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參數資料
| 型號： | DAC7643VFT |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 16位，雙電壓輸出數字模擬轉換器 |
| 文件頁數： | 1/20頁 |
| 文件大小： | 770K |
| 代理商： | DAC7643VFT |
16-Bit, Dual Voltage Output
DIGITAL-TO-ANALOG CONVERTER
DESCRIPTION
The DAC7642 and DAC7643 are dual channel, 16-bit, volt-
age output Digital-to-Analog Converters (DACs) which pro-
vide 15-bit monotonic performance over the specified tem-
perature range. They accept 16-bit parallel input data, have
double-buffered DAC input logic (allowing simultaneous up-
date of all DACs), and provide a readback mode of the
internal input registers. Programmable asynchronous reset
clears all registers to a mid-scale code of 8000
H
(DAC7642)
or to a zero-scale code of 0000
H
(DAC7643). These DACs
can operate from a single +5V supply or from +5V and –5V
supplies, providing an output range of 0 to +2.5V or –2.5V to
+2.5V, respectively.
Low power and small size per DAC make the DAC7642 and
DAC7643 ideal for automatic test equipment, DAC-per-pin
programmers, data acquisition systems, and closed-loop
servo-control. The DAC7642 and DAC7643 are available in
a LQFP-32 package and specified over a –40
°
C to +85
°
C
temperature range.
FEATURES
G
LOW POWER: 4mW
G
UNIPOLAR OR BIPOLAR OPERATION
G
SETTLING TIME: 10
μ
s to 0.003% FSR
G
15-BIT LINEARITY AND MONOTONICITY:
–40
°
C to +85
°
C
G
RESET TO MID-SCALE (DAC7642) OR
ZERO-SCALE (DAC7643)
G
DATA READBACK
G
DOUBLE-BUFFERED DATA INPUTS
APPLICATIONS
G
PROCESS CONTROL
G
CLOSED-LOOP SERVO-CONTROL
G
MOTOR CONTROL
G
DATA ACQUISITION SYSTEMS
G
DAC-PER-PIN PROGRAMMERS
DAC7642
DAC7643
SBAS233 – DECEMBER 2001
www.ti.com
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright 2001, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
DAC A
DAC
Register A
Input
Register A
I/O
Buffer
Control
Logic
DAC B
DAC
Register B
Input
Register B
V
REF
L
V
REF
H
V
H
Sense
V
L
Sense
V
OUT
B
V
OUT
A
V
OUT
B
Sense
RST
LOADDACS
DACSEL
CS
R/W
DATA I/O
16
GND
V
OUT
A
Sense
V
SS
V
CC
DAC7642
DAC7643
DAC7642
DAC7643
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| DAC7643VFBT | 16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER |
| DAC7642VFBR | 16-Bit, Dual Voltage Output DIGITAL-TO-ANALOG CONVERTER |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DAC7643VFTG4 | 功能描述:數模轉換器- DAC 16-Bit Dual Voltage Output DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC7644 | 制造商:BB 制造商全稱:BB 功能描述:16-Bit, Quad Voltage Output DIGITAL-TO-ANALOG CONVERTER |
| DAC7644E | 功能描述:數模轉換器- DAC 16-Bit Quad Voltage Output RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC7644E/1K | 功能描述:數模轉換器- DAC 16-Bit Quad Voltage Output RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC7644E/1KG4 | 功能描述:數模轉換器- DAC 16-Bit Quad Voltage Output RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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