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Teilenummer | DG529 |
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Beschreibung | 8-Channel Latchable Multiplexers | |
Hersteller | Maxim Integrated | |
Logo | ||
Gesamt 12 Seiten 19-3519; Rev 0; 3/91
8-Channel Latchable Multiplexers
_______________General Description
Maxim’s DG528/DG529 are monolithic, 8-channel,
CMOS multiplexers with on-board address and control
latches that simplify design and reduce board space in
microprocessor-based applications. The DG528 is a
single-ended, 1-of-8 multiplexer, while the DG529 is a
differential, 2-of-8 multiplexer. These devices can oper-
ate as multiplexers or demultiplexers.
The DG528/DG529 have break-before-make switching
to prevent momentary shorting of the input signals.
Each device operates with dual supplies (±4.5V to
±20V) or a single supply (+5V to +30V). All logic inputs
are TTL and CMOS compatible. The Maxim
DG528/DG529 are pin and electrically compatible with
the industry-standard DG528/DG529.
________________________Applications
Data-Acquisition Systems
Automatic Test Equipment
Avionics and Military Systems
Communication Systems
Microprocessor-Controlled Systems
Audio-Signal Multiplexing
__________Typical Operating Circuit
____________________________Features
o Low-Power, Monolithic CMOS Design
o On-Board Address Latches
o Break-Before-Make Input Switches
o TTL and CMOS Logic Compatible
o Microprocessor-Bus Compatible
o rDS(ON) < 400Ω
o Pin and Electrically Compatible with the Industry-
Standard DG528/DG529 and ADG528/ADG529
______________Ordering Information
PART
TEMP. RANGE PIN-PACKAGE
DG528CJ
0°C to +70°C
18 Plastic DIP
DG528CWN
0°C to +70°C
18 Wide SO
DG528CK
0°C to +70°C
18 CERDIP
DG528C/D
0°C to +70°C
Dice*
DG528DJ
-40°C to +85°C
18 Plastic DIP
DG528DN
-40°C to +85°C
20 PLCC
DG528EWN
-40°C to +85°C
18 Wide SO
DG528DK
-40°C to +85°C
18 CERDIP
DG528AZ
-55°C to +125°C 20 LCC**
DG528AK
-55°C to +125°C 18 CERDIP**
Ordering Information continued at end of data sheet.
* Contact factory for dice specifications.
** Contact factory for availability and processing to MIL-STD-883.
_________________Pin Configurations
+5V -5V
IN1A
IN1B
IN2A OUTA
IN2B DG529
IN3A
OUTB
IN3B
IN4A
IN4B WR RS A0 A1
MAX133
MUX AND A/D CONTROL
DIFFERENTIAL INPUT FOR DATA-ACQUISITION SYSTEMS
µP INTERFACE
TOP VIEW
WR 1
A0 2
EN 3
V- 4
S1 5
S2 6
S3 7
S4 8
D9
DG528
18 RS
17 A1
16 A2
15 GND
14 V+
13 S5
12 S6
11 S7
10 S8
DIP/SO
Pin Configurations continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1
Call toll free 1-800-998-8800 for free samples or literature.
8-Channel Latchable Multiplexers
+3V
RS +1.5V
0
SWITCH
OUTPUT
VO
0
50%
tOFF(RS)
Figure 5. Reset Turn-Off Time tOFF(RS) Test Circuit
EN
VO
∆VO
∆VO IS THE MEASURE OF VOLTAGE ERROR DUE TO
CHARGE INJECTION. THE CHARGE INJECTION IN
COULOMBS IS Q = CL X ∆VO.
Figure 6. Charge-Injection Test Circuit
0.8 VO
+2.4V +15V DG528*
LOGIC
INPUT
V+
EN
IN1 OR
A0, A1 (A2) IN1B
REMAINING
SWITCHES
RS OUTB OUT
GND WR V-
+5V
SWITCH
OUTPUT
VO
1k 35pF
-15V
* AS SHOWN
VGEN RGEN
+15V
V+
A0, A1 (A2)
RS
S_ D
EN
GND WR V-
DG528*
+2.4V
VO
CL = 1000pF
* AS SHOWN
-15V
+3V
WR
0
+3V
EN, A0, A1, (A2)
0
+1.5V
tWW
tDW
+2.0V
+0.8V
tWD
+3V
RS
0
VO
0
SWITCH
OUTPUT
+1.5V
tRS
tOFF(RS)
Figure 7. Typical Timing Diagrams for DG528/DG529
6 _______________________________________________________________________________________
0.8 VO
6 Page 8-Channel Latchable Multiplexers
___________________________________________Package Information (continued)
AD
Q
L
e
B
S1
L1
B1
E1
E
0°-15°
C
DIM INCHES
MIN MAX
A – 0.200
B 0.014 0.023
B1 0.038 0.065
C 0.008 0.015
E 0.220 0.310
E1 0.290 0.320
e 0.100
L 0.125 0.200
L1 0.150
–
Q 0.015 0.070
S – 0.098
S1 0.005
–
MILLIMETERS
MIN MAX
– 5.08
0.36 0.58
0.97 1.65
0.20 0.38
5.59 7.87
7.37 8.13
2.54
3.18 5.08
3.81 –
0.38 1.78
– 2.49
0.13 –
S
CERDIP
CERAMIC DUAL-IN-LINE
PACKAGE
(0.300 in.)
DIM PINS
D8
D 14
D 16
D 18
D 20
D 24
INCHES
MIN MAX
– 0.405
– 0.785
– 0.840
– 0.960
– 1.060
– 1.280
MILLIMETERS
MIN MAX
– 10.29
– 19.94
– 21.34
– 24.38
– 26.92
– 32.51
21-0045A
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
12 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600
© 1995 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
12 Page | ||
Seiten | Gesamt 12 Seiten | |
PDF Download | [ DG529 Schematic.PDF ] |
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