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Analog Devices Semiconductor Electronic Components Datasheet

AD75019 Datasheet

16 x 16 Crosspoint Switch Array

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AD75019 pdf
a
FEATURES
256 Switches in a 16 ؋ 16 Array
Wide Signal Range: to Supply Rails of 24 V or ؎12 V
Low On-Resistance: 200 Typ
TTL/CMOS/Microprocessor-Compatible Control Lines
Serial Input Simplifies Interface
Serial Output Allows Cascading for More Channels
Low Power Consumption: 2 mW Quiescent
Compact 44-Lead PLCC
16 ؋ 16 Crosspoint
Switch Array
AD75019
FUNCTIONAL BLOCK DIAGRAM
ANALOG
X0
INPUTS/OUTPUTS
X15
VDD VSS VCC DGND
Y0
ANALOG
OUTPUTS/
INPUTS
Y15
SERIAL DATA IN
+12V –12V +5V DGND
ANALOG
SWITCH
LATCH
SHIFT
REGISTER
CELL #256
BUSED CLOCK
LINES
SERIAL
DATA
TO NEXT
STAGES
16 ؋ 16 ARRAY OF SWITCHES,
LATCHES, AND SHIFT REGISTER
CELLS (ONLY TWO LOCATIONS
ARE SHOWN FOR CLARITY)
AD75019
BUSED CLOCK
LINES
SERIAL
DATA
FROM
PRIOR
STAGES
ANALOG
SWITCH
LATCH
SHIFT
REGISTER
CELL #1
PARALLEL SERIAL
CLOCK CLOCK
PCLK
SCLK SOUT
PRODUCT DESCRIPTION
The AD75019 contains 256 analog switches in a 16 × 16 array.
Any of the X or Y pins may serve as an input or output. Any or
all of the X terminals may be programmed to connect to any or
all of the Y terminals. The switches can accommodate signals
with amplitudes up to the supply rails and have a typical on-
resistance of 150 .
Data is loaded serially via the SIN input and clocked into an on-
board 256-bit shift register via SCLK. When all the switch set-
tings have been programmed, data is transferred into a set of
256 latches via PCLK. The serial shift register is dynamic, so
there is a minimum clock rate of 20 kHz. The maximum clock
rate of 5 MHz allows loading times as short as 52 µs. The switch
control latches are static and will hold their data as long as power
is applied.
To extend the number of switches in the array, you may cascade
multiple AD75019s. The SOUT output is the end of the shift
register, and may be connected to the SIN input of the next
AD75019.
The AD75019 is fabricated in Analog Devices’ BiMOS II
process. This epitaxial BiCMOS process features CMOS
devices for low distortion switches and bipolar devices for
ESD protection.
REV. C
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1999


Analog Devices Semiconductor Electronic Components Datasheet

AD75019 Datasheet

16 x 16 Crosspoint Switch Array

No Preview Available !

