ADC08238CIN datasheet(4/24 Pages) NSC

Part #	ADC08238CIN

Description	8-Bit 2 ms Serial I/O A/D Converters with MUX, Reference, and Track/Hold

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Manufacturer	NSC [National Semiconductor (TI)]

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Electrical Characteristics (Continued)

The following specifications apply for VCC ea5VDC VREF ea25 VDC and fCLK e 4 MHz Rsource e 50X unless otherwise

specified Boldface limits apply for TA e TJ e TMIN to TMAX all other limits TA e TJ e 25 C

ADC08231

ADC08234 and

ADC08238 with BIN

Units

Symbol

Parameter

Conditions

CIN BIWM

(Limits)

CIWM or CIMF Suffixes

Typical

Limits

(Note 8)

(Note 9)

CONVERTER AND MULTIPLEXER CHARACTERISTICS

(Continued)

DC Common-Mode Error

VREF ea25 VDC

g

LSB (max)

Power Supply Sensitivity

VCC ea5V g5%

g

LSB (max)

VREF ea25 VDC

On Channel Leakage

On Channel e 5V

02

m

A (max)

Current (Note 13)

Off Channel e 0V

1

On Channel e 0V

b

02

m

A (max)

Off Channel e 5V

b

1

Off Channel Leakage

On Channel e 5V

b

02

m

A (max)

Current (Note 13)

Off Channel e 0V

b

1

On Channel e 0V

02

m

A (max)

Off Channel e 5V

1

DYNAMIC CHARACTERISTICS

(see Typical Converter Performance Characteristics)

S

NaD

Signal-to-

VREF ea5V

(Noise a Distortion)

Sample Rate e 286 kHz

Ratio

VIN ea5Vp-p

fIN e 10 kHz

4835

dB

fIN e 50 kHz

4800

dB

fIN e 100 kHz

4740

dB

DIGITAL AND DC CHARACTERISTICS

VIN(1)

Logical ‘‘1’’ Input Voltage

VCC e 525V

20

V (min)

VIN(0)

Logical ‘‘0’’ Input Voltage

VCC e 475V

08

V (max)

IIN(1)

Logical ‘‘1’’ Input Current

VIN e 50V

1

m

A (max)

IIN(0)

Logical ‘‘0’’ Input Current

VIN e 0V

b

1

m

A (max)

VOUT(1)

Logical ‘‘1’’ Output Voltage

VCC e 475V

IOUT eb360 mA

24

V (min)

IOUT eb10 mA

45

V (min)

VOUT(0)

Logical ‘‘0’’ Output Voltage

VCC e 475V

04

V (max)

IOUT e 16 mA

IOUT

TRI-STATE Output Current

VOUT e 0V

b

30

m

A (max)

VOUT e 5V

30

m

A (max)

ISOURCE

Output Source Current

VOUT e 0V

b

65

mA (min)

ISINK

Output Sink Current

VOUT e VCC

80

mA (min)

ICC

Supply Current

CS e HIGH

ADC08234 ADC08238

30

mA (max)

ADC08231 (Note 16)

60

mA (max)

4

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ADC08238CIN Datasheet(PDF) 4 Page - National Semiconductor (TI)

ADC08238CIN Datasheet(HTML) 4 Page - National Semiconductor (TI)

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