Data Sheet

ADA4350

Rev. B | Page 5 of 37

±5 V INTERNAL SWITCHING NETWORK AND DIGITAL PINS

Table 3.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

FEEDBACK/SAMPLE ANALOG SWITCH

Analog Signal Range

−5

+5

V

Switch On-Resistance

Feedback

149

196

Ω

195

Ω

149

196

Ω

195

Ω

Sampling

297

356

Ω

390

Ω

297

356

Ω

388

Ω

On-Resistance Match Between Channels

Feedback Resistance

2

15

Ω

Sampling Resistance

2

14

Ω

SWITCH LEAKAGE CURRENTS

Sampling and Feedback Switch Off Leakage

±0.5

±1.7

pA

±40

±120

pA

DYNAMIC CHARACTERISTICS

Power-On Time

DVDD = 5 V

76

ns

DVDD = 3.3 V

80

ns

Power-Off Time

DVDD = 5 V

86

ns

DVDD = 3.3 V

90

ns

Off Isolation

Feedback Switches

−92

dB

Sampling Switches

−118

dB

Channel to Channel Crosstalk

−86

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.