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ADV3227 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer ADV3227
Beschreibung 16 x 16 Analog Crosspoint Switch
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 24 Seiten
ADV3227 Datasheet, Funktion
Data Sheet
FEATURES
16 × 16 high speed, nonblocking switch array
Pinout and functionally equivalent to the AD8114/AD8115
Complete solution
Buffered inputs
Programmable high impedance outputs
16 output amplifiers, G = +1 (ADV3226), G = +2 (ADV3227)
Drives 150 Ω loads
Operates on ±5 V supplies
Low power: 1.3 W
Excellent ac performance
−3 dB bandwidth
200 mV p-p: 820 MHz (ADV3226), 750 MHz (ADV3227)
2 V p-p: 600 MHz (ADV3226), 750 MHz (ADV3227)
Slew rate: 2150 V/μs (ADV3226), 2950 V/μs (ADV3227)
Serial or parallel programming of switch array
100-lead LFCSP (12 mm × 12 mm)
APPLICATIONS
Routing of high speed signals including
Video (NTSC, PAL, S, SECAM, YUV, RGB)
Compressed video (MPEG, wavelet)
3-level digital video (HDB3)
Data communications
Telecommunications
GENERAL DESCRIPTION
The ADV3226/ADV3227 are high speed 16 × 16 analog crosspoint
switch matrices. They offer a −3 dB signal bandwidth greater
than 750 MHz and channel switch times of less than 20 ns with
1% settling.
The ADV3226/ADV3227 include 16 independent output buffers
that can be placed into a high impedance state for paralleling
crosspoint outputs to prevent off channels from loading the
output bus. The ADV3226 has a gain of +1 and the ADV3227
has a gain of +2. They both operate on voltage supplies of ±5 V
750 MHz, 16 × 16
Analog Crosspoint Switch
ADV3226/ADV3227
CLK
DATAIN
UPDATE
CE
RESET
FUNCTIONAL BLOCK DIAGRAM
SER/PAR D0 D1 D2 D3 D4
80-BIT SHIFT REGISTER
WITH 5-BIT
PARALLEL LOADING
A0
A1
A2
A3
DATAOUT
80
PARALLEL LATCH
80
DECODE
16 × 5:16 DECODERS
SET INDIVIDUAL
OR RESET ALL
OUTPUTS TO OFF
16
ADV3226/
ADV3227
OUTPUT
256
BUFFER
G = +1,
G = +2
SWITCH
MATRIX
Figure 1.
while consuming only 118 mA (ADV3226) and 133 mA
(ADV3227) of idle current. Channel switching is performed via
a serial digital control that can accommodate daisy chaining of
several devices or via a parallel control to allow updating of an
individual output without reprogramming the entire array.
The ADV3226/ADV3227 are available in the 100-lead LFCSP
package over the extended industrial temperature range of
−40°C to +85°C.
Rev. A
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2010–2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com






ADV3227 Datasheet, Funktion
ADV3226/ADV3227
TIMING CHARACTERISTICS (PARALLEL)
Table 4.
Parameter
Parallel Data Setup Time
Address Setup Time
CLK Pulse Width
Parallel Data Hold Time
Address Hold Time
CLK Pulse Separation
UPDATE Pulse Width
CLK, UPDATE Rise and Fall Times
RESET Time
Symbol
t1d
t1a
t2
t3d
t3a
t4
t5
Min
10
10
10
10
10
20
10
Timing Diagram—Parallel Mode
1
CLK
0
1
A0 TO A3
0
1
D0 TO D4
0
1 = LATCHED
UPDATE
0 = TRANSPARENT
t2
t1a
t1d
t4
t3a
t3d
Figure 3. Timing Diagram, Parallel Mode
Typ
30
Data Sheet
Max Unit
ns
ns
ns
ns
ns
ns
ns
50 ns
ns
t5
Rev. A | Page 6 of 24

6 Page









ADV3227 pdf, datenblatt
ADV3226/ADV3227
4
3
2
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
1
RL = 150Ω
VOUT = 2V p-p
10
10.4pF
5.0pF
2.2pF
1.2pF
0pF
100
FREQUENCY (MHz)
1k
10k
Figure 13. ADV3226 Large Signal Frequency Response with Capacitive Loads
0.15
0.10
0.05
0
–0.05
INPUT SIGNAL
OUTPUT SIGNAL
–0.10
RL = 150Ω
VOUT = 200mV p-p
–0.15
0 2 4 6 8 10 12 14 16 18
TIME (ns)
Figure 14. ADV3226 Small Signal Pulse Response
20
1.5
OUTPUT SIGNAL
1.0
0.5
0
–0.5 INPUT SIGNAL
–1.0
–1.5
0
RL = 150Ω
VOUT = 2V p-p
24
6
8 10 12 14 16 18
TIME (ns)
Figure 15. ADV3226 Large Signal Pulse Response
20
Data Sheet
14
12
10
8
6
4
2
0
–2
–4
–6
–8
–10
1
RL = 150Ω
VOUT = 2V p-p
10
10.4pF
1.2pF
0pF
5.0pF
2.2pF
100
FREQUENCY (MHz)
1k
10k
Figure 16. ADV3227 Large Signal Frequency Response with Capacitive Loads
0.15
0.10
0.05
OUTPUT SIGNAL
0
–0.05
INPUT SIGNAL
–0.10
RL = 150Ω
VOUT = 200mV p-p
–0.15
0 2 4 6 8 10 12 14 16 18
TIME (ns)
Figure 17. ADV3227 Small Signal Pulse Response
20
1.5
1.0
0.5
0
–0.5 INPUT SIGNAL
OUTPUT SIGNAL
–1.0
–1.5
0
RL = 150Ω
VOUT = 2V p-p
24
6
8 10 12 14 16 18
TIME (ns)
Figure 18. ADV3227 Large Signal Pulse Response
20
Rev. A | Page 12 of 24

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