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DAC5574

更新时间： 2024-11-27 22:40:31
品牌 Logo 应用领域
德州仪器 - TI 转换器输出元件
页数 文件大小 规格书
30页 505K
描述
QUAD, 8-BIT, LOW-POWER, VOLTAGE OUTPUT, I2C INTERFACE DIGITAL TO ANALOG CONVERTER

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DAC5574 数据手册

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DAC5574  
www.ti.com  
SLAS407–DECEMBER 2003  
2QUAD, 8-BIT, LOW-POWER, VOLTAGE OUTPUT,  
I C INTERFACE DIGITAL-TO-ANALOG CONVERTER  
FEATURES  
DESCRIPTION  
•
•
•
•
•
•
•
•
•
Micropower Operation: 500 µA at 3 V VDD  
Fast Update Rate: 188 kSPS  
Per-channel Power-down Capability  
Power-On Reset to Zero  
2.7-V to 5.5-V Analog Power Supply  
8-bit Monotonic  
I2C™ Interface Up to 3.4 Mbps  
Data Transmit Capability  
The DAC5574 is a low-power, quad channel, 8-bit  
buffered voltage output DAC. Its on-chip precision  
output amplifier allows rail-to-rail output swing to be  
achieved. The DAC5574 utilizes an I2C compatible  
two wire serial interface supporting high-speed  
interface mode with address support of up to four  
DAC5574s for a total of 16 channels on the bus.  
The DAC5574 uses VDD and GND to set the output  
range of the DAC. The DAC5574 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 DAC5574  
contains a per-channel power-down feature, ac-  
cessed via the internal control register, reducing the  
current consumption of the device to 200 nA at 5 V.  
On-Chip Output Buffer Amplifier, Rail-to-Rail  
Operation  
Double-Buffered Input Register  
•
•
•
Address Support for up to Four DAC5574s  
Synchronous Update Support for up to 16  
Channels  
Operation From –40°C to 105°C  
Small 10 Lead MSOP Package  
The low power consumption of this part in normal  
operation makes it ideally suited to portable battery  
operated equipment. The power consumption is less  
than 3mW at VDD = 5 V reducing to 1 µW in  
power-down mode.  
•
•
APPLICATIONS  
TI offers a variety of data converters with I2C  
interface. See DACx57x family of 16/12/10/8 bit,  
single and quad channel DACs. Also see ADS7823  
and ADS1100, 12-bit octal channel and 16-bit single  
channel ADCs.  
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•
•
Process Control  
Data Acquisition Systems  
Closed-Loop Servo Control  
PC Peripherals  
Portable Instrumentation  
V
DD  
DAC  
Register A  
Data  
Buffer A  
V
A
DAC A  
DAC D  
OUT  
V
V
B
C
OUT  
OUT  
Data  
Buffer D  
DAC  
Register D  
V
OUT  
D
14  
2
SCL  
SDA  
Power-Down  
Control Logic  
I C  
Block  
Buffer  
Control  
Register  
Control  
Resistor  
Network  
8
A0  
A1 GND  
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.  
I2C is a trademark of Philips Corporation.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2003, Texas Instruments Incorporated  
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DAC5574 替代型号

型号 品牌 替代类型 描述 数据表
DAC6574 TI

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 QUAD, 10-BIT, LOW-POWER, VOLTAGE OUTPUT, IC INTERFACE DIGITAL-TO-ANALOG CONVERTER

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