ADA4350

Data Sheet

Rev. B | Page 10 of 37

5 V INTERNAL SWITCHING NETWORK AND DIGITAL PINS

Table 7.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

FEEDBACK/SAMPLE ANALOG SWITCH

Analog Signal Range

0

5

V

Switch On Resistance

Feedback

308

390

Ω

382

Ω

308

390

Ω

384

Ω

Sampling

610

770

Ω

762

Ω

612

770

Ω

764

Ω

On-Resistance Match Between Channels

Feedback Resistance

3

21

Ω

Sampling Resistance

3

23

Ω

SWITCH LEAKAGE CURRENTS

Sampling and Feedback Switch Off Leakage

±0.4

±1.2

pA

±30

±80

pA

DYNAMIC CHARACTERISTICS

Power-On Time

DVDD = 3.3 V

105

ns

Power-Off Time

DVDD = 3.3 V

65

ns

Off Isolation

Feedback Switches

−93

dB

Sampling Switches

−116

dB

Channel to Channel Crosstalk

−83

dB

Worst Case Switch Feedback Capacitance (Switch Off)

0.1

pF

THRESHOLD VOLTAGES FOR DIGITAL INPUT PINS

EN, MODE, DGND, LATCH/P0,

Input High Voltage

DVDD = 5 V

2.0

V

DVDD = 3.3 V

1.5

V

Input Low Voltage

DVDD = 5 V

1.4

V

DVDD = 3.3 V

1.0

V

DIGITAL SUPPLIES

DVDD, DGND

Digital Supply Range

3.3

5.5

V

Quiescent Current

Enabled

50

µA

Disabled

0.6

µA

≥3.3

V

1

When referring to a single function of a multifunction pin, only the portion of the pin name that is relevant to the specification is listed. For full pin names of

multifunction pins, refer to the Pin Configuration and Function Descriptions section.