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PDF ADG526A Data sheet ( Hoja de datos )
| Número de pieza | ADG526A | |
| Descripción | CMOS LATCHED 8/16 CHANNEL ANALOG MULTIPLEXERS | |
| Fabricantes | Analog Devices | |
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CMOS Latched
8-/16-Channel Analog Multiplexers
ADG526A/ADG527A
FEATURES
44 V supply maximum rating
VSS to VDD analog signal range
Single- or dual-supply specifications
Wide supply ranges (10.8 V to 16.5 V)
Microprocessor compatible (100 ns WR pulse)
Extended plastic temperature range (−40°C to +85°C)
Low leakage (20 pA typical)
Low power dissipation (28 mW maximum)
Available in PDIP, CERDIP, SOIC, and PLCC packages
Superior alternative to DG526 and DG527
APPLICATIONS
Data acquisition systems
Communication systems
Automatic test equipment
Microprocessor controlled systems
GENERAL DESCRIPTION
The ADG526A and ADG527A are CMOS monolithic analog
multiplexers with 16 single channels and dual 8 channels,
respectively. On-chip latches facilitate microprocessor interfacing.
The ADG526A switches one of 16 inputs to a common output,
depending on the state of four binary addresses and an enable
input. The ADG527A switches one of eight differential inputs to
a common differential output, depending on the state of three
binary addresses and an enable input. Both devices have TTL
and 5 V CMOS logic-compatible digital inputs.
The ADG526A and ADG527A are designed on an enhanced
LC2MOS process that gives an increased signal capability of VSS
to VDD and enables operation over a wide range of supply
voltages. The devices can comfortably operate anywhere in the
10.8 V to 16.5 V single- or dual-supply range. These multiplexers
also feature high switching speeds and low RON.
FUNCTIONAL BLOCK DIAGRAMS
ADG526A
S1
D
S16
WR
DECODER/
LATCHES
A0 A1 A2 A3 EN RS
Figure 1. ADG526A
ADG527A
S1A
S8A
DA
S1B
S8B
DB
WR
DECODER/
LATCHES
A0 A1 A2 EN RS
Figure 2. ADG527A
PRODUCT HIGHLIGHTS
1. Single- or Dual-Supply Specifications with a Wide
Tolerance. The devices are specified in the 10.8 V to
16.5 V range for both single and dual supplies.
2. Easily Interfaced. The ADG526A and ADG527A can be
easily interfaced with microprocessors. The WR signal
latches the state of the address control lines and the enable
line. The RS signal clears both the address and enable data
in the latches, resulting in no output (all switches off). RS
can be tied to the microprocessor reset pin.
3. Extended Signal Range. The enhanced LC2MOS
processing results in a high breakdown and an increased
analog signal range from VSS to VDD.
4. Break-Before-Make Switching. Switches are guaranteed
break-before-make so that input signals are protected
against momentary shorting.
5. Low Leakage. Leakage currents in the range of 20 pA
make these multiplexers suitable for high precision circuits.
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 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
www.analog.com
Fax: 781.461.3113
©2008 Analog Devices, Inc. All rights reserved.
1 page  
ADG526A/ADG527A
SINGLE SUPPLY
VDD = 10.8 V to 16.5 V, VSS = GND to 0 V, unless otherwise noted.
Table 2.
