Dual, 64-Position Nonvolatile Digital

Potentiometer with Buffered Outputs

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3

AC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

SCL Clock Frequency

(Note 6)

400

kHz

Bus Free Time between STOP

and START Conditions

1.3

µs

Hold Time (Repeated) START

Condition

0.6

µs

Low Period of SCL

1.3

µs

High Period of SCL

0.6

µs

Data Hold Time

0

0.9

µs

Data Setup Time

100

ns

Start Setup Time

0.6

µs

SDA and SCL Rise Time

(Note 7)

300

ns

SDA and SCL Fall Time

(Note 7)

300

ns

STOP Setup Time

0.6

µs

SDA and SCL Capacitance

(Note 7)

400

pF

EEPROM Write Time

(Note 8)

10

17

ms

Startup Time

40

µs

PROGRAMMABLE-GAIN AMPLIFIER CHARACTERISTICS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Common-Mode Input Voltage

0

V

≥ 2kΩ, G = 1V/V

0.975

1

1.025

≥ 2kΩ, G = 2V/V

1.925

2

2.05

Gain

G

≥ 2kΩ, G = 4V/V

3.850

4

4.10

V/V

Output Voltage Range

0.3

V

Power-Supply Rejection Ratio

PSRR

60

90

dB

Output Source Current

-15

mA

Output Sink Current

15

mA

Unity-Gain Frequency

Gain = 1V/V, position 3Fh

3.5

MHz

Amplifier Capacitive Loading

100

pF

Input Offset Voltage

-9

+9

mV

Load Regulation

800

2200

µV/mA

Output-Voltage Slew Rate

270

840

V/ms