Datasheet

PicoScope 4444 differential oscilloscope
HORIZONTAL
Maximum sampling rate (real time)
12-bit mode
1 channel: 400 MS/s
2 channels: 200 MS/s
3 or 4 channels: 100 MS/s
Maximum sampling rate (real time)
14-bit mode
1 channel: 50 MS/s
2 channels: 50 MS/s
3 or 4 channels: 50 MS/s
Maximum sampling rate (USB
streaming)
10 MS/s
Capture memory (real time) 256 MS shared between active channels
Capture memory (USB streaming) 100 MS (shared between active channels)
Maximum duration of capture at fastest
sampling rate (real time), 12-bit mode
500 ms
Maximum duration of capture at fastest
sampling rate (real time), 14-bit mode
5 s
Maximum waveform buffer segments 10 000
Fastest real-time collection time,
12-bit mode
50 ns (5 ns/div)
Fastest real-time collection time,
14-bit mode
200 ns (20 ns/div)
Slowest real-time collection time 50 000 s (5000 s/div)
Collection time accuracy ±50 ppm (5 ppm/year aging)
Sample jitter 3 ps RMS typical
ADC sampling Simultaneous sampling on all enabled channels
DYNAMIC PERFORMANCE (TYPICAL)
OSCILLOSCOPE SPECIFICATIONS SPECIFICATIONS WITH PICOCONNECT 442 1000 V CAT III PROBE
Crosstalk 2000:1 DC to 20 MHz 2000:1 DC to 10 MHz
Harmonic distortion at 100 kHz,
90%offullscale
< –70 dB on ±50 mV ranges and higher
< –60 dB on ±10 mV and ±20 mV ranges
< –70 dB
SFDR > 70 dB > 70 dB
ADC ENOB, 12-bit mode 10.8 bits 10.8 bits
ADC ENOB, 14-bit mode 11.8 bits 11.8 bits
Noise <180µVRMSon±10mVrange < 5 mV RMS on ±2.5 V range
Bandwidth flatness (+0.1 dB, –3 dB) DC to full bandwidth (+0.1 dB, –3 dB) DC to full bandwidth
Common mode rejection ratio 60 dB typical, DC to 1 MHz 55 dB typical, DC to 1 MHz