Measure Mode 2

• 1 channel with typ. 90 ps resolution
• Double resolution mode with 45 ps, Quad resolution mode with 22 psresolution
• Measurement range 500 ns to 4 ms
• 2 x CLKHS pulse-pair resolution with 3-fold multihit capability
• Each of the 3 events can be assigned to an adjustable measuring window with 10 ns resolution

Analog Input Circuit

• Chopper-stabilized low-offset comparator
• 2 analog switches for input selection
• External circuit is reduced to 2 resistors and 2 capacitors

Special Functions

• Fire pulse generator, up to 127 pulses
• Trigger to rising and/or falling edge
• Precise stop enable by windowing
• Low-power 32 kHz oscillator (500 nA)
• Clock calibration unit
• 7x32 Bit EEPROM

Temperature Measurement Unit

• 2 or 4 sensors
• PT100/PT500/PT1000 or higher
• Schmitt trigger integrated
• Very high resolution: up to 17.5 Bit eff. (0.004 °C resolution for platinum sensors)
• Ultra low current (0.08 µA when measuring every 30 seconds)

Measure Mode 1

• 2 channels with typ. 90 ps resolution
• 1-channel double resolution with typ. 45 ps
• Range 3.5 ns (0 ns) to 2.5 µs
• 20 ns pulse-pair resolution, 4-fold multihit

General

• 4-wire SPI interface
• Up to 1 million measurements per second im measure mode 1
• I/O voltage 2.5 V to 3.6 V
• Core voltage 2.5 V to 3.6 V
• Temperature range – 40 °C to +125 °C
• QFN 32 package