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參數資料
| 型號： | 7846RPFB |
| 廠商： | MAXWELL TECHNOLOGIES |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 16-BIT DAC, DFP28 |
| 封裝： | RAD-PAK, LDFP-28 |
| 文件頁數： | 4/11頁 |
| 文件大小： | 214K |
| 代理商： | 7846RPFB |
Memory
2
All data sheets are subject to change without notice
2002 Maxwell Technologies
All rights reserved.
16-Bit Digital to Analog Converter
7846
02.19.02 Rev 4
TABLE 1. 7846 PINOUT DESCRIPTION
PIN
SYMBOL
DESCRIPTION
1-3
DB2-DB0
Data I/O pins. DB0 is LSB.
4V
DD
Positive supply for analog circuitry. This is +15V nominal.
5V
OUT
DAC output voltage pin.
6R
IN
Input to summing resistor of DAC output amplifier. This is used
to select output voltage ranges.
7V
REF+
V
REF+ Input. The DAC is specified for VREF+ = +5V.
8V
REF-
V
REF- Input. For unipolar operation connect VREF- to 0V and for
bipolar operation connect it to -5V. The device is specified for
both conditions.
9V
SS
Negative supply for the analog circuitry. This is -15V nominal.
10-19
DB15-DB6
Data I/O pins. DB15 is MSB.
20
DGND
Ground pin for digital circuitry.
21
V
CC
Positive supply for digital circuitry. This is +5V nominal.
22
R/W
R/W Input. This can be used to load data to the DAC or to read
back the DAC latch contents.
23
CS
Chip select input. This selects the device.
24
CLR
Clear Input. The DAC can be cleared to 000...000 or
100...000.
25
LDAC
Asynchronous load input to DAC.
26-28
DB5-DB3
Data I/O pins.
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