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PDF ADG708 Data sheet ( Hoja de datos )
| Número de pieza | ADG708 | |
| Descripción | Low Voltage 4-/8-Channel Multiplexers | |
| Fabricantes | Analog Devices | |
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Data Sheet
CMOS, 1.8 V to 5.5 V/±2.5 V, 3 Ω
Low Voltage 4-/8-Channel Multiplexers
ADG708/ADG709
FEATURES
1.8 V to 5.5 V single supply
±2.5 V dual supply
3 Ω on resistance
0.75 Ω on resistance flatness
100 pA leakage currents
14 ns switching times
Single 8-to-1 multiplexer ADG708
Differential 4-to-1 multiplexer ADG709
16-lead TSSOP package
Low power consumption
TTL-/CMOS-compatible inputs
Qualified for automotive applications
APPLICATIONS
Data acquisition systems
Communication systems
Relay replacement
Audio and video switching
Battery-powered systems
GENERAL DESCRIPTION
The ADG708/ADG709 are low voltage, CMOS analog
multiplexers comprising eight single channels and four
differential channels, respectively. The ADG708 switches one of
eight inputs (S1 to S8) to a common output, D, as determined
by the 3-bit binary address lines A0, A1, and A2. The ADG709
switches one of four differential inputs to a common differential
output as determined by the 2-bit binary address lines A0 and
A1. An EN input on both devices is used to enable or disable
the device. When disabled, all channels are switched off.
Low power consumption and an operating supply range of
1.8 V to 5.5 V make the ADG708/ADG709 ideal for battery-
powered, portable instruments. All channels exhibit break-
before-make switching action preventing momentary shorting
when switching channels.
These switches are designed on an enhanced submicron process
that provides low power dissipation yet gives high switching
speed, very low on resistance, and leakage currents.
On resistance is in the region of a few ohms and is closely matched
between switches and very flat over the full signal range. These parts
can operate equally well as either multiplexers or demultiplexers
and have an input signal range that extends to the supplies.
The ADG708/ADG709 are available in a 16-lead TSSOP.
Rev. E
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.
FUNCTIONAL BLOCK DIAGRAMS
ADG708
S1
D
S8
1 OF 8
DECODER
A0 A1 A2 EN
Figure 1.
ADG709
S1A
S4A
DA
S1B
DB
S4B
1 OF 4
DECODER
A0 A1 EN
Figure 2.
PRODUCT HIGHLIGHTS
1. Single-/dual-supply operation. The ADG708/ADG709 are
fully specified and guaranteed with 3 V and 5 V single-supply
and ±2.5 V dual-supply rails.
2. Low RON (3 Ω typical).
3. Low power consumption (<0.01 μW).
4. Guaranteed break-before-make switching action.
5. Small 16-lead TSSOP package.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2000–2014 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
1 page  
Data Sheet
ADG708/ADG709
VDD = 3 V ± 10%, VSS = 0 V, GND = 0 V, unless otherwise noted.
Table 2.
Parameter
ANALOG SWITCH
Analog Signal Range
On Resistance (RON)
On Resistance Match Between
Channels (ΔRON)
LEAKAGE CURRENTS
Source Off Leakage, IS (Off )
Drain Off Leakage, ID (Off )
Channel On Leakage, ID, IS (On)
DIGITAL INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current
IINL or IINH
Digital Input Capacitance, CIN
DYNAMIC CHARACTERISTICS1
tTRANSITION
Break-Before-Make Time
Delay, tOPEN
tON (EN)
tOFF (EN)
Charge Injection
Off Isolation
Channel-to-Channel Crosstalk
−3 dB Bandwidth
+25°C
B Version
−40°C to −40°C to
+85°C +125°C
+25°C
C Version
−40°C to −40°C to
+85°C +125°C
8
11 12
0.4
1.2
0 V to
VDD
8
14 11 12
0.4
2 1.2
0 V to
VDD
14
2
±0.01
±0.01
±20
±20
±0.1 ±0.3
±1
±0.01
±0.01
±20
±20
±0.1 ±0.75
±6
±0.01
±0.01
±20
±20
±0.1 ±0.75
±6
2.0 2.0
0.8 0.8
0.005
2
0.005
±0.1
2
±0.1
18 18
30 30
30 30
88
11
11
18 18
30 30
30 30
88
15 15
15 15
±3 ±3
−60 −60
−80 −80
−60 −60
−80 −80
55 55
Unit
V
Ω typ
Ω max
Ω typ
Ω max
nA typ
nA max
nA typ
nA max
nA typ
nA max
V min
V max
μA typ
μA max
pF typ
ns typ
ns max
ns typ
ns min
ns typ
ns max
ns typ
ns max
pC typ
dB typ
dB typ
dB typ
dB typ
MHz typ
Test Conditions/
Comments
VS = 0 V to VDD, IDS = 10 mA;
see Figure 20
VS = 0 V to VDD,
IDS = 10 mA
VDD = 3.3 V
VS = 3 V/1 V, VD = 1 V/3 V;
see Figure 21
VS = 3 V/1 V, VD = 1 V/3 V;
see Figure 22
VS = VD = 1 V or 3 V;
see Figure 23
VIN = VINL or VINH
RL = 300 Ω, CL = 35 pF;
see Figure 24
VS1 = 2 V/0 V, VS2 = 0 V/2 V
RL = 300 Ω, CL = 35 pF
VS = 2 V; see Figure 25
RL = 300 Ω, CL = 35 pF
VS = 2 V; see Figure 26
RL = 300 Ω, CL = 35 pF
VS = 2 V; see Figure 26
VS = 1.5 V, RS = 0 Ω,
CL = 1 nF; see Figure 27
RL = 50 Ω, CL = 5 pF,
f = 10 MHz
RL = 50 Ω, CL = 5 pF,
f = 1 MHz; see Figure 28
RL = 50 Ω, CL = 5 pF,
f = 10 MHz
RL = 50 Ω, CL = 5 pF,
f = 1 MHz; see Figure 29
RL = 50 Ω, CL = 5 pF;
see Figure 30
Rev. E | Page 5 of 20
5 Page 
Data Sheet
TRUTH TABLES
Table 7. ADG708 Truth Table
A2 A1
X1 X1
00
00
01
01
10
10
11
11
1 X = Don’t care.
A0
X1
0
1
0
1
0
1
0
1
EN
0
1
1
1
1
1
1
1
1
Table 8. ADG709 Truth Table
A1 A0
X1 X1
00
01
10
11
1 X = Don’t care.
EN
0
1
1
1
1
Switch Condition
None
1
2
3
4
5
6
7
8
On Switch Pair
None
1
2
3
4
ADG708/ADG709
Rev. E | Page 11 of 20
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet ADG708.PDF ] | |
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