5V, 8-Channel, Serial, 10-Bit ADC

with 3V Digital Interface

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3

ELECTRICAL CHARACTERISTICS (continued)

MAX1204AC

External clock, 2MHz, 12 clocks/conversion

(Note 6)

6

Used for data transfer only

Internal compensation mode (Note 6)

Internal clock

External compensation mode, 4.7µF

CONDITIONS

ppm/°C

±30

±50

mA

30

REF Short-Circuit Current

V

4.076

4.096

4.116

REF Output Voltage

pF

16

Input Capacitance

µA

±0.01

±1

Multiplexer Leakage Current

V

Input Voltage Range, Single-

Ended and Differential (Note 7)

0

2.0

0.1

0.4

MHz

0.1

2.0

External Clock-Frequency Range

MHz

1.7

Internal Clock Frequency

ns

10

Aperture Delay

µs

1.5

Track/Hold Acquisition Time

µs

5.5

10

Conversion Time (Note 5)

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

MAX1204AE

±30

±60

±30

MAX1204B

0mA to 0.5mA output load

mV

2.5

Load Regulation (Note 8)

Internal compensation mode

µF

0

Capacitive Bypass at REF

External compensation mode

4.7

µF

0.01

Capacitive Bypass at REFADJ

%

±1.5

REFADJ Adjustment Range

V

2.50

50mV

Input Voltage Range

µA

200

350

Input Current

k

Ω

12

20

Input Resistance

SHDN = 0V

µA

1.5

10

REF Input Current in Shutdown

V

50mV

REFADJ Buffer Disable Threshold

ps

<50

Aperture Jitter

CONVERSION RATE

INTERNAL REFERENCE

ANALOG INPUT