Edits to Features ...................................................................................1
Rev. E | Page 2 of 12
ADG3257
SPECIFICATIONS
V
CC
= 5.0 V ± 10%, GND = 0 V. All specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 2.
Parameter
1
DC ELECTRICAL CHARACTERISTICS
Input High Voltage
Input Low Voltage
Input Leakage Current
Off State Leakage Current
On State Leakage Current
Maximum Pass Voltage
4
CAPACITANCE
4
A Port Off Capacitance
B Port Off Capacitance
A, B Port On Capacitance
Control Input Capacitance
SWITCHING CHARACTERISTICS
4
Propagation Delay A to B or B to A, t
PD
Propagation Delay Matching
6
Bus Enable Time BE to A or B
Bus Disable Time BE to A or B
Bus Select Time S to A or B
Enable
Disable
Maximum Data Rate
DIGITAL SWITCH
On Resistance
Symbol
V
INH
V
INL
I
I
I
OZ
I
OZ
V
P
C
A
OFF
C
B
OFF
C
A
, C
B
ON
C
IN
t
PHL
, t
PLH 5
t
PZH
, t
PZL
t
PHZ
, t
PLZ
t
SEL_EN
t
SEL_DIS
Conditions
2
B Version
Min
Typ
3
Max
2.4
−0.3
0 ≤ V
IN
≤ 5.5 V
0 ≤ A, B ≤ V
CC
0 ≤ A, B ≤ V
CC
V
IN
= V
CC
= 5 V, I
O
= −5 μA
f = 1 MHz
f = 1 MHz
f = 1 MHz
f = 1 MHz
V
A
= 0 V, C
L
= 50 pF
V
A
= 0 V, C
L
= 50 pF
C
L
= 50 pF, R
L
= 500 Ω
C
L
= 50 pF, R
L
= 500 Ω
C
L
= 50 pF, R
L
= 500 Ω
C
L
= 50 pF, R
L
= 500 Ω
V
A
= 2 V p-p
V
A
= 0 V
I
O
= 48 mA, 15 mA, 8 mA, T
A
= 25°C
I
O
= 48 mA, 15 mA, 8 mA
V
A
= 2.4 V
I
O
= 48 mA, 15 mA, 8 mA, T
A
= 25°C
I
O
= 48 mA, 15 mA, 8 mA
V
A
= 0 V, I
O
= 48 mA, 15 mA, 8 mA
3.0
I
CC
ΔI
CC
Digital inputs = 0 V or V
CC
V
CC
= 5.5 V, one input at 3.0 V; others at V
CC
or GND
0.001
±0.01
±0.01
±0.01
4.2
7
5
11
4
0.10
0.035
7.5
7
12
8
Unit
V
V
μA
μA
μA
V
pF
pF
pF
pF
ns
ns
ns
ns
ns
ns
Mbps
3.9
+0.8
±1
±1
±1
4.4
1
1
0.0075
5
3.5
8
5
933
R
ON
2
4
5
6
7
Ω
Ω
Ω
Ω
Ω
V
μA
μA
3
0.15
On-Resistance Matching
POWER REQUIREMENTS
V
CC
Quiescent Power Supply Current
Increase in I
CC
per Input
4, 7
1
2
ΔR
ON
5.5
1
200
Temperature range is: Version B: –40°C to +85°C.
See Test Circuits section.
3
All typical values are at T
A
= 25°C, unless otherwise noted.
4
Guaranteed by design, not subject to production test.
5
The 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. Because 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.
6
Propagation delay matching between channels is calculated from on-resistance matching of worst-case channel combinations and load capacitance.
7
This current applies to the control pins only and represents the current required to switch internal capacitance at the specified frequency. The A and B ports contribute
no significant ac or dc currents as they transition.
Rev. E | Page 3 of 12
ADG3257
V
CC
= 3.3 V ± 10%, GND = 0 V. All specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 3.
