Figure 4-1. D Package, 8-Pin S…

INA148UA/2K5

ActiveInstrumentation, OP Amps, Buffer AmpsSOIC

IC OPAMP DIFF 1 CIRCUIT 8SOIC

INA148UA/2K5 is a precision, low-power, unity-gain difference amplifier with a ±200V high common-mode voltage range, in an SOIC-8 package, operating from -40°C to +85°C.Checked against the datasheet

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Technical parameters

Key specs

Supply voltage2.7 ~ 36 V

Gain bandwidth product155 kHzMax

Input offset voltage1 mVMin · ±5 mV (Max) at VS = ±15V，TA = 25°C

Quiescent current260 µATyp · ±300 μA (Max) at VIN = 0V

Channels1

Datasheet-verified parameters

24 items

Parameter	Value and test conditions	Source
Supply voltage range	Single-supply: 2.7V to 36V; Dual-supply: ±1.35V to ±18V
Gain bandwidth product	100 kHz (CSO: SHE), 155 kHz (CSO: TID) at -3dB
Input offset voltage	±1 mV (Min), ±5 mV (Max) at VS = ±15V, TA = 25°C
Quiescent current	±260 μA (Typ), ±300 μA (Max) at VIN = 0V
Number of channels	1
Package	SOIC (D), 8-Pin
Operating temperature	-40°C to +85°C (Specified), -55°C to +125°C (Absolute Max)
Grade	Industrial
RoHS	Yes
Common-mode voltage range	-200V to 200V at VS = ±15V, VO = 0V
Common-mode rejection ratio	70 dB (Min), 86 dB (Typ) at VS = ±15V
Gain error	±0.01% (Min), ±0.075% (Max)
Gain nonlinearity	±0.001% (Min), ±0.002% (Max) of FSR at VS = ±15V
Slew rate	1 V/μs (Typ)
Settling time	21 μs (Typ) to 0.1% at VS = ±15V, VO = 10V step (CSO: SHE)
Short-circuit current	±13 mA (Max) (CSO: SHE), ±20 mA (Max) (CSO: TID) continuous to VS/2
Differential input impedance	2 MΩ (Typ)
Common-mode input impedance	1 MΩ (Typ)
Voltage noise	17 μVPP (Typ) at 0.1Hz to 10Hz; 880 nV/√Hz (Typ) at 1kHz
Power-supply rejection ratio	±50 μV/V (Min), ±400 μV/V (Max) (CSO: SHE); ±3.5 μV/V (Min), ±80 μV/V (Max) (CSO: TID) at VS = ±1.35V to ±18V
Absolute Maximum Ratings - Supply Voltage	Single supply: 36V; Dual supply: ±18V
Absolute Maximum Ratings - Signal Input Pins	Continuous: ±200V; Peak (0.1s): ±500V
Recommended Operating Conditions - Temperature	-40°C to 85°C
Recommended Operating Conditions - Supply Voltage	Single-supply: 2.7V to 36V; Dual-supply: ±1.35V to ±18V

All parameters (19)ExpandCollapse

Power
Current - Output / Channel	13 mA
Current - Supply	260µA
Voltage - Supply Span (Max)	36 V
Voltage - Supply Span (Min)	2.7 V
AC and DC characteristics
-3db Bandwidth	100 kHz
Slew Rate	1V/µs
Voltage - Input Offset	1 mV
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	Differential
Base Product Number	INA148
Mfr	Texas Instruments
Number of Circuits	1
Output Type	-
Product Status	Active
Series	-

Pinout and package

PackageSOIC (D), 8-Pin

Pin	Name	Function
1		Ref (Reference input)
2		-IN (Negative/inverting input)
3		+IN (Positive/non-inverting input)
4	V-	(Negative power supply)
5	NC	(No connect)
6		Out (Output)
7	V+	(Positive power supply)
8	NC	(No connect)

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DatasheetDatasheet · 2.4 MB · 2026-10-29

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