ADVANCED
LINEAR
DEVICES, INC.
ALD1115
COMPLEMENTARY N-CHANNEL AND P-CHANNEL MOSFET
GENERAL DESCRIPTION
APPLICATIONS
The ALD1115 is a monolithic complementary N-channel and P-channel
transistor pair intended for a broad range of analog applications. These
enhancement-mode transistors are manufactured with Advanced Linear
Devices' enhanced ACMOS silicon gate CMOS process. It consists of a
N-channel MOSFET and a P-channel MOSFET in one package. The
ALD1115 is a dual version of the quad complementary ALD1105.
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The ALD1115 offers high input impedance and negative current temperature coefficient. The transistor pair is designed for precision signal
switching and amplifying applications in +1V to +10V systems where low
input bias current, low input capacitance and fast switching speed are
desired. Since these are MOSFET devices, they feature very large
(almost infinite) current gain in a low frequency, or near DC, operating
environment. When connected in parallel with sources, drains and gates
connected together, a CMOS analog switch can be constructed. In
addition, the ALD1115 is intended as a building block for CMOS inverters,
differential amplifier input stages, transmission gates, and multiplexer
applications.
Precision current mirrors
Complementary push-pull linear drives
Discrete analog switches
Analog signal choppers
Differential amplifier input stage
Voltage comparator
Data converters
Sample and Hold
Analog current inverter
Precision matched current sources
CMOS inverter stage
Diode clamps
Source followers
PIN CONFIGURATION
The ALD1115 is suitable for use in precision applications which require
very high current gain, beta, such as current mirrors and current sources.
The high input impedance and the high DC current gain of the Field Effect
Transistors result in extremely low current loss through the control gate.
The DC current gain is limited by the gate input leakage current, which is
specified at 100pA at room temperature. V+ is connected to the substrate,
which is the most positive voltage potential of the ALD1115, usually SP
(5). Similarly, V- is connected to the most negative voltage potential of the
ALD1115, usually SN (1).
SN
1
8
V+
GN
2
7
DP
DN
3
6
GP
V-
4
5
SP
TOP VIEW
SAL, PAL PACKAGES
FEATURES
• Thermal tracking between N-channel and P-channel
• Low threshold voltage of 0.7V for both N-channel and
P-channel MOSFETs
• Low input capacitance
• High input impedance -- 1013Ω typical
• Low input and output leakage currents
• Negative current (IDS) temperature coefficient
• Enhancement-mode (normally off)
• DC current gain 109
• Single N-channel MOSFET and single P-channel
MOSFET in one package
BLOCK DIAGRAM
GN (2)
DN (3)
SN (1)
V- (4)
ORDERING INFORMATION (“L” suffix denotes lead-free (RoHS))
Operating Temperature Range*
0°C to +70°C
0°C to +70°C
8-Pin
SOIC
Package
8-Pin
Plastic Dip
Package
ALD1115SAL
ALD1115PAL
GP (6)
DP (7)
SP (5)
V+ (8)
* Contact factory for high temperature versions.
©2021 Advanced Linear Devices, Inc., Vers. 2.2
www.aldinc.com
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ABSOLUTE MAXIMUM RATINGS
Drain-source voltage, VDS
Gate-source voltage, VGS
Power dissipation
Operating temperature range SAL, PAL packages
Storage temperature range
Lead temperature, 10 seconds
CAUTION: ESD Sensitive Device. Use static control procedures in ESD controlled environment.
10V
10V
500mW
0°C to +70°C
-65°C to +150°C
+260°C
OPERATING ELECTRICAL CHARACTERISTICS
TA = 25°C unless otherwise specified
Parameter
Symbol
Gate Threshold VT
Voltage
N - Channel
Min Typ
Max
0.4
Gate Threshold
Temperature
TCVT
Drift
0.7
-1.2
On Drain
Current
IDS (ON)
3
4.8
Trans-.
