+2.7V to +5.25V, Low-Power, 8-Channel,

Serial 10-Bit ADCs

4

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ELECTRICAL CHARACTERISTICS (continued)

otherwise noted.)

V

3.0

DIN, SCLK, CS Input High Voltage

mV

±0.3

PSR

Supply Rejection (Note 12)

Full-scale input, external reference = 2.500V,

pF

15

DIN, SCLK, CS Input Capacitance

µA

±0.01

±1

DIN, SCLK, CS Input Leakage

V

0.2

DIN, SCLK, CS Input Hysteresis

V

0.8

DIN, SCLK, CS Input Low Voltage

2.0

µA

±4.0

SHDN Input Current

V

0.4

SHDN Input Low Voltage

V

SHDN Input High Voltage

nA

±100

SHDN Maximum Allowed

Leakage, Mid Input

V

SHDN Voltage, Floating

SHDN = FLOAT

SHDN = FLOAT

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

(Note 10)

CONDITIONS

µA

±0.01

±10

Three-State Leakage Current

V

Output Voltage High

V

0.8

Output Voltage Low

0.4

pF

15

Three-State Output Capacitance

2.70

5.25

1.2

2.0

Operating mode,

full-scale input (Note 11)

3.5

15

Full power-down

1.2

10

mA

1.6

3.0

V

1.1

SHDN Input Mid Voltage

Positive Supply Current

Positive Supply Voltage

V

µA

30

70

DIGITAL INPUTS (DIN, SCLK, CS, SHDN)

DIGITAL OUTPUTS (DOUT, SSTRB)

POWER REQUIREMENTS

Fast power-down (MAX149)