CMX981 Consumer Microcircuits Limited, CMX981 Datasheet - Page 57

• Manufacturer Part Number: CMX981
• Description: Advanceddigital Radio Baseband Processor (tetra Etc.)
• Manufacturer: Consumer Microcircuits Limited

Advanced Digital Radio Baseband Processor
Auxiliary Circuit Parameters
Auxiliary Circuit Notes:
 2002 CML Microsystems Plc
DACs
Resolution
Settling time to 0.5 LSB
Output resistance
Integral non-linearity
Differential non-linearity
Zero error (offset)
Power (all DACs operating)
Resistive load
Output noise voltage in 30kHz bandwidth
ADC and Multiplexed Inputs
Resolution
Sample rate
Conversion time
Integral non-linearity
Differential non-linearity
Zero error (offset)
A-D clock frequency
Input capacitance
Power
1. Worst case large signal transition.
2. Guaranteed monotonic.
3. Conversion time =
4. No missing codes.
either MCLK/8 or MCLK/16, as shown in the table below:
A-D Clock Frequency:
Conversion time:
Due to latency in the control logic, the maximum sample rate is lower than this. Refer to
the output rate details in the Receive Parameters section.
Parameter
A-D clock frequency
10
57
Notes
, where A-D clock frequency is programmable to
MCLK/16
80/MCLK
Minimum
2
6
5
1
4
80/MCLK
MCLK/16
Min.
5.0
Typ.
5.0
10
10
160/MCLK
MCLK/84
MCLK/8
Max.
160/MCLK
10.0
Maximum
250
10.0
4.0
5.0
1.0
MCLK/8
10
4
1
2
1
Units
V rms
mW
mW
Bits
Bits
Bits
Bits
Bits
Bits
CMX981
D/981/1
mV
mV
k
Hz
Hz
pF
s
s