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MX7837AN Datasheet

  • MX7837AN

  • Complete, Dual, 12-Bit Multiplying DACs

  • 12頁

  • MAXIM   MAXIM

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19-0158; Rev 0; 7/93
Complete, Dual, 12-Bit
Multiplying DACs
_______________General Description
The MX7837/MX7847 are dual, 12-bit, multiplying, volt-
age-output digital-to-analog converters (DACs). Each
DAC has an output amplifier and a feedback resistor.
The output amplifier is capable of developing 鹵10V
across a 2k鈩?load. The amplifier feedback resistor is
internally connected to V
OUT
on the MX7847. No exter-
nal trims are required to achieve full 12-bit performance
over the entire operating temperature range.
The MX7847 has a 12-bit parallel data input, whereas
the MX7837 operates with a double-buffered 8-bit-bus
interface that loads data in two write operations. All
logic signals are level triggered and are TTL and CMOS
compatible. Fast timing specifications make these
DACs compatible with most microprocessors.
____________________________Features
o
Two 12-Bit Multiplying DACs with Buffered
Voltage Output
o
Specified with 鹵12V or 鹵15V Supplies
o
No External Adjustments Required
o
Fast Timing Specifications
o
24-Pin DIP and SO Packages
o
12-Bit Parallel Interface (MX7847)
8-Bit + 4-Bit Interface (MX7837)
MX7837/MX7847
______________Ordering Information
PART
MX7837JN
MX7837KN
MX7837JR
MX7837KR
MX7837C/D
TEMP. RANGE
0擄C to +70擄C
0擄C to +70擄C
0擄C to +70擄C
0擄C to +70擄C
0擄C to +70擄C
PIN-PACKAGE
24 Narrow Plastic DIP
24 Narrow Plastic DIP
24 Wide SO
24 Wide SO
Dice*
ERROR
(LSB)
鹵1
鹵1/2
鹵1
鹵1/2
鹵1
________________________Applications
Small Component-Count Analog Systems
Digital Offset/Gain Adjustments
Industrial Process Control
Function Generators
Automatic Test Equipment
Automatic Calibration
Machine and Motion Control Systems
Waveform Reconstruction
Synchro Applications
Ordering Information continued on last page.
* Contact factory for availability and processing to MIL-STD-883.
_________Typical Operating Circuits
V
DD
_________________Pin Configurations
TOP VIEW
CS 1
R
FBA
2
V
REFA
3
V
OUTA
4
AGNDA 5
V
DD
6
V
SS
7
AGNDB 8
V
OUTB
9
V
REFB
10
DGND 11
R
FBB
12
24 DB0/DB8
23 DB1/DB9
22 DB2/DB10
21 DB3/DB11
V
REFA
V
REFB
MSB
LSB
INPUT INPUT
LATCH LATCH
4
8
DAC LATCH A
12
DAC A
R
FBA
V
OUTA
AGNDA
DB0
DB7
DAC B
12
DAC LATCH B
8
4
LSB
MSB
INPUT INPUT
LATCH LATCH
R
FBB
V
OUTB
MX7837
20 DB4
19 DB5
18 DB6
17 DB7
16 A0
15 A1
14 LDAC
13 WR
LDAC
CS
WR
A0
A1
AGNDB
CONTROL
LOGIC
MX7837
DIP/SO
DGND
V
SS
MX7847 on last page.
MX7847 on last page.
1
________________________________________________________________
Maxim Integrated Products
Call toll free 1-800-998-8800 for free samples or literature.

MX7837AN 產(chǎn)品屬性

  • Maxim Integrated Products

  • 2

  • 2

  • 12 bit

  • Parallel

  • 4 us

  • + 85 C

  • Through Hole

  • PDIP N

  • - 40 C

  • Voltage

  • External

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