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AD8104 Schematic ( PDF Datasheet ) - Analog Devices

Teilenummer AD8104
Beschreibung 32 x 16 Buffered Analog Crosspoint Switch
Hersteller Analog Devices
Logo Analog Devices Logo 




Gesamt 30 Seiten
AD8104 Datasheet, Funktion
Data Sheet
FEATURES
High channel count, 32 × 16 high speed, nonblocking
switch array
Differential or single-ended operation
Differential G = +1 (AD8104) or G = +2 (AD8105)
Pin compatible with AD8117/AD8118, 32 × 32 switch arrays
Flexible power supplies
Single +5 V supply, or dual ±2.5 V supplies
Serial or parallel programming of switch array
High impedance output disable allows connection of
multiple devices with minimal loading on output bus
Excellent video performance
>50 MHz 0.1 dB gain flatness
0.05% differential gain error (RL = 150 Ω)
0.05° phase error (RL = 150 Ω)
Excellent ac performance
Bandwidth: 600 MHz
Slew rate: 1800 V/µs
Settling time: 2.5 ns to 1%
Low power of 1.7 W
Low all hostile crosstalk
< −70 dB at 5 MHz
< −40 dB at 600 MHz
Reset pin allows disabling of all outputs (connected through
a capacitor to ground provides power-on reset capability)
304-ball BGA package (31 mm × 31 mm)
APPLICATIONS
Routing of high speed signals including
RGB and component video routing
KVM
Compressed video (MPEG, wavelet)
Data communications
GENERAL DESCRIPTION
The AD8104/AD8105 are high speed, 32 × 16 analog crosspoint
switch matrices. They offer 600 MHz bandwidth and slew rate of
1800 V/µs for high resolution computer graphics (RGB) signal
switching. With less than −70 dB of crosstalk and −90 dB isola-
tion (at 5 MHz), the AD8104/AD8105 are useful in many high
speed applications. The 0.1 dB flatness, which is greater than
50 MHz, makes the AD8104/AD8105 ideal for composite video
switching.
The AD8104/AD8105 include 16 independent output buffers
that can be placed into a high impedance state for paralleling
crosspoint outputs so that off-channels present minimal loading
to an output bus. The AD8104 has a differential gain of +1,
Rev. A
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or 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.
600 MHz, 32 × 16 Buffered
Analog Crosspoint Switch
AD8104/AD8105
FUNCTIONAL BLOCK DIAGRAM
D0 D1 D2 D3 D4 D5 VDD DGND
AD8104/
AD8105
SER/PAR
WE
CLK
DATA IN
1
0
UPDATE
RESET
192-BIT SHIFT REGISTER
WITH 6-BIT
PARALLEL LOADING
96 96
PARALLEL LATCH
96
NO
CONNECT
DECODE
16
16 × 6:32 DECODERS
INPUT
RECEIVER
G = +1*
G = +2**
2
512 OUTPUT
BUFFER
G = +1
2
A0
A1
A2
A3
DATA
OUT
SWITCH
MATRIX
*AD8104 ONLY
**AD8105 ONLY
VPOS VNEG
VOCM
Figure 1.
while the AD8105 has a differential gain of +2 for ease of use
in back-terminated load applications. They operate as fully
differential devices or can be configured for single-ended
operation. Either a single +5 V supply or dual ±2.5 V supplies
can be used, while consuming only 340 mA of idle current with
all outputs enabled. The channel switching is performed via a
double-buffered, serial digital control (which can accommodate
daisy-chaining of several devices), or via a parallel control,
allowing updating of an individual output without reprogram-
ming the entire array.
The AD8104/AD8105 are packaged in a 304-ball BGA package
and are available over the extended industrial temperature
range of −40°C to +85°C.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2007–2016 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com






