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OPA2197QDGKRQ1

Dual automotive 36-V, precision, rail-to-rail input output, low offset voltage op amp

Manufacturer:

TI
Mfr.Part #:

OPA2197QDGKRQ1
Datasheet:

OPA2197QDGKRQ1 Datasheet (PDF)
Number of channels:

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

36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V):

4.5
Vos (offset voltage at 25°C) (max) (mV):

0.25
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OPA2197QDGKRQ1 General Description

The OPAx197-Q1 family (OPA197-Q1, OPA2197-Q1, and OPA4197-Q1) is part of a new generation of 36-V, e-trim™ operational amplifiers. The OPAx197-Q1 family of e-trim operational amplifiers uses a proprietary method of package-level trim for offset and offset temperature drift implemented during the final steps of manufacturing after the plastic molding process. This method minimizes the influence of inherent input transistor mismatch, as well as errors induced during package molding.

These devices offer outstanding dc precision and ac performance, including rail-to-rail input/output, low offset (±5 µV, typical), low offset drift (±0.2 µV/°C, typical), and a 10-MHz bandwidth.

Unique features such as differential input-voltage range to the supply rail, high output current (±65 mA), high capacitive load drive of up to 1 nF, and high slew rate (20 V/µs) make the OPAx197-Q1 robust, high-performance op amps for high-voltage industrial applications.

Key Features

AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, T_A
Low offset voltage: ±250 µV (maximum)
Low offset voltage drift: ±0.2 µV/°C
Low noise: 5.5 nV/√Hz at 1 kHz
High common-mode rejection: 140 dB
Low bias current: ±5 pA
Rail-to-rail input and output
Wide bandwidth: 10 MHz GBW
High slew rate: 20 V/µs
Low quiescent current: 1 mA per amplifier
Wide supply: ±2.25 V to ±18 V, 4.5 V to 36 V
EMI/RFI filtered inputs
Differential input-voltage range to supply rail
High capacitive load drive capability: 1 nF
Industry-standard packages:
- Single and dual channel in very-small, 8-pin VSSOP
- Quad channel in 14-pin TSSOP

Specifications

Number of channels	2	Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	4.5	Vos (offset voltage at 25°C) (max) (mV)	0.25
GBW (typ) (MHz)	10	Features	EMI Hardened, High Cload Drive, MUX Friendly, e-Trim™
Slew rate (typ) (V/µs)	20	Rail-to-rail	In, Out
Offset drift (typ) (µV/°C)	0.5	Iq per channel (typ) (mA)	1
Vn at 1 kHz (typ) (nV√Hz)	5.5	CMRR (typ) (dB)	140
Rating	Automotive	Operating temperature range (°C)	-40 to 125
TI functional safety category	Functional Safety-Capable	Input bias current (max) (pA)	20
Iout (typ) (A)	0.065	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)	0.095	Output swing headroom (to positive supply) (typ) (V)	-0.095
THD + N at 1 kHz (typ) (%)	0.00008