conductance
Gfs
1
1.8
Output
Conductance
GOS
200
Drain Source
RDS(ON)
ON Resistance
Drain Source
Breakdown
Voltage
BVDSS
Off Drain
Current
IDS(OFF)
Gate Leakage
Current
Input
Capacitance
ALD1115
1.0
350
Unit
Test
Conditions
V
IDS = 1µA VGS = VDS
P - Channel
Min Typ Max
Unit
-0.4
V
mV/°C
mA
500
10
-0.7 -1.2
-1.3
VGS = VDS = 5V
-1.3
-2
mmho
VDS = 5V IDS = 10mA
0.25
µmho
Test
Conditions
IDS = -1µA VGS = VDS
mV/°C
mA
VGS = VDS = -5V
0.67
mmho
VDS = -5V IDS = -10mA
VDS = 5V IDS = 10mA
40
µmho
VDS = -5V IDS = -10mA
Ω
VDS = 0.1V VGS = 5V
1200
Ω
VDS = -0.1V VGS = -5V
V
IDS = 1µA VGS = 0V
V
IDS = -1µA VGS = 0V
10
400
4
pA
nA
VDS = 10V IGS = 0V
TA = 125°C
IGSS
1
100
1
pA
nA
VDS = 0V VGS = 10V
TA = 125°C
CISS
1
3
pF
1800
-10
Advanced Linear Devices
10
400
4
pA
nA
VDS = -10V VGS = 0V
TA = 125°C
1
100
1
pA
nA
VDS = 0V VGS = -10V
TA = 125°C
1
3
pF
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TYPICAL N-CHANNEL PERFORMANCE CHARACTERISTICS
LOW VOLTAGE OUTPUT
CHARACTERISTICS
OUTPUT CHARACTERISTICS
1000
VBS = 0V
TA = +25°C
DRAIN-SOURCE ON CURRENT
IDS(ON) (µA)
DRAIN SOURCE ON CURRENT
IDS(ON) (mA)
20
VGS = 10V
15
8V
10
6V
4V
5
2V
500
4V
2V
0
-500
-1000
0
0
2
6
4
8
10
TA = +25°C
2
1
0.5
IDS = 1mA
0.2
0
DRAIN SOURCE ON RESISTANCE
RDS(ON) (KΩ)
DRAIN SOURCE ON CURRENT
IDS(ON) (µA)
TA = +125°C
2
TRANSFER CHARACTERISTIC
WITH SUBSTRATE BIAS
4
6
VGS = VDS
TA = +25°C
VBS = 0V
-2V
15
-4V
-6V
10
-8V
5
-10V
0
8
0
10
1.6
0.8
2.4
3.2
DRAIN SOURCE ON VOLTAGE - VDS(ON) (V)
GATE SOURCE ON VOLTAGE - VGS(ON) (V)
DRAIN SOURCE ON RESISTANCE vs.
GATE-SOURCE VOLTAGE
DRAIN SOURCE OFF CURRENT vs.
AMBIENT TEMPERATURE
100
4.0
1000
DRAIN SOURCE OFF CURRENT
RDS(OFF) (pA)
FORWARD TRANSCONDUCTANCE
(mmho)
IDS = 10mA
5
+160
20
VBS = 0V
f = 1KHz
10
+80
DRAIN SOURCE ON VOLTAGE - VDS(ON) (mV)
FORWARD TRANSCONDUCTANCE vs.
DRAIN-SOURCE VOLTAGE
20
0
-80
-160
DRAIN SOURCE ON VOLTAGE - VDS(ON) (V)
VDS = 0.2V
VBS = 0V
10
TA = +125°C
1
TA = +25°C
0.1
0
2
4
6
8
VDS = 10V
VGS = VBS = 0V
100
10
1
10
GATE SOURCE ON VOLTAGE - VGS(ON) (V)
ALD1115
VGS = 10V
8V
6V
VBS = 0V
TA = 25°C
Advanced Linear Devices
-50
-25
0
+25
+50
+75
+100 +125
AMBIENT TEMPERATURE - TA (°C)
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TYPICAL P-CHANNEL PERFORMANCE CHARACTERISTICS
OUTPUT CHARACTERISTICS
LOW VOLTAGE OUTPUT
CHARACTERISTICS
500
DRAIN SOURCE ON CURRENT
IDS(ON) (µA)
DRAIN SOURCE ON CURRENT
IDS(ON) (mA)
-10
VBS = 0V
TA = +25°C
-7.5
VGS = -10V
-5.0
-8V
-6V
-2.5
-4V
-2V
250
-4V
-2V
0
-250
-500
0
0
-4
-2
-6
-8
-10
+320
TRANSFER CHARACTERISTIC
WITH SUBSTRATE BIAS
1.0
-20
DRAIN SOURCE ON CURRENT
IDS(ON) (µA)
IDS = -5mA
TA = +25°C
0.5
0.2
0.1
TA = +125°C
0.05
IDS = -1mA
VBS = 0V
f = 1KHz
0.02
0.01
VBS = 0V
2V
4V
6V
8V
10V
-15
-10
-5
VGS = VDS
TA = +25°C
0
0
-2
-4
-6
-8
-10
0
-1.6
-0.8
-2.4
-3.2
-4.0
DRAIN SOURCE ON VOLTAGE - VDS(ON) (V)
GATE SOURCE ON VOLTAGE - VGS(ON) (V)
DRAIN SOURCE ON RESISTANCE vs.
