adg509f Analog Devices, Inc., adg509f Datasheet

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adg509f

Manufacturer Part Number
adg509f
Description
4/8 Channel Fault-protected Analog Multiplexers
Manufacturer
Analog Devices, Inc.
Datasheet

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a
GENERAL DESCRIPTION
The ADG508F, ADG509F, and ADG528F are CMOS analog
multiplexers, the ADG508F and ADG528F comprising eight
single channels and the ADG509F comprising four differential
channels. These multiplexers provide fault protection. Using a
series n-channel, p-channel, n-channel MOSFET structure,
both device and signal source protection is provided in the event
of an overvoltage or power loss. The multiplexer can withstand
continuous overvoltage inputs from –40 V to +55 V. During
fault conditions, the multiplexer input (or output) appears as an
open circuit and only a few nanoamperes of leakage current will
flow. This protects not only the multiplexer and the circuitry
driven by the multiplexer, but also protects the sensors or signal
sources that drive the multiplexer.
The ADG508F and ADG528F switch one of eight inputs to a
common output as determined by the 3-bit binary address lines
A0, A1, and A2. The ADG509F switches one of four differen-
tial inputs to a common differential output as determined by the
2-bit binary address lines A0 and A1. The ADG528F has on-chip
address and control latches that facilitate microprocessor inter-
facing. An EN input on each device is used to enable or disable
the device. When disabled, all channels are switched OFF.
PRODUCT HIGHLIGHTS
1. Fault Protection.
Patent Pending.
The ADG508F/ADG509F/ADG528F can withstand con-
tinuous voltage inputs from –40 V to +55 V. When a fault
occurs due to the power supplies being turned off, all the
channels are turned off and only a leakage current of a few
nanoamperes flows.
ADG508F/ADG509F/ADG528F
2. ON channel turns off while fault exists.
3. Low R
4. Fast Switching Times.
5. Break-Before-Make Switching.
6. Trench Isolation Eliminates Latch-up.
Model
ADG508FBN
ADG508FBRN
ADG508FBRW
ADG509FBN
ADG509FBRN
ADG509FBRW
ADG528FBN
ADG528FBP
Outline IC (SOIC), RW = 0.3" Small Outline IC (SOIC).
N = Plastic DIP; P = Plastic Leaded Chip Carrier (PLCC); RN = 0.15" Small
ADG528F
Switches are guaranteed break-before-make so that input
signals are protected against momentary shorting.
A dielectric trench separates the p and n-channel MOSFETs
thereby preventing latch-up.
ONLY
4/8 Channel Fault-Protected
ON.
WR
S1
S8
RS
FUNCTIONAL BLOCK DIAGRAMS
ADG508F/ADG528F
A0
Temperature Range
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
DECODER
A1 A2 EN
1 OF 8
ORDERING GUIDE
Analog Multiplexers
D
S1A
S4A
S1B
S4B
A0
DECODER
ADG509F
1 OF 4
Package Option
N-16
R-16N
R-16W
N-16
R-16N
R-16W
N-18
P-20A
A1
EN
DA
DB

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adg509f Summary of contents

Page 1

... The ADG508F and ADG528F switch one of eight inputs to a common output as determined by the 3-bit binary address lines A0, A1, and A2. The ADG509F switches one of four differen- tial inputs to a common differential output as determined by the 2-bit binary address lines A0 and A1. The ADG528F has on-chip address and control latches that facilitate microprocessor inter- facing ...

Page 2

... Address, Enable Hold Time Reset Pulsewidth RS Charge Injection OFF Isolation C (OFF (OFF) D ADG508F/ADG528F ADG509F POWER REQUIREMENTS NOTES 1 Guaranteed by design, not subject to production test. Specifications subject to change without notice. = –15 V 10%, GND = 0 V, unless otherwise noted Version – ...

Page 3

... RS 50 SWITCH OUTPUT 0.8V Figure 2 shows the Reset Pulsewidth, t off Time, t Note: All digital input signals rise and fall times are measured from 10 ADG508F/ADG509F/ADG528F Table II. ADG509F Truth Table Switch Pair X 0 NONE ...

Page 4

... ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the ADG508F/ADG509F/ADG528F features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality ...

Page 5

... ON 750 500 250 1m 100 10 1 100n 10n 1n 100p 10p 1p 1m 100 10 1 100n 10n 1n 100p 10p 1p ADG508F/ADG509F/ADG528F + – +10V –10V +15V –15V SS 0 –15 –10 – ...

Page 6

... ADG508F/ADG509F/ADG528F 2000 1750 1500 1250 1000 750 125 500 250 0 –15 –10 – – 100 10 1 100n 10n OPERATING RANGE 1n 100p 10p 1p –50 –40 –30 –20 – – INPUT VOLTAGE – 0 +15V –15V 0 ...

Page 7

... MOSFET is negative. During fault conditions, the leakage current into and out of the ADG508F/ADG509F/ADG528F is limited to a few microamps. This protects the multiplexer and succeeding circuitry from over stresses as well as protecting the signal sources which drive the multiplexer ...

Page 8

... OUT 1M 35pF ( ADG528F GND SIMILAR CONNECTION FOR ADG508F/ADG509F 50% 50% 90% 90 TRANSITION TRANSITION ...

Page 9

... S2–S7 A0 ADG528F 2. GND 1k SIMILAR CONNECTION FOR ADG508F/ADG509F S2–S8 A0 ADG528F RS 2. GND 1k SIMILAR CONNECTION FOR ADG508F/ADG509F S2– ...

Page 10

... SWITCH L L 35pF 1k OUTPUT LOGIC 2.4V INPUT ( OUT C L 1nF V OUT ADG528F RS 2. GND SIMILAR CONNECTION FOR ADG508F/ADG509F 50% 50 (RS) OFF 0. OUT INJ L OUT OUT ...

Page 11

... BSC 0.0098 (0.25) 8 0.0192 (0.49) 0 SEATING 0.0125 (0.32) PLANE 0.0138 (0.35) 0.0091 (0.23) ADG508F/ADG509F/ADG528F 16-Lead SOIC (R-16N) (Narrow Body) 0.3937 (10.00) 0.3859 (9.80 0.2440 (6.20) 0.2284 (5.80 0.0688 (1.75) 0.050 (1.27) 0.0196 (0.50) BSC 0.0532 (1.35) 0.0099 (0.25) 8 0.0192 (0.49) SEATING 0 0.0500 (1.27) 0.0099 (0.25) PLANE 0 ...

Page 12

... PLANE (2.54) 0.014 (0.356) 0.045 (1.15) BSC ADG508F/ADG509F/ADG528F–Revision History Location Data Sheet changed from REV REV. D. Changes to Ordering Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Changes to Specifications table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 MAX RATINGS changed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Deleted 16-Lead Cerdip from Outline Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Deleted 18-Lead Cerdip from Outline Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 OUTLINE DIMENSIONS Dimensions shown in inches and (mm) ...

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