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參數(shù)資料
| 型號(hào)： | DAC7512E/250 |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 12 us SETTLING TIME, 12-BIT DAC, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 393K |
| 代理商： | DAC7512E/250 |
DAC7512
APPLICATIONS
q PORTABLE BATTERY-POWERED
INSTRUMENTS
q DIGITAL GAIN AND OFFSET
ADJUSTMENT
q PROGRAMMABLE VOLTAGE AND
CURRENT SOURCES
Copyright 2000, Texas Instruments Incorporated
SBAS156
Printed in U.S.A. October, 2000
Low-Power, Rail-to-Rail Output, 12-Bit Serial Input
DIGITAL-TO-ANALOG CONVERTER
DESCRIPTION
The DAC7512 is a low-power, single, 12-bit buffered
voltage output Digital-to-Analog Converter (DAC).
Its on-chip precision output amplifier allows rail-to-
rail output swing to be achieved. The DAC7512 uses
a versatile three-wire serial interface that operates at
clock rates up to 30MHz and is compatible with
standard SPI, QSPI, Microwire and DSP inter-
faces.
The reference for the DAC7512 is derived from the
power supply, resulting in the widest dynamic output
range possible. The DAC7512 incorporates a power-
on-reset circuit that ensures that the DAC output
powers up at zero volts and remains there until a valid
write takes place to the device. The DAC7512 con-
tains a power-down feature, accessed over the serial
interface, that can reduce the current consumption of
the device to 50nA at 5V.
The low power consumption of this part in normal
operation makes it ideally suited to portable battery-
operated equipment. The power consumption is 0.7mW
at 5V reducing to 1
W in power-down mode.
The DAC7512 is available in a SOT23-6 package and
an MSOP-8 package.
DAC7512
FEATURES
q microPOWER OPERATION: 135
A at 5V
q POWER-DOWN: 200nA at 5V, 50nA at 3V
q POWER SUPPLY: +2.7V to +5.5V
q GUARANTEED MONOTONIC BY DESIGN
q POWER-ON-RESET TO 0V
q THREE POWER-DOWN FUNCTIONS
q LOW POWER SERIAL INTERFACE WITH
SCHMITT-TRIGGERED INPUTS
q ON-CHIP OUTPUT BUFFER AMPLIFIER,
RAIL-TO-RAIL OPERATION
q SYNC INTERRUPT FACILITY
q SOT23-6 AND MSOP-8 PACKAGES
Power-On
Reset
DAC
Register
REF (+) REF (–)
12-Bit
DAC
Output
Buffer
Input
Control
Logic
Power-Down
Control Logic
Resistor
Network
SYNC SCLK D
IN
V
DD
GND
V
OUT
www.ti.com
SPI and QSPI are registered trademarks of Motorola.
Microwire is a registered trademark of National Semiconductor.
相關(guān)PDF資料 |
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| DAC7512N/250 | SERIAL INPUT LOADING, 12 us SETTLING TIME, 12-BIT DAC, PDSO6 |
| DAC7512N/3K | SERIAL INPUT LOADING, 12 us SETTLING TIME, 12-BIT DAC, PDSO6 |
| DAC7512E/250 | SERIAL INPUT LOADING, 8 us SETTLING TIME, 12-BIT DAC, PDSO8 |
| DAC7512N/3K | SERIAL INPUT LOADING, 8 us SETTLING TIME, 12-BIT DAC, PDSO6 |
| DAC7631EB | SERIAL INPUT LOADING, 8 us SETTLING TIME, 16-BIT DAC, PDSO20 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DAC7512N | 制造商:Texas Instruments 功能描述: |
| DAC7512N/250 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC Lo-Pwr R-To-R Output 12-Bit Serial Input RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC7512N/250G4 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC Lo-Pwr R-To-R Output 12-Bit Serial Input RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC7512N/3K | 功能描述:數(shù)模轉(zhuǎn)換器- DAC Lo-Pwr R-To-R Output 12-Bit Serial Input RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| DAC7512N/3KG4 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC Lo-Pwr R-To-R Output 12-Bit Serial Input RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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