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MAX5291

更新时间: 2024-11-20 14:57:55
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亚德诺 - ADI /
页数 文件大小 规格书
35页 847K
描述
带缓冲、快速建立、双通道、12/10/8位、电压输出DAC

MAX5291 数据手册

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19-3005; Rev 3; 7/07  
Buffered, Fast-Settling, Dual, 12-/10-/8-Bit,  
Voltage-Output DACs  
General Description  
Features  
The MAX5290–MAX5295 dual, 12-/10-/8-bit, voltage-  
output digital-to-analog converters (DACs) offer  
buffered outputs and a 3µs maximum settling time at  
the 12-bit level. The DACs operate from a 2.7V to 5.25V  
analog supply and a separate 1.8V to 3.6V digital sup-  
ply. The 20MHz 3-wire serial interface is compatible  
with SPI™, QSPI™, MICROWIRE™, and digital signal  
processor (DSP) protocol applications. Multiple devices  
can share a common serial interface in direct access or  
daisy-chained configuration. The MAX5290–MAX5295  
provide two multifunctional, user-programmable, digital  
I/O ports. The externally selectable power-up states of  
the DAC outputs are either zero scale, midscale, or full  
scale. Software-selectable FAST and SLOW settling  
modes decrease settling time in FAST mode, or reduce  
supply current in SLOW mode.  
Dual, 12-/10-/8-Bit Serial DACs in 4mm x 4mm  
Thin QFN and TSSOP Packages  
3µs (max) 12-Bit Settling Time to 1/2 LSB  
Integral Nonlinearity  
1 LSB (max) MAX5290/MAX5291 A-Grade (12-Bit)  
1 LSB (max) MAX5292/MAX5293 (10-Bit)  
1/2 LSB (max) MAX5294/MAX5295 (8-Bit)  
Guaranteed Monotonic, 1 LSB (max) DNL  
Two User-Programmable Digital I/O Ports  
Single +2.7V to +5.25V Analog Supply  
+1.8V to AV  
Digital Supply  
DD  
20MHz 3-Wire SPI-/QSPI-/MICROWIRE- and  
DSP-Compatible Serial Interface  
The MAX5290/MAX5291 are 12-bit DACs, the MAX5292/  
MAX5293 are 10-bit DACs, and the MAX5294/MAX5295  
are 8-bit DACs. The MAX5290/ MAX5292/MAX5294 pro-  
vide unity-gain-configured output buffers, while the  
MAX5291/MAX5293/MAX5295 provide force-sense-con-  
figured output buffers. The MAX5290– MAX5295 are  
specified over the extended -40°C to +85°C temperature  
range, and are available in space-saving 4mm x 4mm,  
16-pin thin QFN and 6.5mm x 5mm, 14-pin and 16-pin  
TSSOP packages.  
Glitch-Free Outputs Power Up to Zero Scale,  
Midscale or Full Scale  
Unity-Gain- or Force-Sense-Configured Output  
Buffers  
Ordering Information  
Applications  
Portable Instrumentation  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
14 TSSOP  
MAX5290AEUD  
MAX5290BEUD  
MAX5290AETE*  
MAX5290BETE*  
MAX5291AEUE  
MAX5291BEUE  
MAX5291AETE*  
MAX5291BETE*  
MAX5292EUD  
MAX5292ETE*  
MAX5293EUE  
MAX5293ETE*  
MAX5294EUD  
MAX5294ETE*  
MAX5295EUE  
MAX5295ETE*  
Automatic Test Equipment (ATE)  
Digital Offset and Gain Adjustment  
Automatic Tuning  
14 TSSOP  
16 Thin QFN-EP**  
16 Thin QFN-EP**  
16 TSSOP  
Programmable Voltage and Current Sources  
Programmable Attenuators  
16 TSSOP  
Industrial Process Controls  
16 Thin QFN-EP**  
16 Thin QFN-EP**  
14 TSSOP  
Motion Control  
Microprocessor (µP)-Controlled Systems  
Power Amplifier Control  
16 Thin QFN-EP**  
16 TSSOP  
Fast Parallel-DAC to Serial-DAC Upgrades  
16 Thin QFN-EP**  
14 TSSOP  
16 Thin QFN-EP**  
16 TSSOP  
Selector Guide and Pin Configurations appear at end of data  
sheet.  
16 Thin QFN-EP**  
*Future product—contact factory for availability. Specifications  
are preliminary.  
SPI/QSPI are trademarks of Motorola, Inc.  
MICROWIRE is a trademark of National Semiconductor Corp.  
**EP = Exposed paddle.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

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