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CS47L85 Datasheet(PDF) 21 Page - Cirrus Logic

Part # CS47L85
Description  Low-Power Smart Codec with Seven DSP Cores, Voice and Media Enhancement, and Integrated Sensor Hub
PDF  370 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS47L85 Datasheet(HTML) 21 Page - Cirrus Logic

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CS47L85
Rev 4.3
21
Test Conditions
DBVDD1 = DBVDD2 = DBVDD3 = DBVDD4 = CPVDD1 = AVDD = LDOVDD = 1.8V, CPVDD2 = 1.2V,
DCVDD = FLLVDD = 1.2V (powered from LDO1), MICVDD = 2.5V (powered from LDO2), SPKVDDL = SPKVDDR = 4.2V,
TA = +25ºC, 1kHz sinusoid signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DAC to Earpiece Output (HPOUTnL, HPOUTnR, Mono Mode, RL = 32 BTL)
Maximum output power
PO
0.1% THD+N
106
mW
Signal to Noise Ratio
SNR
A-weighted,
Output signal = 1.41Vrms
127
dB
Dynamic Range
DR
A-weighted, -60dBFS input
119
dB
Total Harmonic Distortion
THD
PO = 75mW
-92
dB
Total Harmonic Distortion + Noise
THD+N
PO = 75mW
-91
dB
Total Harmonic Distortion
THD
PO = 5mW
-92
dB
Total Harmonic Distortion + Noise
THD+N
PO = 5mW
-91
dB
Output noise floor
A-weighted
0.7
µVRMS
PSRR (DBVDDn, LDOVDD,
CPVDD1, AVDD)
PSRR
100mV (peak-peak) 217Hz
85
dB
100mV (peak-peak) 10kHz
73
PSRR (SPKVDDL, SPKVDDR)
PSRR
100mV (peak-peak) 217Hz
110
dB
100mV (peak-peak) 10kHz
110
DAC to Earpiece Output (HPOUTnL, HPOUTnR, Mono Mode, RL = 16 BTL)
Maximum output power
PO
0.1% THD+N
106
mW
Signal to Noise Ratio
SNR
A-weighted,
Output signal = 1.41Vrms
127
dB
Dynamic Range
DR
A-weighted, -60dBFS input
119
dB
Total Harmonic Distortion
THD
PO = 75mW
-89
dB
Total Harmonic Distortion + Noise
THD+N
PO = 75mW
-88
dB
Total Harmonic Distortion
THD
PO = 5mW
-90
dB
Total Harmonic Distortion + Noise
THD+N
PO = 5mW
-89
dB
Output noise floor
A-weighted
0.7
µVRMS
PSRR (DBVDDn, LDOVDD,
CPVDD1, AVDD)
PSRR
100mV (peak-peak) 217Hz
85
dB
100mV (peak-peak) 10kHz
73
PSRR (SPKVDDL, SPKVDDR)
PSRR
100mV (peak-peak) 217Hz
110
dB
100mV (peak-peak) 10kHz
110



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