CMX983 Datasheet, PDF (81/93 Pages) CML Microcircuits – Programmable Channel Filter

Analogue Front End (AFE) for Digital Radio
CMX983
Operating Characteristics (continued)
AC Parameters
Aux ADC
Sample/hold startup time
Resolution
Aux ADC clock period
Integral non-linearity
Differential non-linearity
Zero error (offset)
Input capacitance
Aux Comparators
Internal 2.5V reference voltage
Comparator offset voltage
Aux DACs
Capacitive load on Aux DAC output
Resolution
Settling time to 0.5 LSB
Integral non-linearity
Differential non-linearity
Zero error (offset)
Output current (individual Aux DAC output)
Total output current (sum of all Aux DACs)
Output noise voltage (100 Hz – 30kHz)
Notes Min. Typ. Max. Unit
30
–
500
20
–
20, 21
–
–
–
–
–
µs
10
–
bits
–
1000
ns
–
±2
bits
–
±1
bits
–
±10
mV
–
5
pF
2.3
2.5
2.7
V
–
±6.5
±10
mV
–
–
100
pF
–
10
–
bits
22
–
–
10
µs
–
–
±4
bits
24
–
–
±1
bits
–
±5.5
±10
mV
23
–
–
±2.3
mA
–
–
±10
mA
–
30
–
µV rms
Notes: 20. Non-linearity is specified between 0.5% and 99.5% of full scale.
21. Guaranteed monotonic (no missing codes).
22. Worst case large signal transition.
23. DAC output voltage in the range 0.2V to AV_DD – 0.2V at maximum output current
24. Not applicable in alternate routing mode
 2015 CML Microsystems Plc
81
D/983/6