LTC6912IGN-2 datasheet(7/24 Pages) LINER

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LTC6912

6912fa

ELECTRICAL CHARACTERISTICS The ● denotes the specifications that apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VS = 5V, AGND = 2.5V, Gain = 1, RL = 10k to midsupply point, unless

otherwise noted.

C, I SUFFIXES

H SUFFIX

PARAMETER

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

Specifications for the LTC6912-1 ONLY

Offset Voltage Magnitude

Gain = 1

●

0.125

3.5

(Internal Op-Amp, Note 8)

Offset Voltage Magnitude

Gain = 1

●

0.25

3.5

0.25

6.5

Referred to INA or INB Pins

Gain = 10

●

0.14

(Note 8)

Input Offset Voltage Drift,

µV/°C

Internal Op Amp

DC Input Resistance at

DC VINA or VINB = 0V

INA or INB Pins (Note 9)

Gain = 0

●

>10

Ω

State = 8, Software Shutdown

●

>10

Ω

Gain = 1

●

Ω

Gain = 2

●

Ω

Gain = 5

●

Ω

Gain > 5

●

Ω

DC Input Resistance Drift at

Gain = 1

ppm/

°C

INA or INB Pins (Note 9)

Gain = 2

100

ppm/

°C

Gain = 5

100

110

ppm/

°C

Gain = 10

120

130

ppm/

°C

Gain = 20

130

140

ppm/

°C

Gain = 50

150

160

ppm/

°C

Gain = 100

190

200

ppm/

°C

DC Input Resistance Match

Gain = 1

●

Ω

RINA-RINB

Gain = 2

●

Ω

Gain = 5

●

Ω

Gain > 5

●

Ω

DC Small Signal Output Resistance DC VINA or VINB = 0V

at OUT A or OUT B Pins

Gain = 0

0.4

Ω

Gain = 1

0.7

Ω

Gain = 2

1.0

Ω

Gain = 5

1.9

Ω

Gain = 10

3.4

Ω

Gain = 20

6.4

Ω

Gain = 50

Ω

Gain = 100

Ω

State = 8, Software Shutdown

●

Ω

Gain Bandwidth Product

Gain = 100

●

MHz

Wideband Noise

f = 1kHz to 200kHz

(Referred to Input)

Gain = 0 (Output Noise only)

8.9

µVRMS

Gain = 1

15.6

µVRMS

Gain = 2

11.1

µVRMS

Gain = 5

8.3

µVRMS

Gain = 10

7.4

µVRMS

Gain = 20

7.0

µVRMS

Gain = 50

6.7

µVRMS

Gain = 100

6.3

µVRMS

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