Datasheet

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MOS 4-/8-Channel

High Performance Analog Multiplexers

ADG408/ADG409

Rev. C

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FEATURES

44 V supply maximum ratings

to V

analog signal range

Low on resistance (100 Ω maximum)

Low power (I

SUPPLY

< 75 μA)

Fast switching

Break-before-make switching action

Plug-in replacement for DG408/DG409

APPLICATIONS

Audio and video routing

Automatic test equipment

Data acquisition systems

Battery-powered systems

Sample-and-hold systems

Communication systems

FUNCTIONAL BLOCK DIAGRAMS

ADG408

ADG409

S1A

S4B

S4A

S1B

1-OF-4

DECODER

1-OF-8

DECODER

A0 A1 ENA0 A1 A2 EN

00027-001

Figure 1.

GENERAL DESCRIPTION

The ADG408/ADG409 are monolithic CMOS analog multiplexers

comprising eight single channels and four differential channels,

respectively. The ADG408 switches one of eight inputs to a

common output as determined by the 3-bit binary address lines

A0, A1, and A2. The ADG409 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 the device is disabled,

all channels are switched off.

The ADG408/ADG409 are designed on an enhanced LC

MOS

process that provides low power dissipation yet gives high

switching speed and low on resistance. Each channel conducts

equally well in both directions when on and has an input signal

range that extends to the supplies. In the off condition, signal

levels up to the supplies are blocked. All channels exhibit break-

before-make switching action, preventing momentary shorting

when switching channels. Inherent in the design is low

charge injection for minimum transients when switching the

digital inputs.

The ADG408/ADG409 are improved replacements for the

DG408/DG409 analog multiplexers.

PRODUCT HIGHLIGHTS

1. Extended Signal Range. The ADG408/ADG409 are

fabricated on an enhanced LC

MOS process, giving an

increased signal range that extends to the supply rails.

2. Low Power Dissipation.

3. Low R

4. Single-Supply Operation. For applications where the

analog signal is unipolar, the ADG408/ADG409 can be

operated from a single rail power supply. The parts are

fully specified with a single 12 V power supply and remain

functional with single supplies as low as 5 V.

Summary of content (16 pages)

