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DAC7568IAPWR

更新时间： 2024-11-28 06:52:15
品牌 Logo 应用领域
德州仪器 - TI 转换器脉冲
页数 文件大小 规格书
58页 2082K
描述
12-/14-/16-Bit, Octal-Channel, Ultra-Low Glitch, Voltage Output DIGITAL-TO-ANALOG CONVERTERS with 2.5V, 2ppm/°C Internal Reference

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DAC7568IAPWR 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：TSSOP
包装说明：TSSOP, TSSOP14,.25针数：14
Reach Compliance Code：compliantFactory Lead Time：6 weeks
风险等级：5.71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输入格式：SERIAL
JESD-30 代码：R-PDSO-G14JESD-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：14
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP14,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH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：0.1 MHz座面最大高度：1.2 mm
最大稳定时间：10 µs标称安定时间 (tstl)：5 µs
子类别：Other Converters最大压摆率：1.6 mA
标称供电电压：3.6 V表面贴装：YES
温度等级：AUTOMOTIVE端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4.4 mmBase Number Matches：1

DAC7568IAPWR 数据手册

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DAC7568  
DAC8168  
DAC8568  
www.ti.com ..................................................................................................................................................... SBAS430A–JANUARY 2009–REVISED APRIL 2009  
12-/14-/16-Bit, Octal-Channel, Ultra-Low Glitch, Voltage Output  
DIGITAL-TO-ANALOG CONVERTERS with 2.5V, 2ppm/°C Internal Reference  
1
FEATURES  
APPLICATIONS  
•
•
•
•
Portable Instrumentation  
Closed-Loop Servo-Control/Process Control  
Data Acquisition Systems  
Programmable Attenuation, Digital Gain, and  
Offset Adjustment  
Programmable Voltage and Current Sources  
234  
• Relative Accuracy:  
– DAC7568 (12-Bit): 0.3 LSB INL  
– DAC8168 (14-Bit): 1 LSB INL  
– DAC8568 (16-Bit): 4 LSB INL  
•
Glitch Energy: 0.1nV-s  
Internal Reference:  
•
•
– 2.5V Reference Voltage (disabled by  
default)  
DESCRIPTION  
The DAC7568, DAC8168, and DAC8568 are  
low-power, voltage-output, eight-channel, 12-, 14-,  
and 16-bit digital-to-analog converters (DACs),  
respectively. These devices include a 2.5V, 2ppm/°C  
internal reference (disabled by default), giving a  
full-scale output voltage range of 2.5V or 5V. The  
internal reference has an initial accuracy of 0.004%  
and can source up to 20mA at the VREFIN/VREFOUT  
pin. These devices are monotonic, providing excellent  
linearity and minimizing undesired code-to-code  
transient voltages (glitch). They use a versatile 3-wire  
serial interface that operates at clock rates up to  
50MHz. The interface is compatible with standard  
SPI™, QSPI™, Microwire™, and digital signal  
processor (DSP) interfaces.  
– 0.004% Initial Accuracy (typ)  
– 2ppm/°C Temperature Drift (typ)  
– 5ppm/°C Temperature Drift (max)  
– 20mA Sink/Source Capability  
•
•
Power-On Reset to Zero Scale or Midscale  
Ultra-Low Power Operation: 1.25mA at 5V  
Including Internal Reference Current  
•
•
•
Wide Power-Supply Range: +2.7V to +5.5V  
Monotonic Over Entire Temperature Range  
Low-Power Serial Interface with  
Schmitt-Triggered Inputs: Up to 50MHz  
•
•
On-Chip Output Buffer Amplifier with  
Rail-to-Rail Operation  
The DAC7568, DAC8168, and DAC8568 incorporate  
a power-on-reset circuit that ensures the DAC output  
powers up at either zero scale or midscale until a  
valid code is written to the device. These devices  
contain a power-down feature, accessed over the  
serial interface, that reduces current consumption to  
typically 0.18µA at 5V. Power consumption (including  
internal reference) is typically 2.9mW at 3V, reducing  
to less than 1µW in power-down mode. The low  
power consumption, internal reference, and small  
footprint make these devices ideal for portable,  
battery-operated equipment.  
Temperature Range: –40°C to +125°C  
AVDD  
VREFIN/VREFOUT  
DAC7568  
DAC8168  
DAC8568  
2.5V  
Reference  
12-/14-/16-Bit  
DAC  
VOUT  
VOUT  
VOUT  
VOUT  
VOUT  
VOUT  
VOUT  
VOUT  
H
G
F
DAC Register H  
DAC Register G  
DAC Register F  
DAC Register E  
DAC Register D  
DAC Register C  
DAC Register B  
DAC Register A  
Data Buffer H  
Data Buffer G  
Data Buffer F  
Data Buffer E  
Data Buffer D  
Data Buffer C  
Data Buffer B  
Data Buffer A  
12-/14-/16-Bit  
DAC  
12-/14-/16-Bit  
DAC  
12-/14-/16-Bit  
DAC  
E
D
C
B
A
12-/14-/16-Bit  
DAC  
12-/14-/16-Bit  
DAC  
The DAC7568, DAC8168, and DAC8568 are drop-in  
and function-compatible with each other, and are  
available in TSSOP-16 and TSSOP-14 packages.  
12-/14-/16-Bit  
DAC  
12-/14-/16-Bit  
DAC  
SYNC  
SCLK  
DIN  
32-Bit Shift Register  
Buffer Control  
Register Control  
Power-Down  
Control Logic  
DEVICE COMPARISON  
12-BIT  
14-BIT  
16-BIT  
Control Logic  
Pin- and  
Function-Compatible  
DAC7568  
DAC8168  
DAC8568  
GND  
LDAC  
CLR  
1
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.  
2
3
4
SPI, QSPI are trademarks of Motorola, Inc.  
Microwire is a trademark of National Semiconductor.  
All other trademarks are the property of their respective owners.  
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 © 2009, Texas Instruments Incorporated  
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DAC7568IAPWR 替代型号

型号 品牌 替代类型 描述 数据表
DAC7568IAPW TI

完全替代

 12-/14-/16-Bit, Octal-Channel, Ultra-Low Glit

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