VS1002D Datasheet, PDF (11/54 Pages) List of Unclassifed Manufacturers – MP3 AUDIO CODEC

VLSI
Solution ^y
VS1002D
VS1002d
4. CHARACTERISTICS & SPECIFICATIONS
4.3 Analog Characteristics
Unless otherwise noted: AVDD=2.5..3.6V, DVDD=2.3..3.6V, TA=-40..+85^◦C, XTALI=12..13MHz,
internal Clock Doubler active. 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 100 mVpp, f=1 kHz.
Parameter
Symbol Min Typ Max Unit
DAC Resolution
18
bits
Total Harmonic Distortion
THD
0.1 0.2 %
Dynamic Range (DAC unmuted, A-weighted)
IDR
90
dB
S/N Ratio (full scale signal)
SNR 70 85
dB
Interchannel Isolation (Cross Talk), AC-coupled
Interchannel Isolation (Cross Talk), with GBUF
50 75
dB
40
dB
Interchannel Gain Mismatch
Frequency Response 20 Hz..15000 Hz
-0.5
0.5 dB
-0.2
0.2 dB
Frequency Response 15000 Hz..19000 Hz
Full Scale Output Voltage (Peak-to-peak)
Deviation from Linear Phase
Analog Output Load Resistance
-1.0
-0.2 dB
1.4 1.6¹ 2.0 Vpp
5^◦
AOLR 16 30²
Ω
Analog Output Load Capacitance
Microphone input impedance
Microphone input amplitude
Microphone Total Harmonic Distortion
MTHD
100 pF
100
kΩ
100³ 280 mVpp AC
0.03 0.10 %
Microphone S/N Ratio
MSNR 70 82
dB
1 _{3.2 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 _{100 mVpp is optimum level. Above typical amplitude the Harmonic Distortion increases.}
4.4 Power Consumption
Average current tested with an MPEG 1.0 Layer III 128 kbit/s sample and generated sine, output at full
volume, XTALI = 12.288 MHz, internal clock doubler enabled, DVDD = 2.7 V, AVDD = 2.7 V.
Parameter
Min Typ Max Unit
Power Supply Consumption AVDD, Reset
Power Supply Consumption DVDD, Reset
0.6 5.0 µA
3.7 10.0 µA
Power Supply Consumption AVDD, sine test, 30Ω + GBUF
22 30 mA
Power Supply Consumption DVDD, sine test
9 18 mA
Power Supply Consumption AVDD, no load
Power Supply Consumption AVDD, output load 30Ω
Power Supply Consumption AVDD, 30Ω + GBUF
6
mA
10
mA
16
mA
Power Supply Consumption DVDD
19
mA
Version 1.0, 2005-04-27
11