PAGE 1
LC2MOS 4-/8-Channel High Performance Analog Multiplexers ADG408/ADG409 FEATURES FUNCTIONAL BLOCK DIAGRAMS 44 V supply maximum ratings VSS to VDD analog signal range Low on resistance (100 Ω maximum) Low power (ISUPPLY < 75 μA) Fast switching Break-before-make switching action Plug-in replacement for DG408/DG409 ADG408 ADG409 S1 S1A DA S4A D S1B DB S8 1-OF-8 DECODER Audio and video routing Automatic test equipment Data acquisition systems Battery-powered systems Sample-and-hold systems Communication
PAGE 2
ADG408/ADG409 TABLE OF CONTENTS Features .............................................................................................. 1 Absolute Maximum Ratings ............................................................6 Applications....................................................................................... 1 ESD Caution...................................................................................6 Functional Block Diagrams............................................................
PAGE 3
ADG408/ADG409 SPECIFICATIONS DUAL SUPPLY VDD = 15 V, VSS = −15 V, GND = 0 V, unless otherwise noted. Table 1.
PAGE 4
ADG408/ADG409 Parameter POWER REQUIREMENTS IDD B Version −40ºC to +85ºC +25ºC 1 5 1 5 ISS IDD 1 T Version −55ºC to +125ºC +25ºC 100 200 1 5 1 5 100 200 500 500 Unit Test Conditions/Comments μA typ μA max μA typ μA max μA typ μA max VIN = 0 V, VEN = 0 V VIN = 0 V, VEN = 2.4 V Guaranteed by design, not subject to production test. SINGLE SUPPLY VDD = 12 V, VSS = 0 V, GND = 0 V, unless otherwise noted. Table 2.
PAGE 5
ADG408/ADG409 Parameter Channel-to-Channel Crosstalk CS (OFF) CD (OFF) ADG408 ADG409 CD, CS (ON) ADG408 ADG409 POWER REQUIREMENTS IDD IDD 1 B Version −40ºC to +25ºC +85ºC 85 11 T Version −55ºC to +125ºC +25°C 85 11 Unit dB typ pF typ 40 20 40 20 pF typ pF typ 54 34 54 34 pF typ pF typ Test Conditions/Comments RL = 1 kΩ, f = 100 kHz; see Figure 27 f = 1 MHz f = 1 MHz f = 1 MHz 1 5 100 200 500 1 5 100 200 500 Guaranteed by design, not subject to production test. Rev.
PAGE 6
ADG408/ADG409 ABSOLUTE MAXIMUM RATINGS TA = 25°C, unless otherwise noted. Table 3.
PAGE 7
ADG408/ADG409 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS 16 A1 EN 2 VSS 3 ADG408 14 GND TOP VIEW 13 VDD S2 5 (Not to Scale) 12 S5 S3 6 11 S6 S4 7 10 S7 D 8 9 S8 00027-002 S1 4 15 A2 A0 1 16 A1 EN 2 15 GND VSS 3 S1A 4 S2A 5 S3A 6 11 S3B S4A 7 10 S4B DA 8 9 DB ADG409 VDD TOP VIEW (Not to Scale) 13 S1B 12 S2B 14 00027-003 A0 1 Figure 2. ADG408 Pin Configuration Figure 3. ADG409 Pin Configuration Table 4. ADG408 Pin Function Descriptions Table 5.
PAGE 8
ADG408/ADG409 TYPICAL PERFORMANCE CHARACTERISTICS 120 180 TA = 25°C TA = 25°C 160 VDD = +5V VSS = –5V 100 VDD = 5V VSS = 0V 140 RON (Ω) 80 VDD = +10V VSS = –10V RON (Ω) VDD = +12V VSS = –12V 60 120 VDD = 12V VSS = 0V VDD = 10V VSS = 0V 100 80 VDD = +15V VSS = –15V –10 –5 0 VD [VS] (V) 5 10 15 40 00027-004 20 –15 130 VDD = +15V VSS = –15V 9 12 15 VDD = 12V VSS = 0V 120 110 70 RON (Ω) RON (Ω) 6 Figure 7.
PAGE 9