Parameter
ANALOG SWITCH
Analog Signal Range
RON
RON Drift
RON Match
IS (Off), Off Input
Leakage
ID (Off), Off Output
Leakage
ADG526A
ADG527A
ID (On), On Channel
Leakage
ADG526A
ADG527A
IDIFF, Differential Off
Output Leakage
(ADG527A Only)
DIGITAL CONTROL
VINH, Input High Voltage
VINL, Input Low Voltage
IINL or IINH
CIN, Digital Input
Capacitance
DYNAMIC
CHARACTERISTICS1
tTRANSITION
tOPEN
tON (EN, WR)
tOFF (EN, RS)
tW Write Pulse Width
tS Address Enable
Setup Time
tH Address Enable Hold
Time
tRS Reset Pulse Width
Off Isolation
ADG526A/ADG527A
K Version
B Version
25°C −40°C to +85°C 25°C −40°C to +85°C
VSS
VDD
500
VSS
VDD
VSS
VDD
500
VSS
VDD
700 1000
0.6
700 1000
0.6
55
0.02
1 50
0.04
1 200
1 100
0.04
1 200
1 100
25
0.02
1 50
0.04
1 200
1 100
0.04
1 200
1 100
25
2.4
0.8
1
8
2.4
0.8
1
8
300
450 600
50
25 10
250
450 600
250
450 600
100 120
100
10
100
68
50
300
450 600
50
25 10
250
450 600
250
450 600
100 120
100
10
100
68
50
ADG526A
T Version
25°C −55°C to +125°C
VSS
VDD
500
VSS
VDD
700 1000
0.6
5
0.02
1 50
0.04
1 200
0.04
1 200
2.4
0.8
1
8
300
450 600
50
25 10
250
450 600
250
450 600
100 130
100
10
100
68
50
Unit
V min
V max
Ω typ
Ω max
%/°C typ
% typ
nA typ
nA max
nA typ
nA max
nA max
nA typ
nA max
nA max
nA max
V min
V max
μA max
pF max
ns typ
ns max
ns typ
ns min
ns typ
ns max
ns typ
ns max
ns min
ns min
ns min
ns min
dB typ
dB min
Comments
0 V ≤ VS ≤ 10 V, IDS =
0.5 mA; see Figure 15
0 V ≤ VS ≤ 10 V, IDS =
0.5 mA
0 V ≤ VS ≤ 10 V, IDS =
0.5 mA
V1 = 10 V/0 V, V2 = 0 V/
10 V; see Figure 16
V1 = 10 V/0 V, V2 = 0 V/
10 V; see Figure 17
V1 = 10 V/0 V, V2 = 0 V/
10 V; see Figure 18
V1 = 10 V/0 V, V2 = 0 V/
10 V; see Figure 19
VIN = 0 to VDD
V1 = 10 V/0 V, V2 = 0 V/
10 V; see Figure 20
See Figure 21
See Figure 22 and Figure 23
See Figure 22 and Figure 24
See Figure 13
See Figure 13
See Figure 13
See Figure 14
VEN = 0.8 V, RL = 1 kΩ, CL =
15 pF
VS = 3.5 V rms, f = 100 kHz
Rev. C | Page 5 of 20
5 Page 
ADG526A/ADG527A
TYPICAL PERFORMANCE CHARACTERISTICS
The multiplexers are guaranteed functional with reduced single or dual supplies down to 4.5 V.
700 1.9
600
VDD = 10.8V
VSS = 0V
1.8
500
400
VDD = 15V
VSS = 0V
1.7
300
200
1.6
100
0
–20 –15 –10
–5 0
5
VD (VS) (V)
10 15 20
Figure 7. RON as a Function of VD (VS): Single-Supply Voltage, TA = 25°C
1.5
5 6 7 8 9 10 11 12 13 14 15
SUPPLY VOLTAGE (V)
Figure 10. Trigger Levels vs. Power Supply Voltage, Dual or Single Supply,
TA = 25°C
700
600
VDD = +5V
VSS = –5V
500
400
300 VDD = +10.8V
VSS = –10.8V
200
100
VDD = +15V
VSS = –15V
0
–20 –15 –10
–5 0
5
VD (VS) (V)
10 15 20
Figure 8. RON as a Function of VD (VS): Dual-Supply Voltage, TA = 25°C
100
VDD = +16.5V
VSS = –16.5V
10
1
ID (ON)
ID (OFF)
IS (OFF)
0.1
800
700
600
500
SINGLE
SUPPLY
400
300
DUAL
SUPPLY
200
100
5 6 7 8 9 10 11 12 13 14 15
SUPPLY VOLTAGE (V)
Figure 11. tTRANSITION vs. Supply Voltage: Dual and Single Supplies, TA = 25°C
(Note: For VDD and VSS <10 V; V1 = VDD/VSS, V2 = VSS/VDD; See Figure 20)
1.0
0.8
0.6
0.4
0.2
0.01
25 35 45 55 65 75 85 95 105 115 125
TEMPERATURE (°C)
Figure 9. Leakage Current as a Function of Temperature (Leakage Currents
Reduce as the Supply Voltages Reduce)
0
5 6 7 8 9 10 11 12 13 14 15 16 17
SUPPLY VOLTAGE (V)
Figure 12. IDD vs. Supply Voltage: Dual or Single Supply, TA = 25°C
Rev. C | Page 11 of 20
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet ADG526A.PDF ] | |
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