Datasheet

IN-
Pre-OutputDriver
OUT
V-
V+
IN+
OPA1602
OPA1604
SBOS474B –APRIL 2011–REVISED NOVEMBER 2011 www.ti.com
APPLICATION INFORMATION
applications do not require equal positive and
The OPA1602 and OPA1604 are unity-gain stable,
negative output voltage swing. With the OPA160x
precision dual and quad op amps with very low noise.
series, power-supply voltages do not need to be
Applications with noisy or high-impedance power
equal. For example, the positive supply could be set
supplies require decoupling capacitors close to the
to +25V with the negative supply at –5V.
device pins. In most cases, 0.1μF capacitors are
adequate. Figure 31 shows a simplified schematic of In all cases, the common-mode voltage must be
the OPA160x (one channel shown). maintained within the specified range. In addition, key
parameters are assured over the specified
temperature range of T
A
= –40°C to +85°C.
OPERATING VOLTAGE
Parameters that vary significantly with operating
The OPA160x series op amps operate from ±2.25V
voltage or temperature are shown in the Typical
to ±18V supplies while maintaining excellent
Characteristics.
performance. The OPA160x series can operate with
as little as +4.5V between the supplies and with up to
+36V between the supplies. However, some
Figure 31. OPA160x Simplified Schematic
10 Copyright © 2011, Texas Instruments Incorporated
Product Folder Link(s): OPA1602 OPA1604