Specifications

VLSI
Solution
y
VS1053b
VS1053B
4. CHARACTERISTICS & SPECIFICATIONS
4.3 Analog Characteristics
Unless otherwise noted: AVDD=3.3V, CVDD=1.8V, IOVDD=2.8V, REF=1.65V, TA=-30..+85
◦
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 30 Ω, RIGHT to
GBUF 30 Ω. Microphone test amplitude 48 mVpp, f
s
=1 kHz, Line input test amplitude 1.26 V, f
s
=1 kHz.
Parameter Symbol Min Typ Max Unit
DAC Resolution 18 bits
Total Harmonic Distortion THD 0.07 %
Third Harmonic Distortion 0.02 %
Dynamic Range (DAC unmuted, A-weighted) IDR 100 dB
S/N Ratio (full scale signal) SNR 94 dB
Interchannel Isolation (Cross Talk), 600Ω + GBUF 80 dB
Interchannel Isolation (Cross Talk), 30Ω + GBUF 53 dB
Interchannel Gain Mismatch -0.5 0.5 dB
Frequency Response -0.1 0.1 dB
Full Scale Output Voltage (Peak-to-peak) 1.64 1.85
1
2.06 Vpp
Deviation from Linear Phase 5
◦
Analog Output Load Resistance AOLR 16 30
2
Ω
Analog Output Load Capacitance 100 pF
Microphone input amplifier gain MICG 26 dB
Microphone input amplitude 48 140
3
mVpp AC
Microphone Total Harmonic Distortion MTHD 0.03 0.07 %
Microphone S/N Ratio MSNR 60 70 dB
Microphone input impedances, per pin 45 kΩ
Line input amplitude 2500 2800
3
mVpp AC
Line input Total Harmonic Distortion LTHD 0.005 0.014 %
Line input S/N Ratio LSNR 85 90 dB
Line input impedance 80 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
Above typical amplitude the Harmonic Distortion increases.
Version 1.01, 2008-05-22 11