ADG3247 datasheet(2/12 Pages) AD

2 / 12 page

PRELIMINARY TECHNICAL DATA

REV. PrD

–2–

ADG3247–SPECIFICATIONS1

(VCC = 2.3 V to 3.6 V, GND = 0 V, all specifications TMIN to TMAX, unless otherwise

noted.)

B Version

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

DC ELECTRICAL CHARACTERISTICS

Input High Voltage

VINH

VCC = 2.7 V to 3.6 V

2.0

VINH

VCC = 2.3 V to 2.7 V

1.7

Input Low Voltage

VINL

VCC = 2.7 V to 3.6 V

0.8

VINL

VCC = 2.3 V to 2.7 V

0.7

Input Leakage Current

±0.01

±1

µA

OFF State Leakage Current

IOZ

A, B

VCC

±0.01

±1

µA

ON State Leakage Current

IOL

A, B

VCC

±0.01

±1

µA

Max Pass Voltage

VA/VB = VCC = SEL = 3.3 V, IO = –5

µA

2.0

2.5

2.9

VA/VB = VCC = SEL = 2.5 V, IO = –5

µA

1.5

1.8

2.1

VA/VB = VCC = 3.3 V, SEL = 0 V, IO = –5

µA

1.5

1.8

2.1

CAPACITANCE

A Port Off Capacitance

CA OFF

f = 1 MHz

B Port Off Capacitance

CB OFF

f = 1 MHz

A, B Port On Capacitance

CA, CB ON f = 1 MHz

Control Input Capacitance

CIN

f = 1 MHz

SWITCHING CHARACTERISTICS

Propagation Delay A to B or B to A, tPD

tPHL, tPLH CL = 50 pF, VCC = SEL = 3 V

0.225

Propagation Delay Matching

22.5

Bus Enable Time

BEx to A or B6

tPZH, tPZL VCC = 3.0 V to 3.6 V; SEL = VCC

3.2

4.8

Bus Disable Time

BEx to A or B6

tPHZ, tPLZ VCC = 3.0 V to 3.6 V; SEL = VCC

3.2

4.8

Bus Enable Time

BEx to A or B6

tPZH, tPZL VCC = 3.0 V to 3.6 V; SEL = 0 V

0.5

2.2

3.3

Bus Disable Time

BEx to A or B6

tPHZ, tPLZ VCC = 3.0 V to 3.6 V; SEL = 0 V

0.5

1.7

2.9

Bus Enable Time

BEx to A or B6

tPZH, tPZL VCC = 2.3 V to 2.7 V;SEL = VCC

0.5

2.2

Bus Disable Time

BEx to A or B6

tPHZ, tPLZ VCC = 2.3 V to 2.7 V; SEL = VCC

0.5

1.75

2.6

Max Data Rate

VCC = SEL = 3.3 V; VA/VB = 2 V

1.244

Gbps

Channel Jitter

VCC = SEL = 3.3 V; VA/VB = 2 V

ps p-p

Operating Frequency—Bus Enable

fBEx

MHz

DIGITAL SWITCH

On Resistance

RON

VCC = 3 V, SEL = VCC, VA = 0 V, IBA = 8 mA

4.5

Ω

VCC = 3 V, SEL = VCC, VA = 1.7 V, IBA = 8 mA

Ω

VCC = 2.3 V, SEL = VCC, VA = 0 V, IBA = 8 mA

Ω

VCC = 2.3 V, SEL = VCC, VA = 1 V, IBA = 8 mA

Ω

VCC = 3 V, SEL = 0 V, VA = 0 V, IBA = 8 mA

Ω

VCC = 3 V, SEL = 0 V, VA = 1 V, IBA = 8 mA

Ω

On Resistance Matching

∆R

VCC = 3 V, SEL = VCC, VA = 0 V, IBA = 8 mA

0.45

Ω

VCC = 3 V, SEL = VCC, VA = 1 V, IBA = 8 mA

0.65

Ω

POWER REQUIREMENTS

VCC

2.3

3.6

Quiescent Power Supply Current

ICC

Digital Inputs = 0 V or VCC; SEL = VCC

0.001

µA

ICC

Digital Inputs = 0 V or VCC; SEL = 0 V

0.65

1.2

Increase in ICC per Input

∆ I

VCC = 3.6 V, BE1 = 3.0 V;

2 = VCC or GND; SEL = VCC

µA

NOTES

1Temperature range is as follows: B Version: –40

°C to +85°C.

2Typical values are at 25

°C, unless otherwise stated.

3Guaranteed by design, not subject to production test.

4The digital switch contributes no propagation delay other than the RC delay of the typical R

ON of the switch and the load capacitance when driven by an ideal voltage

source. Since the time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagation delay to the system. Propagation delay

of the digital switch when used in a system is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side.

5Propagation delay matching between channels is calculated from the on resistance matching and load capacitance of 50 pF.

6See Timing Measurement Information.

7This current applies to the control pins (

BEx) only. The A and B ports contribute no significant ac or dc currents as they transition.

Specifications subject to change without notice.

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