OPA827 Low-Noise, High-Precision, JFET-Input Operational Amplifier | TI.com


Low-Noise, High-Precision, JFET-Input Operational Amplifier


For higher bandwidth (50MHz), lower offset voltage (15μV), lower voltage noise (4.3nV/√Hz) and lower input bias current (1pA), see  OPA828.


The OPA827 series of JFET operational amplifiers combine outstanding DC precision with excellent AC performance. These amplifiers offer low offset voltage (150 µV, maximum), very low drift over temperature (0.5 µV/°C, typical), low-bias current (3 pA, typical), and very low 0.1-Hz to 10-Hz noise (250 nVPP, typical). The device operates over a wide supply voltage range, ±4 V to ±18 V on a low supply current (4.8 mA/Ch, typical).

Excellent AC characteristics, such as a 22-MHz gain bandwidth product (GBW), a slew rate of 28 V/µs, and precision DC characteristics make the OPA827 series well-suited for a wide range of applications including 16-bit to 18-bit mixed signal systems, transimpedance (I/V-conversion) amplifiers, filters, precision ±10-V front ends, and professional audio applications.

The OPA827 is available in both 8-pin SOIC and 8-pin VSSOP surface-mount packages, and is specified from –40°C to 125°C.


  • Input Voltage Noise Density:
    4 nV/√Hz at 1 kHz
  • Input Voltage Noise:
    0.1 Hz to 10 Hz: 250 nVPP
  • Input Bias Current: 10 pA (Maximum)
  • Input Offset Voltage: 150 µV (Maximum)
  • Input Offset Drift: 2 µV/°C (Maximum)
  • Gain Bandwidth: 22 MHz
  • Slew Rate: 28 V/µs
  • Quiescent Current: 4.8 mA/Ch
  • Wide Supply Range: ±4 V to ±18 V
  • Packages: 8-Pin SOIC and 8-Pin VSSOP

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Parametrics Compare all products in Precision op amps (Vos<1mV)

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 @ 25 C) (Max) (mV)
Offset drift (Typ) (uV/C)
Iq per channel (Typ) (mA)
Vn at 1 kHz (Typ) (nV/rtHz)
CMRR (Typ) (dB)
Operating temperature range (C)
Package Group
Package size: mm2:W x L (PKG)
Input bias current (Max) (pA)
Output current (Typ) (mA)
OPA827 OPA828
1     1    
8     8    
36     36    
22     50    
28     150    
No     No    
0.15     0.22    
0.1     1    
4.8     5.5    
4     4.3    
114     115    
Catalog     Catalog    
-40 to 125     -40 to 125    
SOIC | 8
VSSOP | 8    
SOIC | 8    
8SOIC: 29 mm2: 6 x 4.9 (SOIC | 8)
8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8)    
8SOIC: 29 mm2: 6 x 4.9 (SOIC | 8)    
10     5    
30     50    
Burr-Brown™ Audio    
FET     FET    

Design tool

Design with OPA827

Filter Type
Cutoff Frequency  Hz
Gain  dB
Filter Response
Filter Order