ADC912AFP datasheet(4/16 Pages) AD

4 / 16 page

REV. B

ADC912A

–4–

CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily

accumulate on the human body and test equipment and can discharge without detection. Although

the ADC912A features proprietary ESD protection circuitry, permanent damage may occur on

devices subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions are

recommended to avoid performance degradation or loss of functionality.

WARNING!

ESD SENSITIVE DEVICE

ABSOLUTE MAXIMUM RATINGS

(TA = 25

°C, unless otherwise noted)

VDD to DGND . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V

VSS to DGND . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V to –7 V

VREFIN to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . VSS to VDD

AGND to DGND . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V

AIN to AGND . . . . . . . . . . . . . . . . . . . . . . . . –15 V to +15 V

Digital Input Voltage to DGND,

Pins 17, 19–21 . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V

Digital Output Voltage to DGND,

Pins 4–11, 13–16, 18, 22 . . . . . . . . . –0.3 V to VDD + 0.3 V

Table I. Analog Input to Digital Output Code Conversion

Analog Input Voltage

Output Code

0 V to 10 V

–10 V to +10 V

DB11 (MSB) DB0 (LSB)

+FS – 1 LSB

9.9976

9.99951

1111

111 1

+FS – 1 1/2 LSB

9.9964

9.9927

1111

Midscale + 1/2 LSB

5.0012

0.0024

1000

0000

000

Midscale

5.0000

0.0000

1000

0000

000 0

–FS + 1/2 LSB

0.0012

–9.9976

0000

000

–FS

0.0000

–10.000

0000

000 0

*The symbol”

φ” indicates a 0 or 1 with equal probability.

Operating Temperature Range

Extended Industrial: ADC912A/F . . . . . . . –40

°C to +85°C

Storage Temperature . . . . . . . . . . . . . . . . . . –65

°C to +150°C

Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . 300

°C

Maximum Junction Temperature (TJ max) . . . . . . . . . . 150

°C

Package Power Dissipation . . . . . . . . . . . . . . (TJ max–TA)/

θJA

Thermal Resistance

Plastic DIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

°C/W

SOIC-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

°C

ORDERING GUIDE

Temperature

INL

Package

Model

Range

(LSB)

Package Description

Option

ADC912AFP

–40

°C to +85°C

±1

24-Lead Narrow-Body Plastic

N-24

ADC912AFS

–40

°C to +85°C

±1

24-Lead Wide-Body SOIC

R-24

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