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OPA2333AIDR

CMOS, Zero-Drift Amplifier 2 Circuit Rail-to-Rail 8-SOIC

Manufacturer:

TI
Mfr.Part #:

OPA2333AIDR
Datasheet:

OPA2333AIDR Datasheet (PDF)
Number of channels:

2
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V):

5.5
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V):

1.8
Vos (offset voltage at 25°C) (max) (mV):

0.01
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OPA2333AIDR General Description

The OPAx333 series of CMOS operational amplifiers use a proprietary auto-calibration technique to simultaneously provide very low offset voltage (10 µV, maximum) and near-zero drift over time and temperature. These miniature, high-precision, low quiescent current amplifiers offer high-impedance inputs that have a common-mode range 100 mV beyond the rails, and rail-to-rail output that swings within 50 mV of the rails. Single or dual supplies as low as 1.8 V (±0.9 V) and up to 5.5 V (±2.75 V) can be used. These devices are optimized for low-voltage, single-supply operation.

The OPAx333 family offers excellent CMRR without the crossover associated with traditional complementary input stages. This design results in superior performance for driving analog-to-digital converters (ADCs) without degradation of differential linearity.

The OPA333 (single version) is available in the 5-pin SOT-23, SOT, and 8-pin SOIC packages, while the OPA2333 (dual version) is available in the 8-pin VSON, SOIC, and VSSOP packages. All versions are specified for operation from 40°C to 125°C.

Key Features

Low Offset Voltage: 10 µV (Maximum)
Zero Drift: 0.05 µV/°C (Maximum)
0.01-Hz to 10-Hz Noise: 1.1 µV_PP
Quiescent Current: 17 µA
Single-Supply Operation
Supply Voltage: 1.8 V to 5.5V
Rail-to-Rail Input/Output
microSize Packages: SC70 and SOT23

Specifications

Number of channels	2	Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	5.5
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	1.8	Vos (offset voltage at 25°C) (max) (mV)	0.01
GBW (typ) (MHz)	0.35	Features	EMI Hardened, Small Size, Zero Drift
Slew rate (typ) (V/µs)	0.16	Rail-to-rail	In, Out
Offset drift (typ) (µV/°C)	0.02	Iq per channel (typ) (mA)	0.017
Vn at 1 kHz (typ) (nV√Hz)	55	CMRR (typ) (dB)	130
Rating	Catalog	Operating temperature range (°C)	-40 to 125
Input bias current (max) (pA)	200	Iout (typ) (A)	0.005
Architecture	CMOS	Input common mode headroom (to negative supply) (typ) (V)	-0.1
Input common mode headroom (to positive supply) (typ) (V)	0.1	Output swing headroom (to negative supply) (typ) (V)	0.03
Output swing headroom (to positive supply) (typ) (V)	-0.03