ADS8320

3

SBAS108D

www.ti.com

At –40

°C to +85°C, V

ADS8320E

ADS8320EB

PARAMETER

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

RESOLUTION

16

✻

Bits

ANALOG INPUT

Full-Scale Input Span

+In – (–In)

0

✻✻

V

Absolute Input Range

+In

–0.1

✻✻

V

–In

–0.1

+0.5

✻✻

V

Capacitance

45

✻

pF

Leakage Current

1

✻

nA

SYSTEM PERFORMANCE

No Missing Codes

14

15

Bits

Integral Linearity Error

±0.008

±0.018

±0.006

±0.012 % of FSR

Offset Error

±1

±2

±0.5

±1mV

Offset Temperature Drift

±3

✻

µV/°C

Gain Error

±0.05

±0.024 % of FSR

Gain Temperature Drift

±0.3

✻

ppm/

°C

Noise

20

✻

µVrms

Power-Supply Rejection Ratio

3

✻

SAMPLING DYNAMICS

Conversion Time

16

✻

Clk Cycles

Acquisition Time

4.5

✻

Clk Cycles

Throughput Rate

100

✻

kHz

Clock Frequency Range

0.024

2.4

✻✻

MHz

DYNAMIC CHARACTERISTICS

Total Harmonic Distortion

–86

–88

dB

SINAD

84

86

dB

Spurious-Free Dynamic Range

86

88

dB

SNR

88

90

dB

REFERENCE INPUT

Voltage Range

0.5

✻✻

V

Resistance

5

✻

G

Ω

5

✻

G

Ω

Current Drain

20

50

✻✻

µA

0.1

3

✻✻

µA

DIGITAL INPUT/OUTPUT

Logic Family

CMOS

✻

Logic Levels:

2.0

✻✻

V

–0.3

0.8

✻✻

V

2.1

✻

V

0.4

✻

V

Data Format

Straight Binary

✻

POWER-SUPPLY REQUIREMENTS

Specified Performance

2.7

3.3

✻✻

V

2.0

5.25

✻✻

V

See Note 2

2.0

2.7

✻✻

V

Quiescent Current

650

1300

✻✻

µA

100

✻

µA

Power Dissipation

1.8

3.8

✻✻

mW

Power-Down

0.3

3

✻✻

µA

TEMPERATURE RANGE

Specified Performance

–40

+85

✻✻

°C

✻ Specifications same as ADS8320E.

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

(3) See the

Typical Performance Curves for more information.

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