INA330

3

SBOS260

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ELECTRICAL CHARACTERISTICS: VS = +5V

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

At TA = +25°C, V1 = V2 = +1V, VADJUST = +2.5V, RSET = 10kΩ, RTHERM = 10kΩ, RG = 200kΩ, CFILTER = 500pF, external 1kHz filtering, unless otherwise noted.

INA330

2

3

10

1

95

4

V+

V

2

V

EXCITE

1V

V

1

6

Enable

High = On

Low = Off

8

7

I

1

I

2

R

SET

10k

Ω

R

G

200k

Ω

Thermistor

R

THERM = 10kΩ

C

FILTER

500pF

I

O = I1 – I2

V

O

V

ADJUST = +2.5V

NOTES: (1) Total errors in voltage seen between pin 1 and pin 10. (2) See Figure 2.

TEST CONFIGURATION

PARAMETER

CONDITION

MIN

TYP

MAX

UNITS

VOLTAGE EXCITATION BUFFERS

Voltage Range

RSET = 10kΩ, RTHERM = 10kΩ

0.1

1.25

V

RSET = 100kΩ, RTHERM = 100kΩ

0.1 to 4.9

V

Offset Voltage

VOS

VS = +5V, V1 – V2 = 0

±60

µV

vs Temperature

∆V

OS

±0.2

µV/°C

vs Power Supply

PSR

VS = +2.7V to +5.5V, V1 – V2 = 0

3

µV/V

Offset Voltage Match(1)

±30

µV

vs Temperature

0.2

µV/°C

Input Bias Current

IB

±0.2

nA

Output Current

+125

µA

CURRENT CONVEYOR(2)

Gain Equation

IO = I1 – I2

Current Output Range

±12.5

µA

Voltage Compliance Range

0.075

4.925

V

Gain

1A/A

Gain Error

VO = +0.075V to +4.925V

±0.1

±0.2

%

Current Offset Error

IERROR

I1 = I2

±100

±200

nA

Change Over Temperature

+25

°C to +85°C, or +25°C to –40°C

±40

nA

vs V1, V2

V1 = V2 = +0.1V to +1.25V

±100

±200

nA/V

vs Power Supply

25

nA/V

Noise Current

12

pA/

√Hz

f = 0.01Hz to 10Hz

500

pAp-p

OUTPUT BUFFER

Voltage Output Swing-to-Rail

RL = 100kΩ

5mV

RL = 10kΩ

75

10

mV

Offset Voltage

30

µV

vs Temperature

dVOS /dT

0.1

µV/°C

Input Bias Current

Included in IERROR

Short-Circuit Current

ISC

±25

mA