LC786800E Datasheet, PDF (18/26 Pages) Sanyo Semicon Device – Compressed Audio signal Processor IC with USB host controller

Audio Data Input/Output Function
LC786800E
AC Electrical Characteristics at Ta = 25C, VDD1 = 3.3V, DVSS = AVSS1 = AVSS2 = XVSS = 0V,
Fs=44.1kHz, Audio Signal Frequency: 1kHz, Measurement Range: 10Hz to 20kHz
Parameter
Symbol
Pin names
Conditions
min
typ
max
unit
(Input selector+ADC)
Full scale analog input level
Input impedance
2.605
20
2.805
(0.85  VDD1)
30
3.005 Vp-p
kΩ
Gain setting level
-12
19 dB
Gain setting step
L1IN,
Gain setting step error
R1IN,
-0.5
L2IN,
0dB Data,
Signal to noise ratio
S/N
R2IN,
20kHz-LPF,
90
L3INP,
A-filter
L3INN,
-60dB Data,
Dynamic range
DR
R3INP,
20kHz-LPF,
90
R3INN
A-filter
Total harmonic distortion
THD+N
Input condition :
-3dBFS
1
dB
0.5 dB
95
dB
95
dB
-85
-80 dB
Cross talk1
CT1
Between Channels
-100
-85 dB
Cross talk2
CT2
Between Sources
-100
-85 dB
(ADC digital filter)
Passband frequency
±0.04dB
0
0.4535 Fs
Stopband frequency
0.5465
Fs
Passband ripple
±0.04 dB
Stopband attenuation
HPF cut off Frequency for DC
offset cancelation
24.1kHz
-69
dB
0.00002
Fs
(Audio DAC)
Full scale analog output level
Signal to noise ratio
Dynamic range
Total harmonic distortion
Cross talk
S/N
DACOUTL,
DR
DACOUTR
THD+N
CT
0dB Data,
20kHz-LPF,
A-filter
-60dB Data,
20kHz-LPF,
A-filter
0dB Data,
20kHz-LPF
0dB Data,
20kHz-LPF
2.605
2.805
(0.85  VDD1)
95
98
3.005 Vp-p
dB
94
98
dB
-85
-100
-80 dB
-85 dB
(DAC digital filter)
Passband frequency
±0.015dB
0
0.4535 Fs
Stopband frequency
0.5465
Fs
Passband ripple
±0.015 dB
Stopband attenuation
-62
dB
HPF cut off frequency for DC offset
cancelation
-3dB
0.0000385
Fs
(Electronic volume)
Input impedance
LVRIN,RVRIN
7.5
10
k
Volume setting range
-70
0 dB
Mute level
Volume setting step
Volume setting step error
LFOUT,
LROUT,
RFOUT,
RROUT
0dB to -32dB
-32dB to -70dB
0 dB to -32dB
-32 dB to -70dB
80
-0.125
-0.5
90
dB
0.25
dB
1.0
dB
0.125 dB
0.5 dB
No.A2082-18/26