AD8104 Datasheet, Funktion
AD8104/AD8105
Data Sheet
TIMING CHARACTERISTICS (PARALLEL MODE)
Specifications subject to change without notice.
Table 4.
Parameter
Parallel Data Setup Time
WE Pulse Width
Parallel Data Hold Time
WE Pulse Separation
WE to UPDATE Delay
UPDATE Pulse Width
Propagation Delay, UPDATE to Switch On or Off
RESET Pulse Width
RESET Time
Symbol
t1
t2
t3
t4
t5
t6
Limit
Min Typ Max Unit
80 ns
110 ns
150 ns
90 ns
10 ns
90 ns
100 ns
60 ns
200 ns
1
WE
0
1
D0 TO D5
A0 TO A3
0
1 = LATCHED
UPDATE
0 = TRANSPARENT
t2
t1 t3
t4
Figure 3. Timing Diagram, Parallel Mode
t5 t6
Table 5. Logic Levels
VIH VIL
RESET, SER/PAR,
WE, D0, D1, D2,
D3, D4, D5, A0,
A1, A2, A3,
UPDATE
RESET, SER/PAR,
WE, D0, D1, D2,
D3, D4, D5, A0,
A1, A2, A3,
UPDATE
2.0 V min
0.6 V max
VOH
VOL
DATA OUT DATA OUT
IIH
RESET1, SER/PAR, WE,
D0, D1, D2, D3, D4,
D5, A0, A1, A2, A3,
UPDATE
IIL
RESET1, SER/PAR,
WE, D0, D1, D2,
D3, D4, D5, A0, A1,
A2, A3, UPDATE
IOH
DATA OUT
IOL
DATA OUT
Disabled Disabled 1 μA max
–1 μA min
Disabled Disabled
1 See Figure 15.
Rev. A | Page 6 of 36

6 Page









AD8104 pdf, datenblatt
AD8104/AD8105
Pin No.
Y23
AA1
AA2
AA3
AA4
AA5
AA6
AA7
AA8
AA9
AA10
AA11
AA12
AA13
AA14
AA15
AA16
AA17
AA18
AA19
AA20
AA21
AA22
AA23
AB1
AB2
AB3
AB4
AB5
AB6
AB7
AB8
AB9
AB10
AB11
AB12
AB13
Mnemonic
VPOS
VPOS
VPOS
VPOS
VPOS
VNEG
VNEG
VNEG
VNEG
VNEG
VNEG
VPOS
VPOS
VPOS
VNEG
VNEG
VNEG
VNEG
VNEG
VNEG
VPOS
VPOS
VPOS
VPOS
VPOS
VPOS
VPOS
OP0
ON0
OP2
ON2
OP4
ON4
OP6
ON6
OP8
ON8
Description
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Negative Power Supply.
Analog Negative Power Supply.
Analog Negative Power Supply.
Analog Negative Power Supply.
Analog Negative Power Supply.
Analog Negative Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Negative Power Supply.
Analog Negative Power Supply.
Analog Negative Power Supply.
Analog Negative Power Supply.
Analog Negative Power Supply.
Analog Negative Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Output Number 0, Positive Phase.
Output Number 0, Negative Phase.
Output Number 2, Positive Phase.
Output Number 2, Negative Phase.
Output Number 4, Positive Phase.
Output Number 4, Negative Phase.
Output Number 6, Positive Phase.
Output Number 6, Negative Phase.
Output Number 8, Positive Phase.
Output Number 8, Negative Phase.
Data Sheet
Pin No.
AB14
AB15
AB16
AB17
AB18
AB19
AB20
AB21
AB22
AB23
AC1
AC2
AC3
AC4
AC5
AC6
AC7
AC8
AC9
AC10
AC11
AC12
AC13
AC14
AC15
AC16
AC17
AC18
AC19
AC20
AC21
AC22
AC23
Mnemonic
OP10
ON10
OP12
ON12
OP14
ON14
VPOS
VPOS
VPOS
VPOS
VPOS
VPOS
VPOS
VPOS
OP1
ON1
OP3
ON3
OP5
ON5
OP7
ON7
OP9
ON9
OP11
ON11
OP13
ON13
OP15
ON15
VPOS
VPOS
VPOS
Description
Output Number 10, Positive Phase.
Output Number 10, Negative Phase.
Output Number 12, Positive Phase.
Output Number 12, Negative Phase.
Output Number 14, Positive Phase.
Output Number 14, Negative Phase.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Output Number 1, Positive Phase.
Output Number 1, Negative Phase.
Output Number 3, Positive Phase.
Output Number 3, Negative Phase.
Output Number 5, Positive Phase.
Output Number 5, Negative Phase.
Output Number 7, Positive Phase.
Output Number 7, Negative Phase.
Output Number 9, Positive Phase.
Output Number 9, Negative Phase.
Output Number 11, Positive Phase.
Output Number 11, Negative Phase.
Output Number 13, Positive Phase.
Output Number 13, Negative Phase.
Output Number 15, Positive Phase.
Output Number 15, Negative Phase.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Positive Power Supply.
Rev. A | Page 12 of 36

12 Page





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