ADC9708 datasheet(2/8 Pages) NSC

2 / 8 page

Absolute Maximum Ratings (Notes 1 2)

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Supply Voltage (VCC)

18V

Comparator Output (Ramp Stop)

03V to a18V

Analog Input Range

03V to a30V

Digital Input Range

03V to a30V

Output Sink Current

10 mA

Storage Temperature Range

65 Cto a150 C

Continuous Total Dissipation (Note 8)

Ceramic DIP Package

900 mW

Molded DIP Package

1000 mW

ESD Susceptibility (Note 9)

TBD

Pin Temperature

Ceramic DIP (Soldering 60 Sec)

300 C

Molded DIP (Soldering 10 Sec)

260 C

Operating Ratings (Notes 1 2)

Operating Temperature Range

ADC9708CCN ADC9708CCJ

0 Cto a70 C

ADC9708CMJ

55 Cto a125 C

Supply Voltage (VCC)

475V to 15V

Reference Voltage

(VREF) (Note 3)

28V to 525V

Ramp Capacitor (CH)

300 pF

Reference Current (IR)12 mAto50 mA

Analog Input Range

0V to VREF

Ramp Stop Output Current

16 mA

Electrical Characteristics

Over recommended operating conditions VCC e 50V b55 C s TA s a125 C for ADC9708CMJ and 0 C s TA s a70 C for

ADC9708CCJ or ADC9708CCN unless otherwise specified

Symbol

Parameter

Conditions

Typical

Limit

Units

(Note 10)

(Note 11)

(Limit)

Conversion Accuracy

Over Entire Temperature

% (max)

Range (Note 4)

Linearity

Applies to Any One

008

% (max)

Channel (Note 5)

VOSM

Multiplexer Input Offset Voltage

Channel ON TA e 25 C

mV (max)

Channel ON

mV (max)

Conversion Time per Channel

Analog Input e 0V to VREF

296

350

s (max)

CH e 300 pF IREF e 50 mA

Acquisition Time

CH e 1000 pF

s (max)

Acquisition Current

ADC9708CCN CCJ

150

A (min)

ADC9708CMJ

115

A (min)

Ramp Start Delay Time

100

Multiplexer Address Time

VIH

Digital Input HIGH Voltage

A0 A1 A2 Ramp Start

V (min)

VIL

Digital Input LOW Voltage

A0 A1 A2 Ramp Start

Analog Input Current

Channel ON or OFF

A (min)

IIL

Input LOW Current

A0 A1 A2 Ramp Start e 04V

A (min)

IIH

Input HIGH Current

A0 A1 A2 Ramp Start e 55V

A (max)

IOS

Input Offset Current

A (max)

IOH

Comparator Logic ‘‘1’’

VOH e 15V

A (max)

Output Leakage Current

VOL

Comparator Logic ‘‘0’’ Output

IOL e 16 mA

V (max)

Voltage

PSRR

Power Supply Rejection Ratio

(Note 6)

dB (min)

Cross Talk between

(Note 7)

dB (min)

Any Two Channels

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