CMOS, 1.8 V to 5.5 V/±2.5 V, 3 Ω
Low Voltage 4-/8-Channel Multiplexers
Data Sheet
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.
FUNCTIONAL BLOCK DIAGRAMS
S1
S8
A0
D
A1 A2
ADG708
EN
1 OF 8
DECODER
00041-001
Figure 1.
S1A
A0
DA
S4A
S1B
S4B
DB
EN
ADG709
1 OF 4
DECODER
A1
00041-002
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 R
ON
(3 Ω typical).
3. Low power consumption (<0.01 μW).
4. Guaranteed break-before-make switching action.
5. Small 16-lead TSSOP package.
The ADG708/ADG709 are available in a 16-lead TSSOP.
Rev. E
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ADG708/ADG709 Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagrams ............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Dual Supply ................................................................................... 7
Absolute Maximum Ratings ............................................................ 9
ESD Caution .................................................................................. 9
Pin Configurations and Function Descriptions ......................... 10
Truth Tables................................................................................. 11
Typical Performance Characteristics ........................................... 12
Test Circuits ..................................................................................... 15
Terminology .................................................................................... 18
Applications Information .............................................................. 19
Power Supply Sequencing ......................................................... 19
Outline Dimensions ....................................................................... 20
Ordering Guide .......................................................................... 20
Automotive Products ................................................................. 20
REVISION HISTORY
9/14Rev. D to Rev. E
Changes to Ordering Guide .......................................................... 20
1/13Rev. C to Rev. D
Changes to Ordering Guide .......................................................... 20
4/09−Rev. B to Rev. C
Changes to Table 1 ............................................................................ 3
Changes to Table 2 ............................................................................ 5
Changes to Table 3 ............................................................................ 7
Moved Truth Tables Section .......................................................... 11
Changes to Figure 7, Figure 8, and Figure 9................................ 12
Changes to Figure 13 and Figure 14 ............................................. 13
Moved Terminology Section ......................................................... 18
Changes to Ordering Guide .......................................................... 20
8/06−Rev. A to Rev. B
Updated Format .................................................................. Universal
Changes to Absolute Maximum Ratings Section .......................... 9
Added Table 7 and Table 8 ............................................................ 10
Updated Outline Dimensions ....................................................... 18
Changes to Ordering Guide .......................................................... 18
4/02Rev. 0 to Rev. A
Edits to Features and Product Highlights ...................................... 1
Change to Specifications ............................................................. 2–4
Edits to Absolute Maximum Ratings Notes ................................... 5
Edits to TPCs 2, 5, 69, 11, and 15 ............................................. 7–9
Edits to Test Circuits 9 and 10 ...................................................... 11
Addition of Test Circuit 11 ............................................................ 11
10/00Revision 0: Initial Version
Rev. E | Page 2 of 20
Data Sheet ADG708/ADG709
SPECIFICATIONS
V
DD
= 5 V ± 10%, V
SS
= 0 V, GND = 0 V, unless otherwise noted.
Table 1.
B Version C Version
Parameter +25°C
−40°C to
+85°C
−40°C to
+125°C
+25°C
−40°C to
+85°C
−40°C to
+125°C
Unit
Test Conditions/
Comments
ANALOG SWITCH
Analog Signal Range 0 V to
V
DD
0 V to
V
DD
0 V to
V
DD
V
On Resistance (R
ON
) 3 3 typ V
S
= 0 V to V
DD
, I
DS
= 10 mA;
see Figure 20
4.5 5 7 4.5 5 7 Ω max
On Resistance Match
Between Channels (ΔR
ON
)
0.4 0.4 typ
0.8
1.5
0.8
1.5
Ω max
V
S
= 0 V to V
DD
, I
DS
= 10 mA
On Resistance Flatness
(R
FL AT (ON)
)
0.75 0.75 typ V
S
= 0 V to V
DD
, I
DS
= 10 mA
1.2 1.65 1.2 1.65 max
LEAKAGE CURRENTS V
DD
= 5.5 V
Source Off Leakage, I
S
(Off ) ±0.01 ±0.01 nA typ V
D
= 4.5 V/1 V, V
S
= 1 V/4.5 V;
see Figure 21
±20 ±20 ±0.1 ±0.3 ±1 nA max
Drain Off Leakage, I
D
(Off ) ±0.01 ±0.01 nA typ V
D
= 4.5 V/1 V, V
S
= 1 V/4.5 V;
see Figure 22
±20 ±20 ±0.1 ±0.75 ±6 nA max
Channel On Leakage, I
D
, I
S
(On) ±0.01 ±0.01 nA typ V
D
= V
S
= 1 V or 4.5 V;
see Figure 23
±20 ±20 ±0.1 ±0.75 ±6 nA max
DIGITAL INPUTS
Input High Voltage, V
INH
2.4 2.4 V min
Input Low Voltage, V
INL
0.8 0.8 V max
Input Current
I
INL
or I
INH
0.005 0.005 μA typ V
IN
= V
INL
or V
INH
±0.1 ±0.1 μA max
Digital Input Capacitance, C
IN
2 2 pF typ
DYNAMIC CHARACTERISTICS
1
t
TRANSITION
14 14 ns typ R
L
= 300 Ω, C
L
= 35 pF;
see Figure 24
25 25 25 25 ns max V
S1
= 3 V/0 V, V
S8
= 0 V/3 V
Break-Before-Make Time
Delay, t
OPEN
8
ns typ
R
L
= 300 Ω, C
L
= 35 pF
1 1 1 1 ns min V
S
= 3 V; see Figure 25
t
ON
(EN) 14 14 ns typ R
L
= 300 Ω, C
L
= 35 pF
25 25 25 25 ns max V
S
= 3 V; see Figure 26
t
OFF
(EN) 7 7 ns typ R
L
= 300 Ω, C
L
= 35 pF
12 12 12 12 ns max V
S
= 3 V; see Figure 26
Charge Injection ±3 ±3 pC typ V
S
= 2.5 V, R
S
= 0 Ω,
C
L
= 1 nF; See Figure 27
Off Isolation −60 −60 dB typ R
L
= 50 Ω, C
L
= 5 pF, f = 10 MHz
−80 −80 dB typ R
L
= 50 Ω, C
L
= 5 pF,
f = 1 MHz; see Figure 28
Rev. E | Page 3 of 20

ADG709BRUZ-REEL7

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Multiplexer Switch ICs 4:1 200MHz 4 Ohm CMOS
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