MAX1113CPE 查看數據表（PDF） - Maxim Integrated

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MAX1113CPE

+5V, Low-Power, Multi-Channel, Serial 8-Bit ADCs

Maxim Integrated 

+5V, Low-Power, Multi-Channel,

Serial 8-Bit ADCs

ELECTRICAL CHARACTERISTICS (continued)

(VDD = +4.5V to +5.5V; unipolar input mode; COM = 0V; fSCLK = 500kHz, external clock (50% duty cycle); 10 clocks/conversion

cycle (50ksps); 1µF capacitor at REFOUT; TA = TMIN to TMAX; unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

CONVERSION RATE

Conversion Time (Note 4)

Internal clock

tCONV External clock, 500kHz, 10 clocks/conversion 20

Track/Hold Acquisition Time

tACQ External clock, 2MHz

1

Aperture Delay

Aperture Jitter

Internal Clock Frequency

(Note 5)

50

External Clock-Frequency Range

Used for data transfer only

ANALOG INPUT

Unipolar input, COM = 0V

0

Input Voltage Range, Single-

Ended and Differential (Note 6)

Bipolar input, COM = VREFIN / 2

Multiplexer Leakage Current

Input Capacitance

INTERNAL REFERENCE

REFOUT Voltage

On/off leakage current, VCH_ = 0V or VDD

3.936

TYP MAX UNITS

25

55

µs

µs

10

ns

<50

ps

400

kHz

500 kHz

2

MHz

VREFIN

COM ±

V

VREFIN / 2

±0.01 ±1

µA

18

pF

4.096 4.256

V

REFOUT Short-Circuit Current

REFOUT Temperature Coefficient

Load Regulation (Note 7)

Capacitive Bypass at REFOUT

EXTERNAL REFERENCE AT REFIN

0mA to 0.5mA output load

6

±50

4.5

1

mA

ppm/°C

mV

µF

Input Voltage Range

1

VDD +

50mV

V

Input Current

POWER REQUIREMENTS

(Note 8)

1

20

µA

Supply Voltage

Supply Current

VDD

Full-scale input

CLOAD = 10pF

IDD

Power-down

4.5

5.5

V

Operating mode

135

250

Reference disabled

95

µA

µA

Software

2

SHDN at DGND

3.2

10

Power-Supply Rejection

(Note 9)

PSR

VDD = 4.5V to 5.5V; external reference,

4.096V; full-scale input

±0.4

±4

mV

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