AD75019 pdf
AD75019–SPECIFICATIONS1
(TA = +25؇C, VDD and VSS = ؎12 V, VCC = +5 V unless otherwise noted)
AD75019
Symbol
Min
Typ Max
Units
MULTIPLEXER
Input Signal Range
Switch ON Resistance, VDD and VSS = ± 12 V, VSIGNAL = ± 12 V
Switch ON Resistance, VDD and VSS = ± 5 V, VSIGNAL = ± 5 V
Switch ON Resistance Matching2, VSIGNAL = ± 12 V
Leakage Current, VSIGNAL = ± 10 V
Input/Output Capacitance
Isolation Between Any Two Channels
RS = 600 , RL = 10 k, VSIGNAL = 2 V p-p
fSIGNAL = 1 kHz
fSIGNAL = 20 kHz
fSIGNAL = 1 MHz
Total Harmonic Distortion
RS = 600 , RL = 10 k, VSIGNAL = 2 V p-p
Switch Frequency Response, –3 dB
RS = 600 , RL = 10 k, VSIGNAL = 2 V p-p
Propagation Delay
DIGITAL INPUTS (SIN, SCLK, PCLK)
Logic Levels (TTL Compatible)
Input Voltage, Logic “1”
Input Voltage, Logic “0”
Input Current, VIH = 5.5 V
Input Current, VIL = 0.8 V
Input Capacitance
DIGITAL OUTPUTS (SOUT)
Logic Levels (TTL Compatible)
Output Voltage, Logic “1”
Output Voltage, Logic “0”
Output Current, VOH = 2.8 V
Output Current, VOL = 0.4 V
POWER SUPPLY REQUIREMENTS
Voltage Range, Total Analog
Voltage Range, Positive Analog
Voltage Range, Negative Analog
Voltage Range, Digital
Supply Current, SCLK = 5 MHz,
VIL = 0.8 V, VIH = 2.4 V
Supply Current, Quiescent,
VIL = 0.8 V, VIH = 2.4 V
TEMPERATURE RANGE
Operating
Storage
VIN
RON
RON
RON
CIN
VSS – 0.5
150
300
20
2
92
69
38
20
4
VIH 2.4
VIL 0
IIH
IIL
CIN
VOH
VOL
IOH
IOL
VDD – VSS
VDD – VDGND
VSS – VDGND
VCC – VDGND
IDD, ISS
ICC
IDD, ISS
ICC
TMIN, TMAX
2.8
3.2
3.2
9.0
(VCC – 0.5)
–20.7
4.5
5
_
_
–25
–65
VDD + 0.5
300
500
30
10
25
V
nA
pF
dB
dB
dB
0.01 %
MHz
8 ns
5.5 V
0.8 V
± 1 µA
± 1 µA
10 pF
0.4
25.2
25.2
0
5.5
± 70
800
؎400
100
+85
+150
V
V
mA
mA
V
V
V
V
mA
µA
µA
µA
°C
°C
NOTES
1All minimum and maximum specifications are guaranteed, and specifications shown in boldface are tested on all production units at final electrical test. Results from those tests
are used to calculate outgoing quality levels.
2Switch resistance matching is measured with zero volts at each analog input and refers to the difference between the maximum and minimum values.
Specifications subject to change without notice.
PIN FUNCTION DESCRIPTIONS
PIN CONFIGURATION
Pin Name Description
1 PCLK Parallel Clock Input
2 SCLK Serial Clock Input
3 SIN Serial Data Input
4 VSS Negative Analog Power Supply
5 NC No Internal Connection
6 NC No Internal Connection
7 Y15 Analog Output (or Input)
8 Y14 Analog Output (or Input)
9 Y13 Analog Output (or Input)
10 Y12 Analog Output (or Input)
11 Y11 Analog Output (or Input)
12 Y10 Analog Output (or Input)
13 Y9 Analog Output (or Input)
14 Y8 Analog Output (or Input)
15 X0 Analog Input (or Output)
16 X1 Analog Input (or Output)
17 X2 Analog Input (or Output)
18 X3 Analog Input (or Output)
19 X4 Analog Input (or Output)
20 X5 Analog Input (or Output)
21 X6 Analog Input (or Output)
22 X7 Analog Input (or Output)
Pin Name Description
23 X8 Analog Input (or Output)
24 X9 Analog Input (or Output)
25 X10 Analog Input (or Output)
26 X11 Analog Input (or Output)
27 X12 Analog Input (or Output)
28 X13 Analog Input (or Output)
29 X14 Analog Output (or Input)
30 X15 Analog Output (or Input)
31 Y0 Analog Output (or Input)
32 Y1 Analog Output (or Input)
33 Y2 Analog Output (or Input)
34 Y3 Analog Output (or Input)
35 Y4 Analog Output (or Input)
36 Y5 Analog Output (or Input)
37 Y6 Analog Output (or Input)
38 Y7 Analog Output (or Input)
39 NC No Internal Connection
40 NC No Internal Connection
41 VDD Positive Analog Power Supply
42 VCC Digital Power Supply
43 DGND Digital Ground
44 SOUT Serial Data Output: Positive True
–2–
Y15 7
Y14 8
Y13 9
Y12 10
Y11 11
Y10 12
Y9 13
Y8 14
X0 15
X1 16
X2 17
6 5 4 3 2 1 44 43 42 41 40
PIN 1
IDENTIFIER
AD75019
TOP VIEW
(Not to Scale)
39 NC
38 Y7
37 Y6
36 Y5
35 Y4
34 Y3
33 Y2
32 Y1
31 Y0
30 X15
29 X14
18 19 20 21 22 23 24 25 26 27 28
NC = NO CONNECT
REV. C


Part Number AD75019
Description 16 x 16 Crosspoint Switch Array
Maker Analog Devices
Total Page 4 Pages
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