ADS8320-HT

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SBAS521B – DECEMBER 2010 – REVISED SEPTEMBER 2012

ELECTRICAL CHARACTERISTICS (continued)

CONDITIONS

(1)

UNIT

PARAMETER

MIN

TYP

MAX

MIN

TYP

MAX

Sampling Dynamics

Conversion time

16

16

Clk cycles

Acquisition time

4.5

4.5

Clk cycles

Throughput rate

100

100

kHz

Clock frequency range

0.02

2.4

0.02

2.4

MHz

Dynamic Characteristics

Total harmonic distortion

-86

-82

dB

SINAD

84

79

dB

Spurious-free dynamic range

86

82

dB

SNR

88

83

dB

Reference Input

Voltage range

0.5

0.5

V

5

5

Resistance

G

Ω

5

5

20

50

25

55

Current drain

µA

0.1

7

0.9

12

Digital Input/Output

Logic family

CMOS

CMOS

2

2

V

-0.3

0.8

-0.3

0.8

V

Logic Levels

2.1

2.1

V

0.4

0.4

V

Data format

Straight binary

Power Supply Requirements

Specified performance

2.7

3.3

2.7

3.3

V

2

5.25

2

5.25

(3)

V

2

2.7

2

2.7

850

1300

650

1300

Quiescent current

µA

(5) (6)

100

100

Power dissipation

2.3

3.8

1.75

3.8

mW

Power-down

0.3

4

6

µA

Temperature Range

Specified performance

-55

125

-55

210

°C

(3)

See the Typical Performance Curves for more information.

(4)

The maximum clock rate of the ADS8320 is less than 2.4 MHz in this power supply range.

(5)

(6)

See the Power Dissipation section for more information regarding lower sample rates.

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