OPA2834 Ultra low power, 50MHz rail-to-rail out, negative rail in, voltage-feedback op amp | TI.com

OPA2834 (PREVIEW) Ultra low power, 50MHz rail-to-rail out, negative rail in, voltage-feedback op amp

 

Sample Availability

Prototype samples are available (XOPA2834IDGKT). Request now

Description

The OPA2834 is a dual-channel, ultra-low-power, rail-to-rail output, negative-rail input, voltage-feedback (VFB) operational amplifier designed to operate over a power-supply range of 2.7 V to 5.4 V with a single supply, or ±1.35 V to ±2.7 V with a dual supply. Consuming only 170 µA per channel and with a unity-gain bandwidth of 50 MHz, this amplifier sets an industry-leading performance-to-power ratio for rail-to-rail amplifiers.

For battery-powered, portable applications where power is of key importance, the low power consumption, wide bandwidth, and ultra-low distortion performance of the OPA2834 offers performance versus power that is not attainable in other devices.

See the Device Comparison Table for a selection of low-power, low-noise, 5-V amplifiers from Texas Instruments with a gain-bandwidth product from 20 MHz to 300 MHz.

Features

  • Ultra-low power:
    • Supply voltage: 2.7 V to 5.4 V
    • Quiescent current: 170 µA/ch (typical)
  • Bandwidth: 50 MHz (G = 1 V/V)
  • Slew rate: 26 V/µs
  • HD2, HD3: –131 dBc, –146 dBc at 10 kHz (2 VPP)
  • Input voltage noise: 12 nV/√Hz (f = 10 kHz)
  • Input offset voltage: 350 µV (±1.5 mV, maximum)
  • Negative rail input, rail-to-rail output (RRO)
    • Input voltage range: –0.2 V to 3.9 V
      (5-V supply)
  • Operating temperature range:
    –40°C to +125°C

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Parametrics

Compare all products in High-speed op amps (GBW>=50MHz) Email Download to Excel
Part number Order Architecture Number of channels (#) Total supply voltage (Min) (+5V=5, +/-5V=10) Total supply voltage (Max) (+5V=5, +/-5V=10) BW @ Acl (MHz) Acl, min spec gain (V/V) Slew rate (Typ) (V/us) Vn at flatband (Typ) (nV/rtHz) Vn at 1 kHz (Typ) (nV/rtHz) Iq per channel (Typ) (mA) Vos (offset voltage @ 25 C) (Max) (mV) Rail-to-rail Features Rating Operating temperature range (C) Package Group Package size: mm2:W x L (PKG) CMRR (Typ) (dB) Input bias current (Max) (pA) Offset drift (Typ) (uV/C) GBW (Typ) (MHz) Output current (Typ) (mA) 2nd harmonic (dBc) 3rd harmonic (dBc) @ MHz
OPA2834 Order now Bipolar     2     2.7     5.4     50     1     26     12     12     0.17     1.5     In to V-
Out    
    Catalog     -40 to 125     VSSOP | 8     8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8)     105     90000     1.5     20     13.5     131     146     0.01    
OPA2835 Order now Bipolar
Voltage FB    
2     2.5     5.5     56     1     160     9.3     10     0.25     0.5     In to V-
Out    
Shutdown     Catalog     -40 to 125     QFN | 10
SOIC | 8
UQFN | 10
VSSOP | 10    
10QFN: 4 mm2: 2 x 2 (QFN | 10)
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
10UQFN: 4 mm2: 2 x 2 (UQFN | 10)
10VSSOP: 9 mm2: 3 x 3 (VSSOP | 10)    
113     400000     2.25     30     40     70     73     1    
OPA2836 Order now Bipolar
Voltage FB    
2     2.5     5.5     205     1     560     4.6     4.6     1     0.4     In to V-
Out    
Small Size
Shutdown    
Catalog     -40 to 125     QFN | 10
SOIC | 8
UQFN | 10
VSSOP | 10    
10QFN: 4 mm2: 2 x 2 (QFN | 10)
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
10UQFN: 4 mm2: 2 x 2 (UQFN | 10)
10VSSOP: 9 mm2: 3 x 3 (VSSOP | 10)    
116     1000000