概述
The MAX501/MAX502 are 12-bit, 4-quadrant, voltage-output, multiplying digital-to-analog converters (DACs) with an output amplifier. Thin-film resistors, laser trimmed at the wafer level, maintain accuracy over the full operating temperature range.
The MAX501/MAX502 have buffered latches that are easily interfaced with microprocessors. Data is transferred into the input register in either a right-justified 8 + 4-bit format (MAX501) or with a 12-bit-wide data path (MAX502). In the MAX501, an active-low LDAC signal transfers data from the input register to the DAC register. In the MAX502, the input registers are controlled by standard active-low CHIP SELECT (active-low CS) and active-low WRITE (active-low WR) signals. For stand-alone operation, the active-low CS and active-low WR inputs are grounded, making all latches transparent. All logic inputs are level triggered and compatible with TTL and +5V CMOS logic levels. The internally compensated, low-input offset-voltage output amplifier provides an output voltage from +10V to -10V while sourcing and sinking up to 5mA.
关键特性
12-Bit Voltage Output DAC
±10V and 5mA Output Drive
Monotonic Over Temperature
Four Range-Scaling Resistors
8 + 4 (MAX501) and 12-Bit (MAX502) Interface
24-Pin DIP and Wide SO Packages
应用
自动测试设备
数字衰减器
数字至4mA-20mA转换器
可编程电源
可编程增益放大器
伺服控制系统
MAX501功能原理框图

关键参数
| Part Number |
Resolution (bits) |
Channels | Output Type | Reference |
INL (±LSB) |
Interface |
Supply Range (V) |
ICC (mA) |
Oper. Temp. (°C) |
Budgetary Price |
|||||
| max | max | max | See Notes | ||||||||||||
| MAX501 | 12 | 1 | Voltage- Buffered | Ext. |
|
Parallel - Byte Wide | 15.75 | 14 |
|
$6.79 @1k | |||||
| MAX502 | Parallel - Full Word | $6.92 @1k |