INA155U2K5G4 datasheet(2/16 Pages) TI

Part #	INA155U2K5G4

Description	Single-Supply, Rail-to-Rail Output, CMOS INSTRUMENTATION AMPLIFIER

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Manufacturer	TI [Texas Instruments]

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2

®

INA155

SPECIFICATIONS: VS = +2.7V to +5.5V

Boldface limits apply over the specified temperature range, TA = –40°C to +85°C

At TA = +25°C, RL = 10kΩ connected to VS/2. RG pins open (G = 10), and Ref = VS/2, unless otherwise noted.

INA155E, U

INA155EA, UA

PARAMETER

CONDITION

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

INPUT

Offset Voltage, RTI

VOS

VS = +5.0V, VCM = VS/2

±0.2

±1

VV

mV

Over Temperature

±1.5

V

mV

Drift

dVOS/dT

±5

V

µV/°C

vs Power Supply

PSRR

VS = +2.7V to +6V, VCM = 0.2 • VS

±50

±200

VV

µV/V

Over Temperature

±250

V

µV/V

vs Time

±0.4

V

µV/mo

INPUT VOLTAGE RANGE

Safe Input Voltage

(V–) – 0.5

(V+) + 0.5

VV

V

Common-Mode Range(1)

VCM

VS = 5.5V

0.3

5.2(2)

VV

V

VS = 2.7V

0.2

2.5(2)

VV

V

Common-Mode Rejection Ratio

CMRR

VS = 5.5V, 0.6V < VCM < 3.7V, G = 10

92

100

80

V

dB

Over Temperature

85

79

dB

VS = 5.5V, 0.6V < VCM < 3.7V, G = 50

86

90

77

V

dB

Over Temperature

85

76

dB

INPUT IMPEDANCE

Differential

1013 || 3

V

Ω || pF

Common-Mode

1013 || 3

V

Ω || pF

INPUT BIAS CURRENT

Input Bias Current

IB

±1

±10

VV

pA

Offset Current

IOS

±1

±10

VV

pA

NOISE, RTI

RS = 0Ω, G = 10 or 50

Voltage Noise: f = 0.1Hz to 10Hz

4.5

V

µV/Vp-p

Voltage Noise Density: f = 10Hz

260

V

nV/

√Hz

f = 100Hz

99

V

nV/

√Hz

f = 1kHz

40

V

nV/

√Hz

Current Noise: f = 1kHz

2

V

fA/

√Hz

GAIN

10

50

VV

V/V

Gain Equation

G = 10 + 400k

Ω/(10kΩ + R

G)

V

V/V

Gain Error(3)

VS = 5.5V, VO = 0.01V to 5.49V, G = 10

±0.02

±0.1

VV

%

vs Temperature

±2

±10

VV

ppm/

°C

VS = 5.5V, VO = 0.05V to 5.45V, G = 50

±0.05

±0.25

VV

%

vs Temperature

±15

±30

VV

ppm/

°C

Nonlinearity

VS = 5.5V, G = 10 or 50

±0.005

±0.015

VV

% of FSR

Over Temperature

±0.015

V

% of FSR

OUTPUT

Voltage Output Swing from Rail

RL = 10kΩ, GERR < 0.1%

5

10

VV

mV

Over Temperature

10

V

mV

Short-Circuit Current

Short Circuit to Ground

±50

V

mA

Capacitance Load (stable operation)

See Typical Curve

V

FREQUENCY RESPONSE

Bandwidth, –3dB

BW

G = 10

550

V

kHz

G = 50

110

V

kHz

Slew Rate

SR

VS = 5.5V, CL = 100pF

6.5

V

V/

µs

Settling Time: 0.1%

tS VS = 5.5V, VO = 2V Step, CL = 100pF, G = 10

5

V

µs

VS = 5.5V, VO = 2V Step, CL = 100pF, G = 50

11

V

µs

0.01%

VS = 5.5V, VO = 2V Step, CL = 100pF, G = 10

8

V

µs

VS = 5.5V, VO = 2V Step, CL = 100pF, G = 50

15

V

µs

Overload Recovery

50% Input Overload

0.2

V

µs

Total Harmonic Distortion + Noise

THD+N

See Typical Curve

V

POWER SUPPLY

Specified Voltage Range

+2.7

+5.5

VV

V

Operating Voltage Range

+2.5 to +6

V

Quiescent Current

VIN = 0, IO = 0

1.7

2.1

VV

mA

Over Temperature

VIN = 0, IO = 0

2.6

V

mA

TEMPERATURE RANGE

Specified Range

–40

+85

VV

°C

Operating Range

–65

+150

VV

°C

Storage Range

–65

+150

VV

°C

Thermal Resistance

θ

JA

MSOP-8 Surface Mount

150

V

°C/W

SO-8 Surface Mount

150

V

°C/W

V Same as INA155E, U.

NOTES: (1) For further information, refer to typical performance curves on common-mode input range. (2) Operation above (V+) – 1.8V (max) results in reduced common-mode

rejection. See discussion and Figure 6 in the text of this data sheet. (3) Does not include error and TCR of additional optional gain-setting resistor in series with RG, if used.

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