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UPC4091 Datasheet(PDF) 1 Page - NEC

Part # UPC4091
Description  J-FET INPUT LOW-OFFSET OPERATIONAL AMPLIFIER
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

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BIPOLAR ANALOG INTEGRATED CIRCUIT
µµµµPC4091
J-FET INPUT LOW-OFFSET OPERATIONAL AMPLIFIER
Document No. G13904EJ1V0DS00 (1st edition)
Date Published November 1998 N CP(K)
Printed in Japan
DATA SHEET
©
1998
The
µPC4091 operational amplifier offers high input impedance, low offset voltage, high slew rate, and stable AC
operating characteristics. NEC's unique high-speed PNP transistor (fT = 300 MHz) in the output stage solves the
oscillation problem of current sinking with a large capacitive load. Zener-zap resistor trimming in the input stage
produces excellent offset voltage and temperature drift characteristics.
FEATURES
Stable operation with 10000 pF capacitive load
Low input offset voltage and offset voltage null
capability
±2.5 mV (MAX.)
±7
µV/°C (TYP.) temperature drift
Very low input bias and offset currents
Low noise : en = 19 nV/
√Hz (TYP.)
Output short circuit protection
High input impedance ... J-FET Input Stage
Internal frequency compensation
High slew rate: 15 V/
µs (TYP.)
ORDERING INFORMATION
Part Number
Package
µPC4091C
8-pin plastic DIP (300 mil)
µPC4091G2
8-pin plastic SOP (225 mil)
EQUIVALENT CIRCUIT
PIN CONFIGURATION
(Top View)
II
IN
Q1
Q2
Q4
Q5
Q8
D1
C1
Q10
V+
V
OUT
Q9
Q7
Q6
Q3
OFFSET
NULL
OFFSET
NULL
TRIMMED
(1)
(5)
(3)
(2)
(7)
(4)
(6)
HIGH SPEED
PNP
PC4091C, 4091G2
1
2
3
4
8
7
6
5
NC
V+
OUT
OFFSET
NULL
+
OFFSET
NULL
NC : No Connection
Remark
II
IN
V
µ


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