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PDF AD8104 Data sheet ( Hoja de datos )
| Número de pieza | AD8104 | |
| Descripción | 32 x 16 Buffered Analog Crosspoint Switch | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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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
1 page  
Data Sheet
TIMING CHARACTERISTICS (SERIAL MODE)
Specifications subject to change without notice.
Table 2.
Parameter
Serial Data Setup Time
CLK Pulse Width
Serial Data Hold Time
CLK Pulse Separation
CLK to UPDATE Delay
UPDATE Pulse Width
CLK to DATA OUT Valid
Propagation Delay, UPDATE to Switch On or Off
RESET Pulse Width
RESET Time
Symbol
t1
t2
t3
t4
t5
t6
t7
AD8104/AD8105
Limit
Min Typ Max Unit
40 ns
50 ns
50 ns
150 ns
10 ns
90 ns
120 ns
100 ns
60 ns
200 ns
1
WE
0
1
CLK
0
1
DATA IN
0
t2
t1 t3
OUT15 (D5)
t4
LOAD DATA INTO
SERIAL REGISTER
ON FALLING EDGE
OUT15 (D4)
OUT0 (D0)
1 = LATCHED
UPDATE
0 = TRANSPARENT
1
DATA OUT
0
t5
TRANSFER DATA FROM SERIAL
REGISTER TO PARALLEL
LATCHES DURING LOW LEVEL
t7
Figure 2. Timing Diagram, Serial Mode
Table 3. Logic Levels
VIH
RESET,
SER/PAR, CLK,
DATA IN,
UPDATE
VIL
RESET,
SER/PAR, CLK,
DATA IN,
UPDATE
2.0 V min
0.6 V max
VOH
DATA OUT
VOL
DATA OUT
VDD − 0.3 V DGND +
min 0.5 V max
IIH
RESET1,
SER/PAR, CLK,
DATA IN, UPDATE
1 μA max
IIL
RESET1,
SER/PAR, CLK,
DATA IN, UPDATE
–1 μA min
t6
IOH
DATA OUT
IOL
DATA OUT
−1 mA max 1 mA min
1 See Figure 15.
Rev. A | Page 5 of 36
5 Page 
Data Sheet
AD8104/AD8105
Pin No.
K2
K3
K4
K20
K21
K22
K23
L1
L2
L3
L4
L20
L21
L22
L23
M1
M2
M3
M4
M20
M21
M22
M23
N1
N2
N3
N4
N20
N21
N22
N23
P1
P2
P3
P4
P20
P21
P22
P23
R1
R2
R3
R4
R20
R21
R22
R23
T1
T2
T3
T4
T20
Mnemonic
IP6
VNEG
DATA IN
WE
VNEG
IP21
IN22
IP7
IN6
VPOS
SER/PAR
D5
VPOS
IN23
IP22
IN7
IP8
VPOS
DGND
D4
VPOS
IP23
IN24
IP9
IN8
VPOS
A3
D3
VPOS
IN25
IP24
IN9
IP10
VNEG
A2
D2
VNEG
IP25
IN26
IP11
IN10
VNEG
A1
D1
VNEG
IN27
IP26
IN11
IP12
VNEG
A0
D0
Description
Input Number 6, Positive Phase.
Analog Negative Power Supply.
Control Pin: Serial Data In.
Control Pin: First Rank Write Strobe.
Analog Negative Power Supply.
Input Number 21, Positive Phase.
Input Number 22, Negative Phase.
Input Number 7, Positive Phase.
Input Number 6, Negative Phase.
Analog Positive Power Supply.
Control Pin: Serial/Parallel Mode Select.
Control Pin: Input Address Bit 5.
Analog Positive Power Supply.
Input Number 23, Negative Phase.
Input Number 22, Positive Phase.
Input Number 7, Negative Phase.
Input Number 8, Positive Phase.
Analog Positive Power Supply.
Logic Negative Power Supply
Control Pin: Input Address Bit 4.
Analog Positive Power Supply.
Input Number 23, Positive Phase.
Input Number 24, Negative Phase.
Input Number 9, Positive Phase.
Input Number 8, Negative Phase.
Analog Positive Power Supply.
Control Pin: Output Address Bit 3.
Control Pin: Input Address Bit 3.
Analog Positive Power Supply.
Input Number 25, Negative Phase.
Input Number 24, Positive Phase.
Input Number 9, Negative Phase.
Input Number 10, Positive Phase.
Analog Negative Power Supply.
Control Pin: Output Address Bit 2.
Control Pin: Input Address Bit 2.
Analog Negative Power Supply.
Input Number 25, Positive Phase.
Input Number 26, Negative Phase.
Input Number 11, Positive Phase.
Input Number 10, Negative Phase.
Analog Negative Power Supply.
Control Pin: Output Address Bit 1.
Control Pin: Input Address Bit 1.
Analog Negative Power Supply.
Input Number 27, Negative Phase.
Input Number 26, Positive Phase.
Input Number 11, Negative Phase.
Input Number 12, Positive Phase.
Analog Negative Power Supply.
Control Pin: Output Address Bit 0.
Control Pin: Input Address Bit 0.
Pin No.
T21
T22
T23
U1
U2
U3
U4
U20
U21
U22
U23
V1
V2
V3
V4
V20
V21
V22
V23
W1
W2
W3
W4
W20
W21
W22
W23
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
Y10
Y11
Y12
Y13
Y14
Y15
Y16
Y17
Y18
Y19
Y20
Y21
Y22
Mnemonic
VNEG
IP27
IN28
IP13
IN12
VNEG
VDD
VDD
VNEG
IN29
IP28
IN13
IP14
VNEG
DGND
DGND
VNEG
IP29
IN30
IP15
IN14
VNEG
VOCM
VOCM
VNEG
IN31
IP30
IN15
VPOS
VPOS
VNEG
VOCM
VNEG
VNEG
VNEG
VNEG
VNEG
VPOS
VPOS
VPOS
VNEG
VNEG
VNEG
VNEG
VNEG
VOCM
VNEG
VPOS
IP31
Description
Analog Negative Power Supply.
Input Number 27, Positive Phase.
Input Number 28, Negative Phase.
Input Number 13, Positive Phase.
Input Number 12, Negative Phase.
Analog Negative Power Supply.
Logic Positive Power Supply.
Logic Positive Power Supply.
Analog Negative Power Supply.
Input Number 29, Negative Phase.
Input Number 28, Positive Phase.
Input Number 13, Negative Phase.
Input Number 14, Positive Phase.
Analog Negative Power Supply.
Logic Negative Power Supply.
Logic Negative Power Supply.
Analog Negative Power Supply.
Input Number 29, Positive Phase.
Input Number 30, Negative Phase.
Input Number 15, Positive Phase.
Input Number 14, Negative Phase.
Analog Negative Power Supply.
Output Common-Mode Reference
Supply.
Output Common-Mode Reference
Supply.
Analog Negative Power Supply.
Input Number 31, Negative Phase.
Input Number 30, Positive Phase.
Input Number 15, Negative Phase.
Analog Positive Power Supply.
Analog Positive Power Supply.
Analog Negative Power Supply.
Output Common-Mode Reference
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.
Output Common-Mode Reference
Supply.
Analog Negative Power Supply.
Analog Positive Power Supply.
Input Number 31, Positive Phase.
Rev. A | Page 11 of 36
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AD8104.PDF ] | |
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