High Precision Operational Amplifiers - OPA2277

OPA2277 (ACTIVE)

High Precision Operational Amplifiers

 

Description

The OPAx277 series precision operational amplifiers replace the industry standard OP-177. They offer improved noise, wider output voltage swing, and are twice as fast with half the quiescent current. Features include ultralow offset voltage and drift, low bias current, high common-mode rejection, and high power supply rejection. Single, dual, and quad versions have identical specifications, for maximum design flexibility.

OPAx277 series operational amplifiers operate from ±2-V to ±18-V supplies with excellent performance. Unlike most operational amplifiers which are specified at only one supply voltage, the OPAx277 series is specified for real-world applications; a single limit applies over the ±5-V to ±15-V supply range. High performance is maintained as the amplifiers swing to their specified limits. Because the initial offset voltage (±20 µV maximum) is so low, user adjustment is usually not required. However, the single version (OPA277) provides external trim pins for special applications.

OPA277 operational amplifiers are easy to use and free from phase inversion and the overload problems found in some other operational amplifiers. They are stable in unity gain and provide excellent dynamic behavior over a wide range of load conditions. Dual and quad versions feature completely independent circuitry for lowest crosstalk and freedom from interaction, even when overdriven or overloaded.

Features

  • Ultralow Offset Voltage: 10 µV
  • Ultralow Drift: ±0.1 µV/°C
  • High Open-Loop Gain: 134 dB
  • High Common-Mode Rejection: 140 dB
  • High Power Supply Rejection: 130 dB
  • Low Bias Current: 1-nA maximum
  • Wide Supply Range: ±2 V to ±18 V
  • Low Quiescent Current: 800 µA/amplifier
  • Single, Dual, and Quad Versions
  • Replaces OP-07, OP-77, and OP-177

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Parametrics Compare all products in Precision Amplifier

 
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)
Vos (Offset Voltage @ 25C) (Max) (mV)
Iq per channel (Typ) (mA)
Vn at 1kHz (Typ) (nV/rtHz)
CMRR (Typ) (dB)
Rating
Operating Temperature Range (C)
Package Group
Approx. Price (US$)
Offset Drift (Typ) (uV/C)
Package Size (mm2=WxL)
IIB (Max) (pA)
Output Current (Typ) (mA)
Additional Features
Architecture
OPA2277 OPA277 OPA4277
2     1     4    
4     4     4    
36     36     36    
1     1     1    
0.8     0.8     0.8    
0.025     0.02     0.05    
0.79     0.79     0.79    
8     8     8    
140     140     140    
Catalog     Catalog     Catalog    
-40 to 85     -40 to 85     -40 to 85    
PDIP
SOIC
VSON    
PDIP
SOIC
VSON    
PDIP
SOIC    
1.65 | 1ku     1.10 | 1ku     3.85 | 1ku    
0.1     0.1     0.1    
8VSON: 16 mm2: 4 x 4
8SOIC: 29 mm2: 6 x 4.9    
8VSON: 16 mm2: 4 x 4
8SOIC: 29 mm2: 6 x 4.9    
14SOIC: 52 mm2: 6 x 8.65    
1000     1000     1000    
35     35     35    
  Vos Adj Pin      
Bipolar     Bipolar     Bipolar    

Other qualified versions of OPA2277

Version Part Number Definition
Enhanced Product OPA2277-EP Supports Defense, Aerospace and Medical Applications

WEBENCH® Designer OPA2277

Amplifier Topology
 Non-inverting
 Inverting
Desired Power Supply Voltage
Positive Supply (Vcc):  V
Negative Supply (Vee):  V
Allowed Power Supply(Vcc-Vee) = 4.0 to 36.0 V
Desired Input and Output Requirements
  Min Max
Vin  V  V
Vout  V  V
Minimum Temperature = -40.0 °C
Maximum Temperature = 85.0 °C