GATE-SOURCE VOLTAGE
DRAIN SOURCE OFF CURRENT vs.
AMBIENT TEMPERATURE
1000
100
DRAIN SOURCE OFF CURRENT
RDS(OFF) (pA)
FORWARD TRANSCONDUCTANCE
(mmho)
+160
DRAIN SOURCE ON VOLTAGE - VDS(ON) (mV)
FORWARD TRANSCONDUCTANCE vs.
DRAIN-SOURCE VOLTAGE
DRAIN SOURCE ON RESISTANCE
RDS(ON) (KΩ)
0
-160
-320
DRAIN SOURCE ON VOLTAGE - VDS(ON) (V)
VDS = 0.4V
VBS = 0V
TA = +125°C
10
1
TA = +25°C
0.1
0
-2
-4
-6
-8
VDS = -10V
VGS = VBS = 0V
100
10
1
-10
GATE SOURCE ON VOLTAGE - VGS(ON) (V)
ALD1115
VGS = -10V
-8V
-6V
VBS = 0V
TA = 25°C
Advanced Linear Devices
-50
-25
0
+25
+50
+75
+100 +125
AMBIENT TEMPERATURE - TA (°C)
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TYPICAL APPLICATIONS
CURRENT SOURCE MIRROR
CURRENT SOURCE WITH GATE CONTROL
V+ = +5V
V+ = +5V
V+ = +5V
Q3
ISET
Q4
Q3
Q4
RSET
ISET
ISOURCE
Q1
Q2
ISOURCE
Digital Logic Control
of Current Source
ISOURCE = ISET
V+ - Vt
=
RSET
4
~
= R
SET
ON
Q1
OFF
Q1 : N-Channel MOSFET
Q3, Q4: P-Channel MOSFET
Q1, Q2: N-Channel MOSFET
Q3, Q4: P-Channel MOSFET
CMOS INVERTER
CMOS ANALOG SWITCH
V+
IN
RSET
CONTROL
OUT
OUT
IN
V+
CONTROL
ALD1115
Advanced Linear Devices
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TYPICAL APPLICATIONS (cont.)
DIODE-CONNECTED CONFIGURATION
SOURCE FOLLOWER
V+
V+
V+
R
VOUT = V+ - VDS
IN
VOUT = VDS
OUT
RA
RB
R
CASCODE CURRENT SOURCES
V+ = +5V
V+ = +5V
ISET
RSET
ISOURCE
Q4
Q2
Q1
Q2
Q3
Q4
Q3
Q1
ISET
RSET
ISOURCE = ISET =
Q1, Q2, Q3, Q4: N-Channel MOSFET
ALD1115
ISOURCE
3
V+ - 2Vt ~
RSET = RSET
Q1, Q2, Q3, Q4: P-Channel MOSFET
Advanced Linear Devices
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SOIC-8 PACKAGE DRAWING
8 Pin Plastic SOIC Package
E
Millimeters
Dim
S (45°)
D
A
Min
1.35
Max
1.75
Min
0.053
Max
0.069
A1
0.10
0.25
0.004
0.010
b
0.35
0.45
0.014
0.018
C
0.18
0.25
0.007
0.010
D-8
4.69
5.00
0.185
0.196
E
3.50
4.05
0.140
0.160
1.27 BSC
e
A
A1
e
Inches
0.050 BSC
H
5.70
6.30
0.224
0.248
L
0.60
0.937
0.024
0.037
ø
0°
8°
0°
8°
S
0.25
0.50
0.010
0.020
b
S (45°)
H
L
ALD1115
C
ø
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PDIP-8 PACKAGE DRAWING
8 Pin Plastic DIP Package
Millimeters
E
E1
D
S
A2
A1
e
b
A
L
Dim
Min
Max
Min
Max
A
3.81
5.08
0.105
0.200
A1
0.38
1.27
0.015
0.050
A2
1.27
2.03
0.050
0.080
b
0.89
1.65
0.035
0.065
b1
0.38
0.51
0.015
0.020
c
0.20
0.30
0.008
0.012
D-8
9.40
11.68
0.370
0.460
E
5.59
7.11
0.220
0.280
E1
7.62
8.26
0.300
0.325
e
2.29
2.79
0.090
0.110
e1
7.37
7.87
0.290
0.310
L
2.79
3.81
0.110
0.150
S-8
1.02
2.03
0.040
0.080
0°
15°
0°
15°
ø
b1
Inches
c
e1
ALD1115
ø
Advanced Linear Devices
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