0.55
0.45
0.35
121608-A
1.45 MAX
0.95 MIN
COMPLIANT TO JEDEC STANDARDS MO-178-AB
48.6ᆅগၭ႙ৗ༹࠶ހጎ[SOT-23]
(RJ-6)
๖٫ڇ࿋ǖmm
3.20
3.00
2.80
8
3.20
3.00
2.80
1
5.15
4.90
4.65
5
4
PIN 1
IDENTIFIER
0.65 BSC
0.95
0.85
0.75
15° MAX
1.10 MAX
0.40
0.25
6°
0°
0.23
0.09
COMPLIANT TO JEDEC STANDARDS MO-187-AA
49.8ᆅগגၭ႙ހጎ[MSOP]
(RM-8)
๖٫ڇ࿋ǖmm
Rev. I | Page 19 of 20
0.80
0.55
0.40
100709-B
0.15
0.05
COPLANARITY
0.10
ADA4851-1/ADA4851-2/ADA4851-4
5.10
5.00
4.90
14
8
4.50
4.40
4.30
6.40
BSC
1
7
PIN 1
0.65 BSC
0.15
0.05
COPLANARITY
0.10
1.20
MAX
0.20
0.09
SEATING
PLANE
0.30
0.19
8°
0°
COMPLIANT TO JEDEC STANDARDS MO-153-AB-1
0.75
0.60
0.45
061908-A
1.05
1.00
0.80
50.14ᆅগגԋၭ႙ހጎ[TSSOP]
(RU-14)
๖٫ڇ࿋ǖmm
۩ࠔኸళ
႙ࡽ 1, 2
ADA4851-1YRJZ-R2
ADA4851-1YRJZ-RL
ADA4851-1YRJZ-RL7
ADA4851-1WYRJZ-R7
ADA4851-2YRMZ
ADA4851-2YRMZ-RL
ADA4851-2YRMZ-RL7
ADA4851-2WYRMZ-R7
ADA4851-4YRUZ
ADA4851-4YRUZ-RL
ADA4851-4YRUZ-RL7
ADA4851-4WYRUZ-R7
ADA4851-1YRJ-EBZ
ADA4851-2YRM-EBZ
ADA4851-4YRU-EBZ
1
2
࿒ྷݔ܈
−40°C +125°C
−40°C +125°C
−40°C +125°C
−40°C +125°C
−40°C +125°C
−40°C +125°C
−40°C +125°C
−40°C +125°C
–40°C +125°C
–40°C +125°C
–40°C +125°C
–40°C +125°C
ހጎ௮ຎ
6ᆅগၭ႙ৗ༹࠶ހጎ(SOT-23)
6ᆅগၭ႙ৗ༹࠶ހጎ(SOT-23)
6ᆅগၭ႙ৗ༹࠶ހጎ(SOT-23)
6ᆅগၭ႙ৗ༹࠶ހጎ(SOT-23)
8ᆅগגၭ႙ހጎ(MSOP)
8ᆅগגၭ႙ހጎ(MSOP)
8ᆅগגၭ႙ހጎ(MSOP)
8ᆅগגၭ႙ހጎ(MSOP)
14ᆅগגԋၭ႙ހጎ(TSSOP)
14ᆅগגԋၭ႙ހጎ(TSSOP)
14ᆅগגԋၭ႙ހጎ(TSSOP)
14ᆅগגԋၭ႙ހጎ(TSSOP)
ހጎၜ
RJ-6
RJ-6
RJ-6
RJ-6
RM-8
RM-8
RM-8
RM-8
RU-14
RU-14
RU-14
RU-14
Ք๎
HHB
HHB
HHB
H1Z
HSB
HSB
HSB
H1Y
6ᆅগSOT-23ೠࠚӱ
8ᆅগMSOPೠࠚӱ
14ᆅগTSSOPೠࠚӱ
Z = ࢇޙRoHSՔጚڦग़ඹഗॲă
W = ཚࡗഛכᆌᆩණኤă
ഛכᆌᆩपׂ
ADA4851-1W/ADA4851-2W/ADA4851-4Wิׂ߾ᅝڟჹ߭੦Ljᅜ༵ࠃፁഛכᆌᆩڦዊଉࢅ੍Ⴀᄲ൱൩ጀᅪLjכᆩ
႙ࡽڦरຍࡀ߭ీփཞᇀฆᆩ႙ࡽǗᅺُLjยऺටᇵᆌጮဦለ܁Ԩຕ֩“ڦरຍࡀ߭”ևݴኻᆶ၂๖ྺഛכᆌᆩपڦ
ׂ֍ీᆩᇀഛכᆌᆩᇡକ༬ׂۨࠔ۩ڦ႑တժइڥኄၵ႙ࡽ“ڦഛכ੍Ⴀ”ԒߢLj൩ဣںړADIਜ਼ࢽپ
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registered trademarks are the property of their respective owners.
D05143-0-5/10(I)
Rev. I | Page 20 of 20