VLSI
Solution
y
VS1011e
VS1011E
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.
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)
50
75
dB
Interchannel Isolation (Cross Talk), with GBUF
40
dB
Interchannel Gain Mismatch
-0.5
0.5
dB
Frequency Response
-0.1
0.1
dB
Full Scale Output Voltage (Peak-to-peak)
1.4
1.61
2.0
Vpp
Deviation from Linear Phase
5
◦
Analog Output Load Resistance
AOLR
16
302
Ω
Analog Output Load Capacitance
100
pF
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.
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 = 2.5 V, AVDD = 2.7 V.
Parameter
Min
Typ
Max
Unit
Power Supply Consumption AVDD, Reset
0.5
30
µA
Power Supply Consumption DVDD, Reset
1
30
µA
Power Supply Consumption AVDD, sine test, 30Ω
20
mA
Power Supply Consumption AVDD, sine test, 30Ω + GBUF
39
50
mA
Power Supply Consumption DVDD, sine test
8
17
mA
Power Supply Consumption AVDD, no load
6
mA
Power Supply Consumption AVDD, output load 30Ω
10
mA
Power Supply Consumption AVDD, 30Ω + GBUF
16
mA
Power Supply Consumption DVDD
16
mA
Version 1.04,
2007-10-08
10
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