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DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
µPC4081
J-FET INPUT OPERATIONAL AMPLIFIER
DESCRIPTION
The µPC4081 is a single operational amplifier incorporating well matched ion implant P-channel J-FET on the same chip
with standard bipolar transistors. The key features of this op amp is very low input bias current and high slew rate ten
times faster than conventional general purpose op amps. By these features µPC4081 is excellent choice for wide variety
of applications including integrator, active filter, pulse amp etc.
FEATURES
• Low noise: en = 25 nV/ Hz (TYP.)
• Very low input bias and offset currents
• Output short circuit protection
• High input impedance...J-FET Input stage
• Internal frequency compensation
• High slew rate...13 V/µs (TYP.)
ORDERING INFORMATION
Part Number
Package
µPC4081C
8-pin plastic DIP (7.62 mm (300))
µPC4081G2
8-pin plastic SOP (5.72 mm (225))
PIN CONFIGURATION (Top View)
EQUIVALENT CIRCUIT
V
(7)
R1
Q14
Q1
Q2
Q8
Q16
R8
II
2
IN
3
7 V+
Q10
IN
(3)
C1
Q6
Q7
OFFSET
NULL
8 NC
Q12
(2)
II
(1)
OFFSET
1
NULL
Q9
Q5
µ PC4081C, 4081G2
+
R2
R3
R4
Q13
D1
Q4 (5)
Q3
R9
R6
R10
Q15
OUT
(6)
Q11
R5
OFFSET
NULL
R11
V
D2
_
_ +
6 OUT
OFFSET
5 NULL
4
R7
V
(4)
–
Remark NC : No Connection
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. G15343EJ3V0DS00 (3rd edition)
(Previous No. IC-1974)
Date Published February 2001 NS CP(K)
Printed in Japan
The mark ★ shows major revised points.
©
1987
µPC4081
ABSOLUTE MAXIMUM RATINGS (TA = 25°C)
Parameter
+
Voltage between V and V
Symbol
– Note 1
V+ – V–
Differential Input Voltage
VID
Note 2
Input Voltage
Output Voltage
C
Power Dissipation
Note 4
Package
Unit
–0.3 to +36
V
±30
V
–
+
–
+
V –0.3 to V +0.3
VI
Note 3
Ratings
V
VO
V –0.3 to V +0.3
V
PT
350
mW
440
mW
Indefinite
sec
Note 5
G2 Package
Note 6
Output Short Circuit Duration
Operating Ambient Temperature
TA
–20 to +80
°C
Storage Temperature
Tstg
–55 to +125
°C
Notes 1. Reverse connection of supply voltage can cause destruction.
2. The input voltage should be allowed to input without damage or destruction. Even during the transition period
of supply voltage, power on/off etc., this specification should be kept. The normal operation will establish when
the both inputs are within the Common Mode Input Voltage Range of electrical characteristics.
3. This specification is the voltage which should be allowed to supply to the output terminal from external without
damage or destructive. Even during the transition period of supply voltage, power on/off etc., this specification
should be kept. The output voltage of normal operation will be the Output Voltage Swing of electrical
characteristics.
4. Thermal derating factor is –5.0 mV/°C when operating ambient temperature is higher than 55°C.
5. Thermal derating factor is –4.4 mV/°C when operating ambient temperature is higher than 25°C.
6. Pay careful attention to the total power dissipation not to exceed the absolute maximum ratings, Note 4 and
Note 5.
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
MIN.
Supply Voltage
V±
±5
★
Output Current
★
Capacitive Load (AV = +1, Rf = 0 Ω)
TYP.
MAX.
Unit
±16
V
IO
±10
mA
CL
100
pF
OFFSET VOLTAGE NULL CIRCUIT
2 _
★ Remark The OFFSET NULL pins should be left
6
3
5
+
1
–
open or connected to V via a resistor as
shown in the left figure. Don't connect to
–
100 kΩ
VR1
any lines other than V , otherwise
mulfunction, degradation, or failure may
occur.
V
2
_
Data Sheet G15343EJ3V0DS
µPC4081
ELECTRICAL CHARACTERISTICS (TA = 25°C, V± = ±15 V)
Parameter
Input Offset Voltage
Input Bias Current
TYP.
MAX.
Unit
±5
±15
mV
IIO
±5
±200
pA
IB
30
400
pA
2.8
mA
VIO
Note 7
Input Offset Current
Symbol
Note 7
Conditions
MIN.
