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DAC7558

更新时间： 2024-02-25 02:16:07
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
25页 1984K
描述
12-BIT, OCTAL, ULTRALOW GLITCH, VOLTAGE OUTPUT DIGITAL-TO-ANALOG CONVERTER

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中文翻译

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DAC7558 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFN
包装说明：QFN-32针数：32
Reach Compliance Code：compliantFactory Lead Time：1 week
风险等级：1.08Samacsys Confidence：
Samacsys Status：ReleasedSamacsys PartID：605515
Samacsys Pin Count：33Samacsys Part Category：Integrated Circuit
Samacsys Package Category：OtherSamacsys Footprint Name：QFN50P500X500X100-33N
Samacsys Released Date：2017-01-12 12:59:53Is Samacsys：N
最大模拟输出电压：5.5 V最小模拟输出电压：
转换器类型：D/A CONVERTER输入位码：BINARY, 2'S COMPLEMENT BINARY
输入格式：SERIALJESD-30 代码：S-PQCC-N32
JESD-609代码：e4长度：5 mm
最大线性误差 (EL)：0.0244%湿度敏感等级：2
位数：12功能数量：1
端子数量：32最高工作温度：105 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装等效代码：LCC32,.2SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260电源：3/5 V
认证状态：Not Qualified采样速率：0.5 MHz
座面最大高度：1 mm最大稳定时间：5 µs
子类别：Other Converters最大压摆率：1.8 mA
标称供电电压：3 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：5 mmBase Number Matches：1

DAC7558 数据手册

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DAC7558  
www.ti.com  
SLAS435–MAY 2005  
12-BIT, OCTAL, ULTRALOW GLITCH, VOLTAGE OUTPUT  
DIGITAL-TO-ANALOG CONVERTER  
FEATURES  
DESCRIPTION  
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
2.7-V to 5.5-V Single Supply  
The DAC7558 is a 12-bit, octal-channel, voltage  
output DAC with exceptional linearity and  
monotonicity. Its proprietary architecture minimizes  
undesired transients such as code to code glitch and  
channel to channel crosstalk. The low-power  
DAC7558 operates from a single 2.7-V to 5.5-V  
supply. The DAC7558 output amplifiers can drive a  
2-kΩ, 200-pF load rail-to-rail with 5-µs settling time;  
the output range is set using an external voltage  
reference.  
12-Bit Linearity and Monotonicity  
Rail-to-Rail Voltage Output  
Settling Time: 5 µs (Max)  
Ultralow Glitch Energy: 0.1 nVs  
Ultralow Crosstalk: –100 dB  
Low Power: 1.8 mA (Max)  
Per-Channel Power Down: 2 µA (Max)  
Power-On Reset to Zero Scale and Mid Scale  
SPI-Compatible Serial Interface: Up to 50 MHz  
Simultaneous or Sequential Update  
Asynchronous Clear  
The 3-wire serial interface operates at clock rates up  
to 50 MHz and is compatible with SPI, QSPI,  
Microwire™, and DSP interface standards. The out-  
puts of all DACs may be updated simultaneously or  
sequentially. The parts incorporate a power-on-reset  
circuit to ensure that the DAC outputs power up to  
zero volts and remain there until a valid write cycle to  
Binary and Twos-Complement Capability  
Daisy-Chain Operation  
the device takes place. The parts contain  
a
1.8-V to 5.5-V Logic Compatibility  
Specified Temperature Range: –40°C to 105°C  
Small, 5-mm x 5-mm, 32-Lead QFN Package  
power-down feature that reduces the current con-  
sumption of the device to under 2 µA.  
The small size and low-power operation makes the  
DAC7558 ideally suited for battery-operated portable  
applications. The power consumption is typically 7.5  
mW at 5 V, 3.7 mW at 3 V, and reduces to 1 µW in  
power-down mode.  
APPLICATIONS  
•
•
•
•
•
Portable Battery-Powered Instruments  
Digital Gain and Offset Adjustment  
Programmable Voltage and Current Sources  
Programmable Attenuators  
The DAC7558 is available in a 32-lead QFN package  
and is specified over –40°C to 105°C.  
Industrial Process Control  
FUNCTIONAL BLOCK DIAGRAM  
V
IOV  
DD  
VREF1  
VREF2  
DD  
VFBA  
−
+
V
A
OUT  
String  
DAC A  
Input  
Register  
DAC  
Register  
SCLK  
SYNC  
Interface  
Logic  
VFBH  
SDIN  
SDO  
−
+
V
H
OUT  
String  
DAC H  
DAC  
Register  
Input  
Register  
Power-On  
Reset  
Power-Down  
Logic  
DCEN RST RSTSEL  
AGND  
DGND VREF3 VREF4  
PD  
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.  
Microwire is a trademark of National Semiconductor Corp..  
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 © 2005, Texas Instruments Incorporated  
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 		DUAL 16-/14-/12-BIT, ULTRALOW-GLITCH, LOW-POWER, BUFFERED, VOLTAGE-OUTPUT
DAC7562SDSCR TI

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 		DUAL 16-/14-/12-BIT, ULTRALOW-GLITCH, LOW-POWER, BUFFERED, VOLTAGE-OUTPUT

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