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OPA4322SAIPW

Quad, 5.5-V, 20-MHz, 65-mA output current, low noise (8.5-nV/√Hz), RRIO operational amplifier

Manufacturer: Texas Instruments, Inc
Mfr.Part #: OPA4322SAIPW
Datasheet: OPA4322SAIPW Datasheet (PDF)
Package/Case: TSSOP-16
Product Type: Amplifier ICs
RoHS:
Lifecycle: Active
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OPA4322SAIPW General Description

The OPAx322x series consists of single, dual, and quad-channel CMOS operational amplifiers featuring low noise and rail-to-rail inputs and outputs optimized for low-power, single-supply applications. Specified over a wide supply range of 1.8 V to 5.5 V, the low quiescent current of only 1.5 mA per channel makes these devices well-suited for power-sensitive applications.

The combination of very low noise (8.5 nV√Hz at 1 kHz), high-gain bandwidth (20 MHz), and fast slew rate (10 V/µs) make the OPAx322x family ideal for a wide range of applications, including signal conditioning and sensor amplification requiring high gains. Featuring low THD+N, the OPAx322x series is also excellent for consumer audio applications, particularly for single-supply systems.

The OPAx322S models include a shutdown mode that allow the amplifiers to be switched from normal operation to a standby current that is typically less than 0.1 µA.

The OPA322 (single version) is available in 5-pin SOT-23 and 6-pin SOT-23, while the OPA2322 (dual version) is offered in 8-pin VSSOP, 10-pin VSSOP, 8-pin SOIC, and 8-pin SON packages. The quad version OPA4322 comes in 14-pin TSSOP and 16-pin TSSOP packages. All versions are specified for operation from –40°C to +125°C.

Key Features

Gain Bandwidth: 20 MHz
Low Noise: 8.5 nV√Hz at 1 kHz
Slew Rate: 10 V/µs
Low THD+N: 0.0005%
Rail-to-Rail I/O
Offset Voltage: 2 mV (maximum)
Supply Voltage: 1.8 V to 5.5 V
Supply Current: 1.5 mA/ch
- Shutdown: 0.1 µA/ch
Unity-Gain Stable
Small Packages:
- SOT-23, SON, VSSOP, TSSOP

Specifications

Category	Integrated Circuits (ICs)LinearAmplifiersInstrumentation, OP Amps, Buffer Amps	Mfr	Texas Instruments
Series	-	Package	Tube
Product Status	Active	Amplifier Type	CMOS
Number of Circuits	4	Output Type	Rail-to-Rail
Slew Rate	10V/µs	Gain Bandwidth Product	20 MHz
Current - Input Bias	0.2 pA	Voltage - Input Offset	500 µV
Current - Supply	1.6mA (x4 Channels)	Current - Output / Channel	65 mA
Voltage - Supply Span (Min)	1.8 V	Voltage - Supply Span (Max)	5.5 V
Operating Temperature	-40°C ~ 125°C	Mounting Type	Surface Mount
Package / Case	16-TSSOP (0.173", 4.40mm Width)	Supplier Device Package	16-TSSOP
Base Product Number	OPA4322