RS ≤ 50 Ω
Large Signal Voltage Gain
AV
RL ≥ 2 kΩ , VO = ±10 V
Supply Current
ICC
IO = 0 A
Common Mode Rejection Ratio
CMR
70
76
dB
Supply Voltage Rejection Ratio
SVR
70
76
dB
Output Voltage Swing
Vom
RL ≥ 10 kΩ
±12
±13.5
V
RL ≥ 2 kΩ
±10
±12
V
±10
+15
V
Common Model Input Voltage Range
VICM
25000
200000
2.0
–12.7
V/µs
3
MHz
25
nV/√Hz
SR
Unity Gain Frequency
funity
Input Equivalent Noise Voltage Density
en
RS = 100 Ω, f = 1 kHz
Input Offset Voltage
VIO
RS ≤ 50 Ω, TA = –20 to +70°C
Average VIO Temperature Drift
∆VIO/∆T
TA = –20 to +70°C
IIO
TA = –20 to +70°C
±5
nA
IB
TA = –20 to +70°C
10
nA
Input Offset Current
Input Bias Current
Note 7
Note 7
AV = 1
13
Slew Rate
±20
mV
µV/°C
±10
Notes 7. Input bias currents flow into IC. Because each currents are gate leak current of P-channel J-FET on input
stage. And that are temperature sensitive. Short time measuring method is recommendable to maintain the
junction temperature close to the operating ambient temperature.
Data Sheet G15343EJ3V0DS
3
µPC4081
TYPICAL PERFORMANCE CHARACTERISTICS (TA = 25°C, TYP.)
POWER DISSIPATION
OPEN LOOP FREQUENCY RESPONSE
120
500
400
AV - Open Loop Voltage Gain - dB
PT - Total Power Dissipation - mW
600
µ PC4081G2
µ PC4081C
200˚C/W
300
200
227˚C/W
100
20
0
40
60
80
V ± = ±15 V
RL = 2 kΩ
100
80
60
40
20
0
100
1
10
100
TA - Operating Ambient Temperature - ˚C
4
2
0
-2
-4
100
±
V = ±15 V
IB - Input Bias Current - nA
VIO - Input Offset Voltage - mV
6
10 M
INPUT BIAS CURRENT
V ± = ±15 V
The characteristic of the optional sample.
(Quantity:five)
8
10 k 100 k 1 M
f - Frequency - Hz
INPUT OFFSET VOLTAGE
10
1k
10
1.0
0.1
-6
0.01
-20
-8
-10
-40
0
-20
20
40
60
0
20
40
60
80
TA - Operating Ambient Temperature - ˚C
80
TA - Operating Ambient Temperature - ˚C
LARGE SIGNAL FREQUENCY RESPONSE
OUTPUT VOLTAGE SWING
40
30
Vom - Output Voltage Swing - Vp-p
Vom - Output Voltage Swing - Vp-p
20
V ± = ±10 V
10
±
V = ±5 V
0
100
1k
10 k
RL = 10 kΩ
RL = 10 kΩ
±
V = ±15 V
100 k
1M
10 M
30
20
10
±
f - Frequency - Hz
4
±10
0
V - Supply Voltage - V
Data Sheet G15343EJ3V0DS
±20
µPC4081
OUTPUT VOLTAGE SWING
V ± = ±15 V
ICC - Supply Current - mA
Vom - Output Voltage Swing - Vp-p
30
SUPPLY CURRENT
3.5
20
10
0
100
3.0
2.5
2.0
1.5
1.0
0.5
300
1K
3k
10 k
±5
0
V± = ±15 V
RS = 100 Ω
103
102
10
10 k
100 k
VI - Input Voltage - V / VO - Output Voltage - V
en - Input Equivalent Noise
Voltage Density - nV/ Hz
104
1k
±20
VOLTAGE FOLLOWER PULSE RESPONSE
INPUT EQUIVALENT NOISE VOLTAGE DENSITY
100
±15
V ± - Supply Voltage - V
RL - Load Resistance -Ω
0
10
±10
AV = +1
RL = 2 kΩ
CL = 100 pF
V ± = ±15 V
5
0
-5
5
0
-5
0
f - Frequency - Hz
1
2
3
4
t - Time - µs
Data Sheet G15343EJ3V0DS
5
µPC4081
★ PACKAGE DRAWINGS (Unit : mm)
8-PIN PLASTIC DIP (7.62mm(300))
8
5
1
4
A
K
J
L
P
I
C
H
G
B
M
R
F
D
N
M
NOTES
1. Each lead centerline is located within 0.25 mm of
its true position (T.P.) at maximum material condition.
2. ltem "K" to center of leads when formed parallel.
ITEM
MILLIMETERS
A
B
10.16 MAX.
1.27 MAX.
C
2.54 (T.P.)
D
0.50±0.10
F
1.4 MIN.
G
H
3.2±0.3
0.51 MIN.
I
J
4.31 MAX.
5.08 MAX.
K
7.62 (T.P.)
L
6.4
M
0.25 +0.10
−0.05
N
0.25
P
0.9 MIN.
R
0∼15°
P8C-100-300B,C-2
6
Data Sheet G15343EJ3V0DS
µPC4081
8-PIN PLASTIC SOP (5.72 mm (225))
8
5
detail of lead end
P
4
1
A
H
F
I
G
J
S
B
C
D
M
L
N
K
S
M
E
NOTE
Each lead centerline is located within 0.12 mm of
its true position (T.P.) at maximum material condition.
ITEM
MILLIMETERS
A
5.2 +0.17
−0.20
B
0.78 MAX.
C
1.27 (T.P.)