ADG408/ADG409 120 140 VDD = 12V VSS = 0V VDD = +15V VSS = –15V 120 TIME (ns) TIME (ns) 80 tON (EN) 60 1 3 5 7 80 60 9 11 13 15 VIN (V) 40 00027-010 20 100 tOFF (EN) 40 tON (EN) tOFF (EN) 1 3 5 7 VIN (V) 9 11 13 00027-013 tTRANSITION 100 tTRANSITION Figure 13. Switching Time vs. VIN (Single Supply) Figure 10. Switching Time vs.
PAGE 10
ADG408/ADG409 110 110 VDD = +15V VSS = –15V VDD = +15V VSS = –15V 100 CROSSTALK (dB) 90 90 80 80 70 1k 10k 100k FREQUENCY (Hz) 1M Figure 16. Off Isolation vs. Frequency 60 1k 10k 100k FREQUENCY (Hz) Figure 17. Crosstalk vs. Frequency Rev.
PAGE 11
ADG408/ADG409 TEST CIRCUITS IDS S1 VSS VDD VSS S2 D S8 D GND VS RON = V1/IDS Figure 20. ID (OFF) VDD VSS VDD VSS VDD VSS VDD VSS S1 A VS S2 D S8 0.8V GND VD EN ID (ON) GND VS Figure 19. IS (OFF) 50% EN A 2.4V VD Figure 21. ID (ON) 3V ADDRESS DRIVE (VIN) D S8 00027-019 IS (OFF) A VD Figure 18. On Resistance S1 ID (OFF) 0.
PAGE 12
ADG408/ADG409 3V 50% VSS VDD VSS A0 50% S1 A1 0V A2 tON (EN) ADG4081 tOFF (EN) 0.9VO 0.9VO OUTPUT OUTPUT D EN VIN VS S2–S8 50Ω 1SIMILAR 35pF 300Ω GND 00027-024 ENABLE DRIVE (VIN) VDD CONNECTION FOR ADG409. Figure 24. Enable Delay, tON (EN), tOFF (EN) 3V VDD VSS VDD VSS A0 A1 VIN A2 ADG4081 VOUT RS ΔVOUT S D VOUT EN VS QINJ = CL × ΔVOUT CL 10nF GND 1SIMILAR 00027-025 VIN CONNECTION FOR ADG409. Figure 25.
PAGE 13
ADG408/ADG409 TERMINOLOGY RON Ohmic resistance between D and S. tTRANSITION Delay time between the 50% and 90% points of the digital inputs and the switch on condition when switching from one address state to another. ΔRON Difference between the RON of any two channels. IS (OFF) Source leakage current when the switch is off. tOPEN Off time measured between the 80% point of both switches when switching from one address state to another. ID (OFF) Drain leakage current when the switch is off.
PAGE 14
ADG408/ADG409 OUTLINE DIMENSIONS 0.800 (20.32) 0.790 (20.07) 0.780 (19.81) 16 9 1 8 0.280 (7.11) 0.250 (6.35) 0.240 (6.10) 0.325 (8.26) 0.310 (7.87) 0.300 (7.62) PIN 1 0.100 (2.54) BSC 0.060 (1.52) MAX 0.210 (5.33) MAX 0.195 (4.95) 0.130 (3.30) 0.115 (2.92) 0.015 (0.38) MIN 0.150 (3.81) 0.130 (3.30) 0.115 (2.92) 0.015 (0.38) GAUGE PLANE SEATING PLANE 0.022 (0.56) 0.018 (0.46) 0.014 (0.36) 0.005 (0.13) MIN 0.430 (10.92) MAX 0.014 (0.36) 0.010 (0.25) 0.008 (0.20) 0.070 (1.78) 0.060 (1.52) 0.
PAGE 15
ADG408/ADG409 10.00 (0.3937) 9.80 (0.3858) 4.00 (0.1575) 3.80 (0.1496) 16 9 1 8 1.27 (0.0500) BSC 0.25 (0.0098) 0.10 (0.0039) COPLANARITY 0.10 6.20 (0.2441) 5.80 (0.2283) 1.75 (0.0689) 1.35 (0.0531) 0.50 (0.0197) × 45° 0.25 (0.0098) 8° 0.51 (0.0201) SEATING 0.25 (0.0098) 0° 1.27 (0.0500) PLANE 0.31 (0.0122) 0.40 (0.0157) 0.17 (0.
PAGE 16
ADG408/ADG409 ORDERING GUIDE Model ADG408BN ADG408BNZ 1 ADG408BR ADG408BR-REEL ADG408BR-REEL7 ADG408BRU ADG408BRU-REEL ADG408BRU-REEL7 ADG408BRUZ1 ADG408BRUZ-REEL1 ADG408BRUZ-REEL71 ADG408BRZ1 ADG408BRZ-REEL1 ADG408BRZ-REEL71 ADG408TQ ADG408BCHIPS ADG409BN ADG409BNZ1 ADG409BR ADG409BR-REEL ADG409BR-REEL7 ADG409BRU ADG409BRU-REEL ADG409BRU-REEL7 ADG409BRUZ1 ADG409BRUZ-REEL1 ADG409BRUZ-REEL71 ADG409BRZ1 ADG409BRZ-REEL1 ADG409BRZ-REEL71 ADG409TQ 1 Temperature Range −40°C to +85°C −40°C to +85°C −40°C to +85°C