1
1k
100
10
Voltage Noise (nV/√Hz)
Frequency (Hz)
10 100 1k 10k 100k 1M
1
Current Noise (fA/√Hz)
Voltage Noise
Current Noise
OPA132
,
OPA2132
,
OPA4132
SBOS054B –JANUARY 1995–REVISED SEPTEMBER 2015
OPAx132 High-Speed FET-Input Operational Amplifiers
1 Features 3 Description
The OPAx132 series of FET-input operational
1
• FET input: I
B
= 50 pA Maximum
amplifiers provides highspeed and excellent DC
• Wide Bandwidth: 8 MHz
performance. The combination of high slew rate and
• High Slew Rate: 20 V/µs
wide bandwidth provide fast settling time. Single,
dual, and quad versions have identical specifications
• Low Noise: 8nV/√Hz (1 kHz)
for maximum design flexibility. High performance
• Low Distortion: 0.00008%)
grades are available in the single and dual versions.
• High Open-loop Gain: 130 dB (600-Ω load)
All are ideal for general-purpose, audio, data
acquisition and communications applications,
• Wide Supply Range: ±2.5 to ±18V
especially where high source impedance is
• Low Offset Voltage: 500 µV Maximum
encountered.
• Single, Dual, and Quad Versions
The OPAx132 operational amplifiers are easy to use
and free from phase inversion and overload problems
2 Applications
often found in common FET-input operational
• SAR ADC Driver
amplifiers. Input cascode circuitry provides excellent
• Voltage Reference Buffer common-mode rejection and maintains low input bias
current over its wide input voltage range. The
• Trans-impedance Amplifier
OPAx132 series of operational amplifiers are stable in
• Photodiode Amplifier
unity gain and provide excellent dynamic behavior
• Active Filters
over a wide range of load conditions, including high
load capacitance. Dual and quad versions feature
• Integrators
completely independent circuitry for lowest crosstalk
and freedom from interaction, even when overdriven
Low Noise JFET Input
or overloaded.
Single and dual versions are available in 8-pin DIP
and SO-8 surface-mount packages. Quad is available
in 14-pin DIP and SO-14 surface-mount packages. All
are specified for –40°C to 85°C operation
Device Information
(1)
PART NUMBER PACKAGE BODY SIZE (NOM)
PDIP (8) (P) 9.81 mm × 6.35 mm
OPAx132
SOIC (8) (D) 4.90 mm × 3.91 mm
PDIP (8) (P) 9.81 mm × 6.35 mm
OPA2132
SOIC (8) (D) 4.90 mm × 3.91 mm
PDIP (14) (N) 19.30 mm × 6.35 mm
OPA4132
SOIC (14) (D) 8.65 mm × 3.91 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
