PS081
Overview
1.1
Features
- - RMS noise:
- - 20.1n V fast settle, 5 Hz
- - 11.5 n V SINC3, 5 Hz
- - 8.9 n V SINC5, 5 Hz
- - Up to 250,000 peak-peak divisions in weighing applications (2 m V/V strain)
- - Scalable udapte rate from < 1 Hz to 1000 Hz
- - Current consumption:
- - ~ 0.39 m A PSØ81 itself (at maximum speed)
- - ~ 0.005 m A PSØ81 itself (at low cur- rent configuration)
- - ~ 0.001 m A standby current
- - Power supply voltage: 2.1 V to 3.6 V
- - Converter type: Time-to-digital converter
(TDC)
- - Resolution: 28 bit ENOB (RMS) or 25.8 bit noise-free (peak-to-peak)
- - 24-Bit internal microprocessor with 2 KB reprogrammable EEPROM
- - Internal LCD controller for 4x14, 3x15 and
2x16 segments
- - 4-wire serial SPI interface
- - Internal very low current 10 k Hz oscillator
- - 6 I/O pins, configurable up to 21 inputs or 5 outputs
- - Very high power supply rejection ratio (PSRR)
- - Very low gain and offset drift
- - Embedded charge pump for driving the LCD
- - Embedded bandgap...
