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ADG3247 Datasheet(PDF) 2 Page - Analog Devices

No. de pieza ADG3247
Descripción Electrónicos  2.5 V/3.3 V, 16-Bit, 2-Port Level Translating, Bus Switch
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
Logo AD - Analog Devices

ADG3247 Datasheet(HTML) 2 Page - Analog Devices

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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
2
Max
Unit
DC ELECTRICAL CHARACTERISTICS
Input High Voltage
VINH
VCC = 2.7 V to 3.6 V
2.0
V
VINH
VCC = 2.3 V to 2.7 V
1.7
V
Input Low Voltage
VINL
VCC = 2.7 V to 3.6 V
0.8
V
VINL
VCC = 2.3 V to 2.7 V
0.7
V
Input Leakage Current
II
±0.01
±1
µA
OFF State Leakage Current
IOZ
0
A, B
VCC
±0.01
±1
µA
ON State Leakage Current
IOL
0
A, B
VCC
±0.01
±1
µA
Max Pass Voltage
VP
VA/VB = VCC = SEL = 3.3 V, IO = –5
µA
2.0
2.5
2.9
V
VA/VB = VCC = SEL = 2.5 V, IO = –5
µA
1.5
1.8
2.1
V
VA/VB = VCC = 3.3 V, SEL = 0 V, IO = –5
µA
1.5
1.8
2.1
V
CAPACITANCE
3
A Port Off Capacitance
CA OFF
f = 1 MHz
5
pF
B Port Off Capacitance
CB OFF
f = 1 MHz
5
pF
A, B Port On Capacitance
CA, CB ON f = 1 MHz
10
pF
Control Input Capacitance
CIN
f = 1 MHz
6
pF
SWITCHING CHARACTERISTICS
3
Propagation Delay A to B or B to A, tPD
4
tPHL, tPLH CL = 50 pF, VCC = SEL = 3 V
0.225
ns
Propagation Delay Matching
5
22.5
ps
Bus Enable Time
BEx to A or B6
tPZH, tPZL VCC = 3.0 V to 3.6 V; SEL = VCC
1
3.2
4.8
ns
Bus Disable Time
BEx to A or B6
tPHZ, tPLZ VCC = 3.0 V to 3.6 V; SEL = VCC
1
3.2
4.8
ns
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
ns
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
ns
Bus Enable Time
BEx to A or B6
tPZH, tPZL VCC = 2.3 V to 2.7 V;SEL = VCC
0.5
2.2
3
ns
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
ns
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
50
ps p-p
Operating Frequency—Bus Enable
fBEx
10
MHz
DIGITAL SWITCH
On Resistance
RON
VCC = 3 V, SEL = VCC, VA = 0 V, IBA = 8 mA
4.5
8
VCC = 3 V, SEL = VCC, VA = 1.7 V, IBA = 8 mA
15
28
VCC = 2.3 V, SEL = VCC, VA = 0 V, IBA = 8 mA
59
VCC = 2.3 V, SEL = VCC, VA = 1 V, IBA = 8 mA
11
18
VCC = 3 V, SEL = 0 V, VA = 0 V, IBA = 8 mA
58
VCC = 3 V, SEL = 0 V, VA = 1 V, IBA = 8 mA
14
On Resistance Matching
∆R
ON
VCC = 3 V, SEL = VCC, VA = 0 V, IBA = 8 mA
0.45
VCC = 3 V, SEL = VCC, VA = 1 V, IBA = 8 mA
0.65
POWER REQUIREMENTS
VCC
2.3
3.6
V
Quiescent Power Supply Current
ICC
Digital Inputs = 0 V or VCC; SEL = VCC
0.001
1
µA
ICC
Digital Inputs = 0 V or VCC; SEL = 0 V
0.65
1.2
mA
Increase in ICC per Input
7
∆ I
CC
VCC = 3.6 V, BE1 = 3.0 V;
BE
2 = VCC or GND; SEL = VCC
85
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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