VS1103B Datasheet, PDF (10/61 Pages) List of Unclassifed Manufacturers – MIDI/ADPCM AUDIO CODEC

VLSI
Solution ^y
VS1103b
VS1103B
3. CHARACTERISTICS & SPECIFICATIONS
3.3 Analog Characteristics
Unless otherwise noted: AVDD=2.5..2.85V, CVDD=2.4..2.7V, IOVDD=CVDD-0.6V..3.6V, TA=-25..+70^◦C,
XTALI=12..13MHz, Internal Clock Multiplier 3.5×. DAC tested with 1307.894 Hz full-scale output
sinewave, measurement bandwidth 20..20000 Hz, analog output load: LEFT to GBUF 30Ω, RIGHT to
GBUF 30Ω. Microphone test amplitude 50 mVpp, f_s=1 kHz, Line input test amplitude 1.1 V, f_s=1 kHz.
Parameter
Symbol Min Typ Max Unit
DAC Resolution
18
bits
Total Harmonic Distortion
THD
0.1 0.3 %
Dynamic Range (DAC unmuted, A-weighted)
IDR
90
dB
S/N Ratio (full scale signal)
SNR 70
dB
Interchannel Isolation (Cross Talk)
50 75
dB
Interchannel Isolation (Cross Talk), with GBUF
40
dB
Interchannel Gain Mismatch
-0.5
0.5 dB
Frequency Response
Full Scale Output Voltage (Peak-to-peak)
Deviation from Linear Phase
Analog Output Load Resistance
-0.1
1.3 1.5¹
AOLR 16 30²
0.1 dB
1.7 Vpp
5
◦
Ω
Analog Output Load Capacitance
100 pF
Microphone input amplifier gain
Microphone input amplitude
MICG
26
dB
50 140³ mVpp AC
Microphone Total Harmonic Distortion
MTHD
0.02 0.10 %
Microphone S/N Ratio
Line input amplitude
MSNR 50 62
dB
2200 2800³ mVpp AC
Line input Total Harmonic Distortion
LTHD
0.06 0.10 %
Line input S/N Ratio
LSNR 60 68
dB
Line and Microphone input impedances
100
kΩ
1 _{3.0 volts can be achieved with +-to-+ wiring for mono difference sound.}
2 _{AOLR may be much lower, but below Typical distortion performance may be compromised.}
3 _{Harmonic Distortion increases above typical amplitude.}
Version 1.01, 2007-09-03
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