MCP45HV51T-502E/ST集成電路（IC）的數字電位計規(guī)格書PDF中文資料

MCP45HV51T-502E/ST屬于集成電路（IC）的數字電位計。由微芯科技股份有限公司制造生產的MCP45HV51T-502E/ST數字電位計數字電位器是一系列集成電路器件，可提供類似于傳統(tǒng)機械電位器或變阻器的可調節(jié)電阻，但通過電子信號而非機械輸入來進行控制。雖然這些器件的電阻可耗散的電能相對有限，但其電子控制能力有助于小型化、自動化和遠程控制信號級模擬電路，而這些電路本來可能會使用機械電位器。

Features

? High-Voltage Analog Support:

- +36V Terminal Voltage Range (DGND = V-)

- ±18V Terminal Voltage Range

(DGND = V- + 18V)

? Wide Operating Voltage:

- Analog: 10V to 36V (specified performance)

- Digital: 2.7V to 5.5V

1.8V to 5.5V (VL ? V- + 2.7V)

? Single-Resistor Network

? Resistor Network Resolution

- 7-bit: 127 Resistors (128 Taps)

- 8-bit: 255 Resistors (256 Taps)

? RAB Resistance Options:

- 5k? ??10 k?

- 50k? ??100 k?

? High Terminal/Wiper Current (IW) Support:

- 25 mA (for 5 k?)

- 12.5 mA (for 10 k?)

- 6.5 mA (for 50 k? and 100 k?)

? Zero-Scale to Full-Scale Wiper Operation

? Low Wiper Resistance: 75 ? (typical)

? Low Tempco:

- Absolute (Rheostat): 50 ppm typical

(0°C to +70°C)

- Ratiometric (Potentiometer): 15 ppm typical

? I2C Serial Interface:

- 100 kHz, 400 kHz, 1.7 MHz,

and 3.4 MHz support

? Resistor Network Terminal Disconnect Via:

- Shutdown Pin (SHDN)

- Terminal Control (TCON) Register

? Write Latch (WLAT) Pin to Control Update of

Volatile Wiper Register (such as Zero Crossing)

? Power-On Reset/Brown-Out Reset for Both:

- Digital supply (VL/DGND); 1.5V typical

- Analog supply (V+/V-); 3.5V typical

? Serial Interface Inactive Current (3 μA typical)

? 500 kHz Typical Bandwidth (-4 dB) Operation

(5.0 k? Device)

? Extended Temperature Range (-40°C to +125°C)

? Package Types: TSSOP-14 and VQFN-20 (5x5)