LTC2645 PDF Datasheet


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Description

This is Quad 12-/10-/8-Bit PWM to VOUT DACs. Features n No Latency PWM-to-Voltage Conversion n Voltage Output Updates and Settles within 8 s n 100kH- to 30H- PWM Input Frequency n ±2.5LSB Max INL; ±1LSB Max DNL (LTC2645-12) n Guaranteed Monotonic n Pin-Selectable Internal or External Reference n 2.7V to 5.5V Supply Range n 1.71V to 5.5V Input Voltage Range n Low Power: 4mA at 3V, <1 A Power-Down n Guaranteed Operation from 40°C to 125°C n 16-Lead MSOP Package Applications n Digital Calibration n Trimming and Adjustment n Level Setting n Process Control and Industrial Automation n Instrumentation n Automotive LTC2645 Quad 12-, 10-, 8-Bit PWM to VOUT DACs with 10ppm, °C Reference Description The LTC®2645 is a family of quad 12-, 10-, and 8-bit PWMto-voltage output DACs with an integrated high accuracy, low drift, 10ppm, °C reference in a 16-lead MSOP package. It has rail-to-rail output buffers and is guaranteed monotonic. The LTC2645 measures the period and pulse width of the PWM input signals and updates the voltage .