D
0.42 +0.08
−0.07
E
0.1±0.1
F
1.59±0.21
G
1.49
H
6.5±0.3
I
4.4±0.15
J
1.1±0.2
K
0.17 +0.08
−0.07
L
0.6±0.2
M
0.12
N
0.10
P
3° +7°
−3°
S8GM-50-225B-6
Data Sheet G15343EJ3V0DS
7
µPC4081
★ RECOMMENDED SOLDERING CONDITIONS
When soldering this product, it is highly recommended to observe the conditions as shown below. If other soldering
processes are used, or if the soldering is performed under different conditions, please make sure to consult with our sales
offices.
For more details, refer to our document "SEMICONDUCTOR DEVICE MOUNTING TECHNOLOGY MANUAL"(C10535E).
Type of Surface Mount Device
µPC4081G2: 8-pin plastic SOP (5.72 mm (225))
Process
Infrared Ray Reflow
Conditions
Symbol
Peak temperature: 230°C or below (Package surface temperature),
IR30-00-1
Reflow time: 30 seconds or less (at 210°C or higher),
Maximum number of reflow processes: 1 time.
Vapor Phase Soldering
Peak temperature: 215°C or below (Package surface temperature),
VP15-00-1
Reflow time: 40 seconds or less (at 200°C or higher),
Maximum number of reflow processes: 1 time.
Wave Soldering
Solder temperature: 260°C or below, Flow time: 10 seconds or less,
WS60-00-1
Maximum number of flow processes: 1 time,
Pre-heating temperature: 120°C or below (Package surface temperature).
Partial Heating Method
Pin temperature: 300°C or below,
–
Heat time: 3 seconds or less (Per each side of the device).
Caution Apply only one kind of soldering condition to a device, except for "partial heating method", or the
device will be damaged by heat stress.
Type of Through-hole Device
µPC4081C: 8-pin plastic DIP (7.62 mm (300))
Process
Conditions
Wave Soldering
Solder temperature: 260°C or below,
(only to leads)
Flow time: 10 seconds or less.
Partial Heating Method
Pin temperature: 300°C or below,
Heat time: 3 seconds or less (per each lead).
Caution For through-hole device, the wave soldering process must be applied only to leads, and make sure that
the package body does not get jet soldered.
8
Data Sheet G15343EJ3V0DS
µPC4081
[MEMO]
Data Sheet G15343EJ3V0DS
9
µPC4081
[MEMO]
10
Data Sheet G15343EJ3V0DS
µPC4081
[MEMO]
Data Sheet G15343EJ3V0DS
11
µPC4081
• The information in this document is current as of February, 2001. The information is subject to
change without notice. For actual design-in, refer to the latest publications of NEC's data sheets or
data books, etc., for the most up-to-date specifications of NEC semiconductor products. Not all
products and/or types are available in every country. Please check with an NEC sales representative
for availability and additional information.
• No part of this document may be copied or reproduced in any form or by any means without prior
written consent of NEC. NEC assumes no responsibility for any errors that may appear in this document.
• NEC does not assume any liability for infringement of patents, copyrights or other intellectual property rights of
third parties by or arising from the use of NEC semiconductor products listed in this document or any other
liability arising from the use of such products. No license, express, implied or otherwise, is granted under any
patents, copyrights or other intellectual property rights of NEC or others.
• Descriptions of circuits, software and other related information in this document are provided for illustrative
purposes in semiconductor product operation and application examples. The incorporation of these
circuits, software and information in the design of customer's equipment shall be done under the full
responsibility of customer. NEC assumes no responsibility for any losses incurred by customers or third
parties arising from the use of these circuits, software and information.
• While NEC endeavours to enhance the quality, reliability and safety of NEC semiconductor products, customers
agree and acknowledge that the possibility of defects thereof cannot be eliminated entirely. To minimize
risks of damage to property or injury (including death) to persons arising from defects in NEC
semiconductor products, customers must incorporate sufficient safety measures in their design, such as
redundancy, fire-containment, and anti-failure features.
• NEC semiconductor products are classified into the following three quality grades:
"Standard", "Special" and "Specific". The "Specific" quality grade applies only to semiconductor products
developed based on a customer-designated "quality assurance program" for a specific application. The
recommended applications of a semiconductor product depend on its quality grade, as indicated below.
Customers must check the quality grade of each semiconductor product before using it in a particular
application.
"Standard": Computers, office equipment, communications equipment, test and measurement equipment, audio
and visual equipment, home electronic appliances, machine tools, personal electronic equipment
and industrial robots
"Special": Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster
systems, anti-crime systems, safety equipment and medical equipment (not specifically designed
for life support)
"Specific": Aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life
support systems and medical equipment for life support, etc.
The quality grade of NEC semiconductor products is "Standard" unless otherwise expressly specified in NEC's
data sheets or data books, etc. If customers wish to use NEC semiconductor products in applications not
intended by NEC, they must contact an NEC sales representative in advance to determine NEC's willingness
to support a given application.
(Note)
(1) "NEC" as used in this statement means NEC Corporation and also includes its majority-owned subsidiaries.
(2) "NEC semiconductor products" means any semiconductor product developed or manufactured by or for
NEC (as defined above).
M8E 00. 4