ADG787 datasheet(3/16 Pages) AD | 2.5 OHM CMOS Low Power Dual 2:1 Mux/Demux USB 1.1 Switch

3 page

ADG787

Rev. A | Page 3 of 16

SPECIFICATIONS

VDD = 4.2 V to 5.5 V, GND = 0 V, unless otherwise noted.

Table 1.

Parameter

+25°C

B Version1

Unit

Test Conditions/Comments

ANALOG SWITCH

Analog Signal Range

0 to VDD

On Resistance (RON)

2.5

Ω typ

VDD = 4.2 V, VS = 0 V to VDD, IS = 10 mA

3.45

Ω max

See Figure 28

On Resistance Match Between Channels (ΔRON)

0.02

Ω typ

VDD = 4.2 V, VS = 3.5 V, IS = 10 mA

0.1

Ω max

On Resistance Flatness (RFLAT (ON))

0.65

Ω typ

VDD = 4.2 V, VS = 0 V to VDD

0.8

0.95

Ω max

IS = 10 mA

LEAKAGE CURRENTS

VDD = 5.5 V

Source Off Leakage, IS (OFF)

±0.05

nA typ

VS = 1 V/4.5 V, VD = 4.5 V/1 V; see Figure 29

Channel On Leakage, ID, IS (ON)

±0.05

nA typ

VS = VD = 1 V or 4.5 V; see Figure 30

DIGITAL INPUTS

Input High Voltage, VINH

2.0

V min

Input Low Voltage, VINL

0.8

V max

Input Current

IINL or IINH

0.005

μA typ

VIN = VINL or VINH

±0.1

μA max

CIN, Digital Input Capacitance

2.5

pF typ

DYNAMIC CHARACTERISTICS2

tON

ns typ

RL = 50 Ω, CL = 35 pF

ns max

VS = 3 V; see Figure 31

tOFF

ns typ

RL = 50 Ω, CL = 35 pF

ns max

VS = 3 V; see Figure 31

Propagation Delay Skew, tSKEW

0.06

ns typ

CL = 50 pF; VS = 3 V

0.15

ns max

Break-Before-Make Time Delay (tBBM)

ns typ

RL = 50 Ω, CL = 35 pF

ns min

VS1 = VS2 = 3 V; see Figure 32

Charge Injection

pC typ

VD = 1 V, RS = 0 Ω, CL = 1 nF; see Figure 33

Off Isolation

−63

dB typ

RL = 50 Ω, CL = 5 pF, f = 1 MHz; see Figure 34

Channel-to-Channel Crosstalk

−110

dB typ

S1A to S2A/S1B to S2B; RL = 50 Ω, CL = 5 pF,

f = 1 MHz; see Figure 37

−63

dB typ

S1A to S1B/S2A to S2B; RL = 50 Ω, CL = 5 pF,

f = 1 MHz; see Figure 36

Total Harmonic Distortion (THD + N)

0.03

RL = 32 Ω, f = 20 Hz to 20 kHz, VS = 2 V p-p

Insertion Loss

−0.2

dB typ

RL = 50 Ω, CL = 5 pF; see Figure 36

−3 dB Bandwidth

145

MHz typ

RL = 50 Ω, CL = 5 pF; see Figure 36

CS (OFF)

pF typ

CD, CS (ON)

pF typ

POWER REQUIREMENTS

VDD = 5.5 V

IDD

0.005

μA typ

Digital inputs = 0 V or 5.5 V

μA max

1 Temperature ranges: B version: −40°C to +85°C for the MSOP and LFCSP packages, and −25°C to +85°C for the WLCSP package.

2 Guaranteed by design, not production tested.

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