ADS8350, ADS7850, ADS7250

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SBAS580C – MAY 2013 – REVISED JUNE 2014

6.5 Electrical Characteristics: All Devices

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ANALOG INPUT

Full-scale input range,

AVDD

FSR

V

(AINP_x – AINM_x)

Absolute input voltage,

AVDD

0

V

(AINP_x to REFGND)

Absolute input voltage,

V

(AINM_x to REFGND)

In sample mode

40

pF

Input capacitance

In hold mode

4

pF

Input leakage current

1.5

nA

SAMPLING DYNAMICS

Data rate

750

kSPS

Aperture delay

8

ns

ADC_A to ADC_B

40

ps

Aperture jitter

10

ps

Clock frequency

24

MHz

VOLTAGE REFERENCE INPUT

Reference input voltage

2.25

2.5

V

Reference input current

300

μA

Reference leakage current

1

μA

External ceramic reference

10

μF

capacitance

Input voltage, high

0.7 DVDD

DVDD + 0.3

V

Input voltage, low

–0.3

0.3 DVDD

V

Output voltage, high

0.8 DVDD

DVDD

V

Output voltage, low

0

0.2 DVDD

V

POWER SUPPLY

Analog supply voltage,

AVDD

5.0

5.5

V

AVDD to GND

Digital supply voltage,

DVDD

1.65

5.5

V

DVDD to GND

Analog supply current,

AVDD = 5 V, throughput = max

8

9

mA

during conversion

Analog supply current,

AVDD = 5 V, static

5

7

mA

no conversion

Digital supply current

DVDD = 3.3 V

0.25

mA

AVDD = 5 V, throughput = max

40

45

mW

Power dissipation

AVDD = 5 V, static

25

35

mW

(1)

The AVDD supply voltage defines the permissible voltage swing on the analog input pins. To use the maximum dynamic range of the

(2)

Specified by design; not production tested.

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