UPD9611 Datasheet, PDF (23/28 Pages) NEC – FOUR-CHANNEL PCM CODEC

µPD9611
Item
Symbol
Condition
Cross talk between channels CT
A/A
Input signal = 0 dBm0
Power supply rejection ratio
PSRR
AVDD1, AVDD2, AVDD3, AVDD4,
DVDD = 5 V ± 100 mVP-P
Coder offset
A/D
Input signal 0 V
Mutual modulation (2 tones) IMD A/D
Input signal:
f1, f2; 300 to 3400 Hz, –4 to –21 dBm0
Measuring signal: 2 × f1 – f2
level (2 × f1 – f2) vs level (f1, f2)
D/A
Input signal:
f1, f2; 300 to 3400Hz, –4 to –21 dBm0
Measuring signal: 2 × f1 – f2
level (2 × f1 – f2) vs level (f1, f2)
Discrimination
A/D
Input signal:
f; 4396 to 7796 Hz
0 dBm0
Measuring signal: 8000 – fHz
Out-of-band spurious
D/A
Input signal:
f; 204 to 3604 Hz
0 dBm0
Measuring signal: 8000 – fHz
In-band spurious
A/D
Input signal:
f; 700 to 1100 Hz
0 dBm0
Measuring signal: Any frequency
D/A
Input signal:
f; 700 to 1100 Hz
0 dBm0
Measuring signal: Any frequency
Single frequency noise
NSF
D/A
Gain setting = 0 dB
Measuring signal: f = up to 256 kHz
Transmit gain setting
∆DGSX A/D difference from reference setting value
Receive gain setting
∆DGSR D/A difference from reference setting value
MIN. TYP. MAX. Unit
–70 dB
–25 dB
–5
+5
–
44.0
dB
44.0
dB
–27 dB
–27 dB
–45 dB
–45 dB
–0.15
–0.15
–54 dBm0
+0.15 dB
+0.15
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