Parameter
DC ELECTRICAL CHARACTERISTICS
Input High Voltage
Input Low Voltage
Input Leakage Current
Off State Leakage Current
On State Leakage Current
Maximum Pass Voltage
4
CAPACITANCE
4
A Port Off Capacitance
B Port Off Capacitance
A, B Port On Capacitance
Control Input Capacitance
SWITCHING CHARACTERISTICS
4
Propagation Delay A to B or B to A, t
PD
Propagation Delay Matching
6
Bus Enable Time BE to A or B
Bus Disable Time BE to A or B
Bus Select Time S to A or B
Enable
Disable
Maximum Data Rate
DIGITAL SWITCH
On Resistance
1
Symbol
V
INH
V
INL
I
I
I
OZ
I
OZ
V
P
C
A
OFF
C
B
OFF
C
A
, C
B
ON
C
IN
t
PHL
, t
PLH 5
t
PZH
, t
PZL
t
PHZ
, t
PLZ
t
SEL_EN
t
SEL_DIS
Conditions
2
B Version
Min Typ
3
Max
2.0
−0.3
Unit
V
V
μA
μA
μA
V
pF
pF
pF
pF
0 ≤ V
IN
≤ 3.6 V
0 ≤ A, B ≤ V
CC
0 ≤ A, B ≤ V
CC
V
IN
= V
CC
= 3.3 V, I
O
= −5 μA
f = 1 MHz
f = 1 MHz
f = 1 MHz
f = 1 MHz
V
A
= 0 V, C
L
= 50 pF
V
A
= 0 V, C
L
= 50 pF
C
L
= 50 pF, R
L
= 500 Ω
C
L
= 50 pF, R
L
= 500 Ω
C
L
= 50 pF, R
L
= 500 Ω
C
L
= 50 pF, R
L
= 500 Ω
V
A
= 2 V p-p
V
A
= 0 V, I
O
= 15 mA, 8 mA, T
A
= 25°C
V
A
= 0 V, I
o
= 15 mA, 8 mA
V
A
= 1 V, I
O
= 15 mA, 8 mA, T
A
= 25°C
V
A
= 1 V, I
o
= 15 mA, 8 mA
V
A
= 0 V, I
O
= 15 mA, 8 mA
2.3
±0.01
±0.01
±0.01
2.6
7
5
11
4
+0.8
±1
±1
±1
2.8
1
1
0.01
5.5
4.5
8
6
933
2
4
0.2
0.10
0.04
9
8.5
12
9
ns
ns
ns
ns
ns
ns
Mbps
Ω
Ω
Ω
Ω
Ω
V
μA
μA
R
ON
4
5
7
8
On-Resistance Matching
POWER REQUIREMENTS
V
CC
Quiescent Power Supply Current
Increase in I
CC
per Input
4, 7
1
2
ΔR
ON
3.0
I
CC
ΔI
CC
Digital inputs = 0 V or V
CC
V
CC
= 3.3 V, one input at 3.0 V; others at V
CC
or GND
0.001
5.5
1
200
Temperature range is: Version B: −40°C to +85°C.
See Test Circuits section.
3
All typical values are at T
A
= 25°C, unless otherwise noted.
4
Guaranteed by design, not subject to production test.
5
The 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. Because 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.
6
Propagation delay matching between channels is calculated from on-resistance matching of worst-case channel combinations and load capacitance.
7
This current applies to the control pins only and represents the current required to switch internal capacitance at the specified frequency. The A and B ports contribute
no significant ac or dc currents as they transition.
Rev. E | Page 4 of 12
ADG3257
ABSOLUTE MAXIMUM RATINGS
T
A
= 25°C, unless otherwise noted.
Table 4.
Parameter
V
CC
to GND
Digital Inputs to GND
DC Input Voltage
DC Output Current
Operating Temperature Range
Industrial (B Version)
Storage Temperature Range
Junction Temperature
QSOP Package
θ
JA
Thermal Impedance
Lead Soldering
Lead Temperature, Soldering (10 sec)
IR Reflow, Peak Temperature (<20 sec)
Soldering (Pb-Free)
Reflow, Peak Temperature
Time at Peak Temperature
Rating
−0.3 V to +6 V
−0.3 V to +6 V
−0.3 V to +6 V
100 mA
−40°C to +85°C
−65°C to +150°C
150°C
149.97°C/W
300°C
220°C
260(+0/−5)°C
20 sec to 40 sec
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational sec-
tion of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
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