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ADG3249BRJ-R2

P1-P3P4-P6P7-P9P10-P12P13-P13
REV. 0–6–
ADG3249
V
OUT
(V)
1.5
2.0
2.5
3.0
V
CC
= 3.3V; SEL = 0V
V
CC
= SEL = 3.3V
T
A
= 25C
V
A
= 0V
EN = 0
V
CC
= SEL = 2.5V
I
O
(A)
0
0.5
1.0
0.02 0.04 0.06 0.08 0.100
TPC 10. Output Low Characteristic
T
A
= 25C
V
CC
= 3.3V/2.5V
SEL = V
CC
V
IN
= 0dBm
N/W ANALYZER:
R
L
= R
S
= 50
0
1
–2
–1
–4
–3
0.03 0.1 1.0
FREQUENCY
(
MHz
)
ATTENUATION (dB)
10 100
0
100
–6
–7
–5
–8
TPC 13. Bandwidth vs. Frequency
V
CC
= SEL = 3.3V
ENABLE
ENABLE
DISABLE
DISABLE
V
CC
= 3.3V, SEL = 0V
6
5
–40 –20 0
TEMPERATURE (C)
TIME (ns)
20 806040
4
3
2
1
0
TPC 16. Enable/Disable Time
vs. Temperature
I
O
(A)
V
OUT
(V)
0
–0.10
0.5
1.0
1.5
2.0
2.5
3.0
T
A
= 25C
V
A
= V
CC
EN = 0
V
CC
= SEL = 2.5V
V
CC
= 3.3V; SEL = 0V
V
CC
= SEL = 3.3V
–0.08 –0.06 –0.04 –0.02 0
TPC 11. Output High Characteristic
T
A
= 25C
V
CC
= 3.3V/2.5V
SEL = V
CC
V
IN
= 0dBm
N/W ANALYZER:
R
L
= R
S
= 50
–10
0
–30
–20
–50
–40
0.03 0.1 1.0
FREQUENCY
(
MHz
)
ATTENUATION (dB)
10 100
0
100
–70
–80
–60
–100
–90
TPC 14. Crosstalk vs. Frequency
V
CC
= SEL = 2.5V
ENABLE
DISABLE
4.0
3.5
3.0
–40 –20 0
TEMPERATURE (C)
TIME (ns)
20 806040
2.5
2.0
1.5
1.0
0.5
0
TPC 17. Enable/Disable Time
vs. Temperature
V
CC
= 2.5V
V
CC
= 3.3V
T
A
= 25C
SEL = V
CC
ON = OFF
C
L
= INF.
V
A
/V
B
(V)
Q
INJ
(pC)
–1.4
0
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.5 1.0 1.5 2.52.0 3.0 3.
5
TPC 12. Charge Injection vs.
Source Voltage
T
A
= 25C
V
CC
= 3.3V/2.5V
SEL = V
CC
V
IN
= 0dBm
N/W ANALYZER:
R
L
= R
S
= 50
–10
0
–30
–20
–50
–40
0.03 0.1 1.0
FREQUENCY (MHz)
ATTENUATION (dB)
10 1000100
–70
–80
–60
–100
–90
TPC 15. Off Isolation vs.
Frequency
DATA RATE (Gbps)
JITTER (ps p-p)
0.5
60
70
80
90
100
50
40
30
20
10
0
V
CC
= SEL = 3.3V
V
IN
= 1.5V p-p
20dB ATTENUATION
0.7 0.9 1.1 1.3 1.5 1.7 1.9
TPC 18. Jitter vs. Data Rate;
PRBS 31
REV. 0
ADG3249
–7–
DATA RATE (Gbps)
EYE WIDTH (%)
0.5
60
70
80
85
90
95
100
75
65
55
50
1.51.31.10.90.7 1.7 1.9
V
CC
= SEL = 3.3V
V
IN
= 1.5V p-p
20dB ATTENUATION
% EYE WIDTH = ((CLOCK PERIOD –
JITTER p-p)/CLOCK PERIOD) 100%
TPC 19. Eye Width vs. Data
Rate; PRBS 31
38.7mV/DIV
133.7ps/DIV
V
CC
= 3.3V
SEL = 3.3V
V
IN
= 2V p-p
20dB
ATTENUATION
T
A
= 25C
TPC 20. Eye Pattern; 1.244 Gbps,
V
CC
= 3.3 V, PRBS 31
20mV/DIV
166.3ps/DIV
V
CC
= 2.5V
SEL = 2.5V
V
IN
= 1V p-p
20dB
ATTENUATION
T
A
= 25C
TPC 21. Eye Pattern; 1 Gbps,
V
CC
= 2.5 V, PRBS 31
REV. 0–8–
ADG3249
For the following load circuit and waveforms, the notation that is used is V
IN
and V
OUT
where
VVand V V or V V and V V
IN A OUT B IN B OUT A
====
CONTROL
INPUT EN
0V
t
PLH
V
OUT
V
T
V
IH
V
H
V
T
V
L
t
PLH
Figure 2. Propagation Delay
V
CC
V
IN
V
OUT
C
L
R
L
R
L
SW1
GND
2 V
CC
R
T
DUT
PULSE
GENERATOR
NOTES
PULSE GENERATOR FOR ALL PULSES: t
R
2.5ns, t
F
2.5ns,
FREQUENCY
10MHz.
C
L
INCLUDES BOARD, STRAY, AND LOAD CAPACITANCES.
R
T
IS THE TERMINATION RESISTOR, SHOULD BE EQUAL TO Z
OUT
OF THE PULSE GENERATOR.
Figure 1. Load Circuit
TIMING MEASUREMENT INFORMATION
ENABLE
DISABLE
CONTROL INPUT EN
V
IN
= 0V
V
IN
= V
CC
V
OUT
SW1 @ 2V
CC
V
OUT
SW1 @ GND
t
PLZ
t
PZH
t
PHZ
t
PZL
V
T
0V
V
CC
V
T
V
H
V
H
–V
V
L
V
L
+
V
V
CC
0V
V
T
V
INH
0V
Figure 3. Enable and Disable Times
Table III. Switch Position
Test S1
t
PLZ
, t
PZL
2 × V
CC
t
PHZ
, t
PZH
GND
Test Conditions
Symbol V
CC
= 3.3 V ± 0.3 V (SEL = V
CC
)V
CC
= 2.5 V ± 0.2 V (SEL = V
CC
)V
CC
= 3.3 V ± 0.3 V (SEL = 0 V) Unit
R
L
500 500 500 Ω
V
⌬
300 150 150 mV
C
L
50 30 30 pF
V
T
1.5 0.9 0.9 V
P1-P3P4-P6P7-P9P10-P12P13-P13

ADG3249BRJ-R2

Mfr. #:
Buy ADG3249BRJ-R2
Manufacturer:
Analog Devices Inc.
Description:
Multiplexer Switch ICs 2.5V/3.3V 2:1 w/ Bus Switch
Lifecycle:
New from this manufacturer.
Delivery:
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