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PDF ( 数据手册 , 数据表 ) ADV3229

零件编号 ADV3229
描述 8 x 8 Analog Crosspoint Switch
制造商 Analog Devices
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ADV3229 数据手册, 描述, 功能
Data Sheet
750 MHz, 8 × 8 Analog Crosspoint Switch
ADV3228/ADV3229
FEATURES
8 × 8 high speed, nonblocking switch array
Pinout and functionally equivalent to the AD8108/AD8109
Drop-in compatible with ADV3224/ADV3225 16 × 8 array
Complete solution
Buffered inputs
Programmable high impedance outputs
8 output amplifiers, G = +1 (ADV3228), G = +2 (ADV3229)
Drives 150 Ω loads
Operates on ±5 V supplies
Low power: 0.5 W
Excellent ac performance
−3 dB bandwidth
200 mV p-p: 1200 MHz (ADV3228), 900 MHz (ADV3229)
2 V p-p: 750 MHz (ADV3228), 850 MHz (ADV3229)
0.5 dB flatness (2 V p-p): 250 MHz (ADV3228), 235 MHz
(ADV3229)
Slew rate: 2500 V/µs
Serial or parallel programming of switch array
72-lead LFCSP (10 mm × 10 mm)
CLK
DATAIN
UPDATE
CE
RESET
FUNCTIONAL BLOCK DIAGRAM
SER/PAR D0 D1 D2 D3
A0
A1
A2
40-BIT SHIFT REGISTER
WITH 4-BIT
PARALLEL LOADING
DATAOUT
32 8 (RESERVED)
PARALLEL LATCH
32
DECODE
8 × 4:8 DECODERS
SET INDIVIDUAL
OR RESET ALL
OUTPUTS TO OFF
8
ADV3228/
ADV3229
OUTPUT
64
BUFFER
G = +1,
G = +2
SWITCH
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
Figure 1.
GENERAL DESCRIPTION
The ADV3228/ADV3229 are high speed 8 × 8 analog crosspoint
switch matrices. They offer a −3 dB large signal bandwidth of
750 MHz (ADV3228) and a slew rate of 2500 V/µs.
The ADV3228/ADV3229 include eight 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 ADV3228 has a gain of +1, the ADV3229 has a gain of
+2, and they both operate on voltage supplies of ±5 V. 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 ADV3228/ADV3229 are available in the 72-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







ADV3229 pdf, 数据表
ADV3228/ADV3229
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
AVCC 1
IN0 2
AVEE 3
IN1 4
AVCC 5
IN2 6
AVEE 7
IN3 8
AVCC 9
IN4 10
AVEE 11
IN5 12
AVCC 13
IN6 14
AVEE 15
IN7 16
AGND 17
AVEE 18
PIN 1
INDICATOR
ADV3228/ADV3229
TOP VIEW
(Not to Scale)
54 DGND
53 RESET
52 CE
51 DATAOUT
50 CLK
49 DATAIN
48 UPDATE
47 SER/PAR
46 A0
45 A1
44 A2
43 D0
42 D1
41 D2
40 D3
39 NC
38 DGND
37 DVCC
NOTES
1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN.
2. EXPOSED PADDLE. THE EXPOSED METAL PADDLE ON THE BOTTOM OF
THE LFCSP PACKAGE MUST BE SOLDERED TO THE PCB AGND FOR
PROPER HEAT DISSIPATION AND FOR NOISE AND MECHANICAL
STRENGTH BENEFITS.
Figure 5. Pin Configuration
Table 7. Pin Function Descriptions
Pin No.
1, 5, 9, 13, 19, 23, 27, 31, 35, 60, 64, 68
2
3, 7, 11, 15, 18, 21, 25, 29, 33, 36, 58, 62, 66, 70
4
6
8
10
12
14
16
17, 56, 72
20
22
24
26
28
30
32
34
37, 55
38, 54
39, 57, 59, 61, 63, 65, 67, 69, 71
Mnemonic
AVCC
IN0
AVEE
IN1
IN2
IN3
IN4
IN5
IN6
IN7
AGND
OUT7
OUT6
OUT5
OUT4
OUT3
OUT2
OUT1
OUT0
DVCC
DGND
NC
Description
Analog Positive Supply.
Input Number 0.
Analog Negative Supply.
Input Number 1.
Input Number 2.
Input Number 3.
Input Number 4.
Input Number 5.
Input Number 6.
Input Number 7.
Analog Ground.
Output Number 7.
Output Number 6.
Output Number 5.
Output Number 4.
Output Number 3.
Output Number 2.
Output Number 1.
Output Number 0.
Digital Positive Supply.
Digital Ground.
No Internal Connection.
Rev. A | Page 8 of 24
Data Sheet







ADV3229 equivalent, schematic
ADV3228/ADV3229
1M
100k
10k
1k
100
10
1
0.1 1 10 100
FREQUENCY (MHz)
Figure 37. ADV3228 Output Impedance, Disabled
1000
100
10
1
0.1
0.1 1 10 100
FREQUENCY (MHz)
Figure 38. ADV3228 Output Impedance, Enabled
1000
2.0
UPDATE
1.5
1.0
3.5
VOUT RISING EDGE
3.0
2.5
0.5 2.0
0 1.5
–0.5
–1.0
VOUT FALLING EDGE
1.0
0.5
–1.5 0
–2.0
–20 –15 –10 –5 0
5 10 15 20 25
TIME (ns)
Figure 39. ADV3228 Switching Time
–0.5
30
Data Sheet
1M
100k
10k
1k
100
10
1
0.1 1 10 100
FREQUENCY (MHz)
Figure 40. ADV3229 Output Impedance, Disabled
1000
100
10
1
0.1
0.1 1 10 100
FREQUENCY (MHz)
Figure 41. ADV3229 Output Impedance, Enabled
1000
2.0
UPDATE
1.5
1.0
3.5
VOUT RISING EDGE
3.0
2.5
0.5 2.0
0 1.5
–0.5
–1.0
VOUT FALLING EDGE
1.0
0.5
–1.5
0
–2.0
–20 –15 –10 –5
0
5 10 15 20 25
TIME (ns)
Figure 42. ADV3229 Switching Time
–0.5
30
Rev. A | Page 16 of 24










页数 24 页
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