a
FEATURES
Low Input Offset Voltage: 75 V Max
Low Offset Voltage Drift, Over –55 C < T
A
< +125 C:
0.5 V/ C Max
Low Supply Current (Per Amplifier): 725
mA
Max
High Open-Loop Gain: 5000 V/mV Min
Low Input Bias Current: 2 nA Max
Low Noise Voltage Density: 11 nV/÷Hz at 1 kHz
Stable with Large Capacitive Loads: 10 nF Typ
Pin Compatible to OP221, MC1458, and LT1013 with
Improved Performance
Available in Die Form
GENERAL DESCRIPTION
Dual Low Offset, Low Power
Operational Amplifier
OP200
PIN CONNECTIONS
16-Pin SOIC
(S
-
Suffix)
+IN A
2
NC
3
V–
4
NC
5
+IN B
6
The OP200 is the first monolithic dual operational amplifier to
offer OP77 type precision performance. Available in the industry
standard 8-pin pinout, the OP200 combines precision performance
with the space and cost savings offered by a dual amplifier.
The OP200 features an extremely low input offset voltage of less
than 75
mV
with a drift below 0.5
mV/∞C,
guaranteed over the full
military temperature range. Open-loop gain of the OP200 exceeds
5,000,000 into a 10 kW load; input bias current is under 2 nA;
CMR is over 120 dB and PSRR below 1.8
mV/V.
On-chip zener-
zap trimming is used to achieve the extremely low input offset
voltage of the OP200 and eliminates the need for offset pulling.
Power consumption of the OP200 is very low, with each amplifier
drawing less than 725
mA
of supply current. The total current
drawn by the dual OP200 is less than one-half that of a single
OP07, yet the OP200 offers significant improvements over this
industry standard op amp. The voltage noise density of the OP200,
11 nV/÷Hz at 1 kHz, is half that of most competitive devices.
The OP200 is pin compatible with the OP221, LM158,
MC1458/1558, and LT1013.
NC
8
NC = NO CONNECT
EPOXY MINI-DIP
(P-Suffix),
8-Pin Hermetic DIP
(Z-Suffix)
OUT A
1
–IN A
2
+IN A
3
V–
4
A
– +
B
+ –
The OP200 is an ideal choice for applications requiring multiple
precision op amps and where low power consumption is critical.
For a quad precision op amp, see the OP400.
V+
BIAS
VOLTAGE
LIMITING
NETWORK
+IN
–IN
REV. A
Figure 1. Simplified Schematic (One of two amplifiers is shown.)
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. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2002
–
–IN B
7
–
–IN A
1
16
OUT A
15
NC
14
NC
13
V+
12
NC
11
NC
+
+
10
OUT B
9
NC
8
7
6
5
V+
OUT B
–IN B
+IN B
OUT
V–
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