OPA2991 40-V, dual 4.5MHz, rail-to-rail input/output, low-offset-voltage, low-noise op amp | TI.com

OPA2991
This product is prototype/experimental and has not been released to the market. Testing and final processes may not be complete. This product may be subject to further changes or possible discontinuation.
40-V, dual 4.5MHz, rail-to-rail input/output, low-offset-voltage, low-noise op amp

 

Sample Availability

Preproduction samples are available (POPA2991IDR). Request now

Preproduction samples are available (POPA2991IPWR). Request now

Preproduction samples are available (POPA2991IDSGR). Request now

Description

The OPAx991 family (OPA991, OPA2991, and OPA4991) is a family of high voltage (40-V) general purpose operational amplifiers.

These devices offer exceptional DC precision and AC performance, including rail-to-rail input/output, low offset (±125 µV, typ), low offset drift (±0.3 µV/°C, typ), low noise (9.5 nV/√Hz and 1.5 µVPP) and 4.5-MHz bandwidth.

Unique features such as differential and common-mode input-voltage range to the supply rail, high output current (±75 mA), high slew rate (21 V/µs), high capacitive load drive (2 nF) and shutdown functionality make the OPAx991 a robust, high-performance operational amplifier for high-voltage industrial applications.

The OPAx991 family of op amps is available in micro-size packages (such as X2QFN, WSON, and SOT-553), as well as standard packages (such as SOT-23, SOIC, and TSSOP), and is specified from –40°C to 125°C.

Features

  • Low offset voltage: ±125 µV
  • Low offset voltage drift: ±0.3 µV/°C
  • Low noise: 10 nV/√Hz at 1 kHz
  • High common-mode rejection: 130 dB
  • Low bias current: ±1 pA
  • Rail-to-rail input and output
  • Wide bandwidth: 4.5 MHz GBW
  • High slew rate: 21 V/µs
  • High capacitive load drive: 2 nF
  • MUX-friendly/comparator inputs
    • Amplifier operates with differential inputs up to supply rail
    • Amplifier can be used in open-loop or as comparator
  • Low quiescent current: 560 µA per amplifier
  • Wide supply: ±1.35 V to ±20 V, 2.7 V to 40 V
  • Robust EMIRR performance: EMI/RFI filters on input and supply pins
  • Differential and common-mode input voltage range to supply rail
  • Industry standard packages:
    • Single in SOT-23-5/6, SC70-5, and SOT553
    • Dual in SOIC-8, SOT-23-8, TSSOP-8, VSSOP-8/10, WSON-8, and X2QFN-10
    • Quad in SOIC-14, TSSOP-14, WQFN-14, and WQFN-16

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Parametrics

Compare all products in General-purpose op amps Email Download to Excel
Part number Order Number of channels (#) Total supply voltage (Min) (+5V=5, +/-5V=10) Total supply voltage (Max) (+5V=5, +/-5V=10) GBW (Typ) (MHz) Slew rate (Typ) (V/us) Rail-to-rail Vos (offset voltage @ 25 C) (Max) (mV) Iq per channel (Typ) (mA) Vn at 1 kHz (Typ) (nV/rtHz) Rating Operating temperature range (C) Package Group Package size: mm2:W x L (PKG) Offset drift (Typ) (uV/C) Features CMRR (Typ) (dB) Output current (Typ) (mA) Architecture
OPA2991 Order now 2     2.7     40     4.5     21     In
Out    
0.665     0.56     10     Catalog     -40 to 125     SOIC | 8
TSSOP | 8
WSON | 8    
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
8TSSOP: 19 mm2: 6.4 x 3 (TSSOP | 8)
8WSON: 4 mm2: 2 x 2 (WSON | 8)    
0.35     EMI Hardened
Shutdown
Small Size    
125     80     CMOS    
TLV9152 Order now 2     2.7     16     4.5     21     In
Out    
0.665     0.56     10     Catalog     -40 to 125     SOIC | 8
TSSOP | 8    
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
8TSSOP: 19 mm2: 6.4 x 3 (TSSOP | 8)    
0.35     EMI Hardened
Shutdown
Small Size    
125     80     CMOS    
TLV9352 Order now 2     4.5     40     3.5     20     In to V-
Out    
1.8     0.65     15     Catalog     -40 to 125     SOIC | 8
TSSOP | 8    
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
8TSSOP: 19 mm2: 6.4 x 3 (TSSOP | 8)    
1.5     Cost Optimized
EMI Hardened    
110     60     CMOS