Figure 5-3. OPA2277 P Package,…

OPA2277UA/2K5

ActiveInstrumentation, OP Amps, Buffer AmpsSOIC

IC OPAMP GP 2 CIRCUIT 8SOIC

OPA2277UA/2K5 is a dual-channel precision operational amplifier in an 8-pin SOIC package, operating from -40°C to 85°C, featuring ultra-low offset voltage and drift for high-precision data acquisition.Checked against the datasheet

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Technical parameters

Key specs

Supply voltage4 ~ 36 V

Gain bandwidth product1 MHzTyp

Input offset voltage25 µVMax · Max: ±25 μV (at TA = 25°C，VS = 10 V to 30 V)

Quiescent current790 µATyp

Channels2

Datasheet-verified parameters

22 items

Parameter	Value and test conditions	Source
Supply voltage range	Single supply: 4 V to 36 V; Dual supply: ±2 V to ±18 V
Input offset voltage	Typ: ±10 μV, Max: ±25 μV (at TA = 25°C, VS = 10 V to 30 V)
Quiescent current	800 μA/amplifier
Channels	Dual (2)
Package	SOIC (D), 8-Pin
Operating temperature	-40°C to 85°C
RoHS	Yes
Input bias current	Typ: ±0.5 nA, Max: ±1 nA (at TA = 25°C, VS = 10 V to 30 V)
Common-mode rejection ratio	Min: 130 dB, Typ: 140 dB (at TA = 25°C, VS = 10 V to 30 V)
Power-supply rejection ratio	Typ: ±0.3 μV/V, Max: ±0.5 μV/V (at TA = 25°C, VS = ±2 V to ±18 V)
Input voltage noise density	Typ: 8 nV/√Hz (at f = 1 kHz)
Open-loop gain	134 dB
Absolute Maximum Ratings: Supply voltage	Max: 36 V
Absolute Maximum Ratings: Junction temperature	Max: 150 °C
Recommended Operating Conditions: Ambient temperature	Min: -40 °C, Max: 85 °C
ESD Ratings (HBM)	±2000 V
ESD Ratings (CDM)	±500 V
Common-mode voltage range	Min: (V-)+2 V, Max: (V+)-2 V
Differential input impedance	100 MΩ \|\| 3 pF
Common-mode input impedance	250 GΩ \|\| 3 pF
Input offset voltage drift	Typ: ±0.1 μV/°C, Max: ±0.25 μV/°C (at TA = -40°C to +85°C)
Input current noise density	Typ: 0.2 pA/√Hz (at f = 1 kHz)

All parameters (20)ExpandCollapse

Power
Current - Input Bias	4 nA
Current - Output / Channel	35 mA
Current - Supply	790µA (x2 Channels)
Voltage - Supply Span (Max)	36 V
Voltage - Supply Span (Min)	4 V
AC and DC characteristics
Gain Bandwidth Product	1 MHz
Slew Rate	0.8V/µs
Voltage - Input Offset	20 µV
Environment and package
Mounting Type	Surface Mount
Operating Temperature	-40°C~85°C
Package	Tape & Reel (TR); Cut Tape (CT); Digi-Reel®
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Other
Amplifier Type	General Purpose
Base Product Number	OPA2277
Mfr	Texas Instruments
Number of Circuits	2
Output Type	-
Product Status	Active
Series	-

Pinout and package

Pin	Name	Function	Source
>1		Output channel A
>2		Inverting input channel A
>3		Noninverting input channel A
>4		Negative (lowest) power supply
>5		Noninverting input channel B
>6		Inverting input channel B
>7		Output channel B
>8		Positive (highest) power supply

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DatasheetDatasheet · 1.7 MB · 2026-10-28

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