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Data Sheet

AD7322

Rev. B | Page 5 of 36

B Version

Parameter1

Min

Typ

Max

Unit

Test Conditions/Comments

LOGIC INPUTS

Input High Voltage, VINH

2.4

Input Low Voltage, VINL

0.8

VCC = 4.75 V to 5.25 V

0.4

VCC = 2.7 V to 3.6 V

Input Current, IIN

±1

µA

VIN = 0 V or VDRIVE

Input Capacitance, CIN3

LOGIC OUTPUTS

Output High Voltage, VOH

VDRIVE − 0.2

ISOURCE = 200 µA

Output Low Voltage, VOL

0.4

ISINK = 200 µA

Floating-State Leakage Current

±1

µA

Floating-State Output Capacitance3

Output Coding

Straight natural binary

Coding bit set to 1 in control register

Twos complement

Coding bit set to 0 in control register

CONVERSION RATE

Conversion Time

800

16 SCLK cycles with SCLK = 20 MHz

Track-and-Hold Acquisition Time2, 3

305

Full-scale step input; see the Terminology section

Throughput Rate

MSPS

See the Serial Interface section; VCC = 4.75 V to 5.25 V

770

kSPS

VCC < 4.75 V

POWER REQUIREMENTS

Digital inputs = 0 V or VDRIVE

VDD

16.5

See Table 6

VSS

−12

−16.5

See Table 6

VCC

2.7

5.25

See Table 6; typical specifications for VCC < 4.75 V

VDRIVE

2.7

5.25

Normal Mode (Static)

0.9

VDD/VSS = ±16.5 V, VCC/VDRIVE = 5.25 V

Normal Mode (Operational)

fS = 1 MSPS

IDD

360

µA

VDD = 16.5 V

ISS

410

µA

VSS = −16.5 V

ICC and IDRIVE

3.4

VCC/VDRIVE = 5.25 V

Autostandby Mode (Dynamic)

fS = 250 kSPS

IDD

200

µA

VDD = 16.5 V

ISS

210

µA

VSS = −16.5 V

ICC and IDRIVE

1.3

VCC/VDRIVE = 5.25 V

Autoshutdown Mode (Static)

SCLK on or off

IDD

µA

VDD = 16.5 V

ISS

µA

VSS = −16.5 V

ICC and IDRIVE

µA

VCC/VDRIVE = 5.25 V

Full Shutdown Mode

SCLK on or off

IDD

µA

VDD = 16.5 V

ISS

µA

VSS = −16.5 V

ICC and IDRIVE

µA

VCC/VDRIVE = 5.25 V

POWER DISSIPATION

Normal Mode

VDD = 16.5 V, VSS = −16.5 V, VCC = 5.25 V

VDD = 12 V, VSS = −12 V, VCC = 5 V

Full Shutdown Mode

38.25

µW

VDD = 16.5 V, VSS = −16.5 V, VCC = 5.25 V

Temperature range is −40°C to +85°C.

See the Terminology section.

Sample tested during initial release to ensure compliance.

Unipolar 0 V to 10 V range with straight binary output coding.

Bipolar range with twos complement output coding.

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