MAX5232, MAX5233
3V/5V、10位、串行电压输出、双路DAC，内置电压基准
概述
完整的数据资料
(PDF, 352kB)
英文 下载
MAX5232/MAX5233是低功耗、双路10位电压输出数模转换(DAC)，具有内部10ppm/°C精密带隙基准电压和精密的输出放大器。MAX5233为5V单电源工作，带2.465V内部基准，具有4.092V满量程输出范围。MAX5232为3V单电源工作，带1.234V内部参考，具有2.046V满量程输出范围。MAX5233消耗仅470µA的电源电流，MAX5232消耗仅420µA的电源电流。两款芯片都具有低功耗(2µA)软件和硬件使能的关断模式。
关键特性
应用/使用
内置10ppm/°C精密的带隙基准电压
2.465V (MAX5233)
1.234V (MAX5232)
30ppm/°C (最大)满量程输出范围
4.092V (MAX5233)
2.046V (MAX5232)
单电源工作
5V (MAX5233)
3V (MAX5232)
低电源电流消耗
470µA (MAX5233)
420µA (MAX5232)
13.5MHz、SPI/QSPI/MICROWIRE兼容的3线串行接口
引脚可编程上电复位状态：0或电压输出中间值
1kΩ或200kΩ内部输出负载的可编程关断模式
唤醒时将输出设为关断或复位之前的状态
缓冲器输出驱动5kΩ || 100pF负载
节省空间的16引脚QSOP封装
Key Specifications:
Precision DACs (4-12 Bits)
Part Number
Number of Bits
Number of Channels
Output Type
Reference
Max. INL (±LSB)
Interface
Min. Single Supply (V)
Max. Single Supply (V)
Operating Temp. Range (°C)
Price**
MAX5232
10
2
Voltage- Buffered
Int.
0.5
Serial - SPI
2.7
3.6
-40 to +85
$4.48 @ 1k
MAX5233
4.5
5.5
$4.48 @ 1k
See All Precision DACs (4-12 Bits) (261)
Notes:
** This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
参考文献： 19-2331;
Rev. 1;
2003-09-24
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