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DAC8544IPFBRG4 PDF预览

DAC8544IPFBRG4

更新时间： 2024-11-05 20:07:55
品牌 Logo 应用领域
德州仪器 - TI 输入元件转换器
页数 文件大小 规格书
23页 736K
描述
PARALLEL, WORD INPUT LOADING, 12us SETTLING TIME, 16-BIT DAC, PQFP48, PLASTIC, TQFP-48

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DAC8544IPFBRG4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：QFP
包装说明：TFQFP, TQFP48,.35SQ针数：48
Reach Compliance Code：unknown风险等级：5.78
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：PARALLEL, WORDJESD-30 代码：S-PQFP-G48
JESD-609代码：e4长度：7 mm
最大线性误差 (EL)：0.098%湿度敏感等级：2
位数：16功能数量：1
端子数量：48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：TFQFP封装等效代码：TQFP48,.35SQ
封装形状：SQUARE封装形式：FLATPACK, THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：260电源：3/5 V
认证状态：Not Qualified座面最大高度：1.2 mm
最大稳定时间：10 µs标称安定时间 (tstl)：12 µs
子类别：Other Converters最大压摆率：1.6 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：GULL WING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：7 mmBase Number Matches：1

DAC8544IPFBRG4 数据手册

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DAC8544  
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www.ti.com  
SLAS420A–MAY 2004–REVISED JUNE 2005  
QUAD, 16-BIT, RAIL-TO-RAIL VOLTAGE OUTPUT, PARALLEL INTERFACE,  
DIGITAL-TO-ANALOG CONVERTER  
FEATURES  
DESCRIPTION  
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Single Supply: +2.7 V to +5.5 V  
Micropower Operation: 950 µA @ 5 V  
Rail-To-Rail Voltage Output  
Ultralow Crosstalk: –110 dB  
Settling Time: 10 µs To ±0.003% FSR  
16-Bit Monotonic  
Offset Error: ±0.3 mV  
Gain Error: ±1 mV  
Total Error: ±3 mV  
The DAC8544 is a low-power, quad-channel, 16-bit,  
voltage output DAC. Its on-chip precision output  
amplifier allows rail-to-rail voltage swing to be  
achieved at the output. The DAC8544 is 16-bit  
monotonic and offers exceptional absolute accuracy  
with ultralow crosstalk. The DAC8544 uses a 16-bit  
parallel interface and features additional power-down  
function pins as well as hardware-enabled, synchron-  
ous DAC updating and reset capability.  
The DAC8544 requires an external reference voltage  
to set the output range of the DAC. The device  
incorporates a power-on-reset circuit that ensures  
that the DAC outputs power up at zero volt and  
remains there until a valid write takes place. In  
addition, the DAC8544 contains a power-down fea-  
ture, accessed via PD pin, that reduces the current  
consumption of the device to 400 nA at 5 V. The  
power consumption is typically under 5 mW at  
VDD = 5 V.  
Per-Channel VREF+, VREF–, VFB Pins  
Logic Compatible: +1.8 V to +5.5 V  
Readback Capability  
Double Buffered Inputs  
Simultaneous or Sequential Update  
Schmitt-Triggered Digital Inputs  
Hardware Reset  
48-Lead TQFP Package  
The DAC8544 is available in a 48-lead TQFP pack-  
age with an operating temperature range of –40°C to  
+105°C.  
APPLICATIONS  
•
•
•
•
•
Process Control  
Data Acquisition Systems  
Closed-Loop Servo Control  
PC Peripherals  
Optical Networking  
V
REFA  
+
V
REFA  
−
V
REFB  
+
V
REFB  
−
IOV  
DD  
IOGND  
V
DD  
GND  
Power-On  
Reset  
DAC8544  
V
V
FBA  
DAC  
D15  
D0  
16 Bit  
DAC  
Input  
Register  
Buffer  
Buffer  
OUTA  
Register  
V
V
V
FBB  
OUTB  
FBC  
CS  
LDAC  
RST  
Interface  
Logic  
V
OUTC  
V
FBD  
16 Bit  
DAC  
Input  
Register  
DAC  
Register  
V
OUTD  
R/W  
Power-Down  
Logic  
A1  
A0  
PD  
V
REFD  
−
V
REFD  
+
V
REFC  
+
V
REFC  
−
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.  
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 © 2004–2005, Texas Instruments Incorporated  
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