MAX192ACAP Просмотр технического описания (PDF) - Maxim Integrated

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MAX192ACAP

Low-Power, 8-Channel,Serial 10-Bit ADC

Maxim Integrated 

Low-Power, 8-Channel,

Serial 10-Bit ADC

ELECTRICAL CHARACTERISTICS (continued)

(VDD = 5V ±5%, fCLK = 2.0MHz, external clock (50% duty cycle), 15 clocks/conversion cycle (133ksps), 4.7µF capacitor at VREF pin,

TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

External Clock Frequency

ANALOG INPUT

Analog Input Voltage

(Note 6)

SYMBOL

CONDITIONS

External compensation, 4.7µF

Internal compensation (Note 5)

Used for data transfer only

Common-mode range (any input)

Single-ended range (unipolar only)

Unipolar

Differential range

Bipolar

Multiplexer Leakage Current

On/off leakage current; VIN = 0V, 5V

Input Capacitance

(Note 5)

INTERNAL REFERENCE (reference buffer enabled)

VREF Output Voltage

TA = +25°C (Note 7)

VREF Short-Circuit Current

VREF Tempco

Load Regulation (Note 8)

0mA to 0.5mA output load

Capacitive Bypass at VREF

Internal compensation

External compensation

Capacitive Bypass at REFADJ

Internal compensation

External compensation

REFADJ Adjustment Range

EXTERNAL REFERENCE AT VREF (buffer disabled, VREF = 4.096V)

Input Voltage Range

Input Current

Input Resistance

Shutdown VREF Input Current

Buffer Disable Threshold

REFADJ

EXTERNAL REFERENCE AT REFADJ

Capacitive Bypass at VREF

Reference-Buffer Gain

REFADJ Input Current

Internal compensation mode

External compensation mode

MIN TYP MAX UNITS

0.1

2.0

0.1

0.4 MHz

10

0

VDD

0

VREF

0

VREF

V

-VREF

-2

+VREF

2

±0.01 ±1

µA

16

pF

4.066

0

4.7

0.01

0.01

4.096

±30

2.5

±1.5

4.126

30

V

mA

ppm/°C

mV

µF

µF

%

2.5

VDD +

50mV

V

200

350

µA

12

20

kΩ

1.5

10

µA

VDD -

50mV

V

0

µF

4.7

1.678

V/V

±50

µA

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