MAX1204ACAP(2012) Просмотр технического описания (PDF) - Maxim Integrated

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MAX1204ACAP
(Rev.:2012)

5V, 8-Channel, Serial, 10-Bit ADC with 3V Digital Interface

Maxim Integrated 

MAX1204

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

with 3V Digital Interface

ELECTRICAL CHARACTERISTICS (continued)

(VDD = +5V ±5%, VL = 2.7V to 3.6V; VSS = 0V or -5V ±5%; fSCLK = 2.0MHz, external clock (50% duty cycle); 15 clocks/conversion

cycle (133ksps); 4.7µF capacitor at REF; TA = TMIN to TMAX; unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

CONVERSION RATE

Conversion Time (Note 5)

Internal clock

5.5

tCONV External clock, 2MHz, 12 clocks/conversion

6

10

µs

Track/Hold Acquisition Time

tACQ

1.5

µs

Aperture Delay

10

ns

Aperture Jitter

<50

ps

Internal Clock Frequency

1.7

MHz

External compensation mode, 4.7µF

0.1

2.0

External Clock-Frequency Range

Internal compensation mode (Note 6)

0.1

0.4 MHz

Used for data transfer only

0

2.0

ANALOG INPUT

Input Voltage Range, Single-

Ended and Differential (Note 7)

Unipolar, VSS = 0V

Bipolar, VSS = -5V

Multiplexer Leakage Current

On/off leakage current, VCH_ = ±5V

Input Capacitance

(Note 6)

INTERNAL REFERENCE

REF Output Voltage

TA = +25°C

REF Short-Circuit Current

MAX1204AC

VREF Temperature Coefficient

MAX1204AE

MAX1204B

Load Regulation (Note 8)

0mA to 0.5mA output load

Capacitive Bypass at REF

Internal compensation mode

External compensation mode

Capacitive Bypass at REFADJ

REFADJ Adjustment Range

EXTERNAL REFERENCE AT REF (Buffer disabled, VREF = 4.096V)

Input Voltage Range

VREF

V

±VREF / 2

±0.01 ±1

µA

16

pF

4.076

0

4.7

0.01

4.096

±30

±30

±30

2.5

4.116

30

±50

±60

V

mA

ppm/°C

mV

µF

µF

±1.5

%

2.50

VDD +

50mV

V

Input Current

Input Resistance

REF Input Current in Shutdown

REFADJ Buffer Disable Threshold

VSHDN = 0V

200

350

µA

12

20

kΩ

1.5

10

µA

VDD -

50mV

V

Maxim Integrated

3

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