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TC94B14MFG
5-4-10 Audio DAC Characteristics
Characteristics
Lo,Ro pin output impedance
Symbol
Test
Circuit
Zo
-
THD + N (1)
Noise distortion factor
1
THD + N (2)
Test Condition
Min
Typ.
Max
Unit
⎯
2
⎯
kΩ
1 kHz sine wave,
full scale input.
⎯
−88
−80
10 kHz sine wave,
full scale input.
⎯
−93
−78
dB
S/N (1)
1
Internal zero detection on
93
101
⎯
dB
Dynamic range
DR
1
1 kHz sine wave,
−60 dB input conversion
90
98
⎯
dB
Crosstalk
CT
1
1 kHz sine wave,
full scale input.
⎯
−97
−90
dB
DACout
1
1 kHz sine wave,
full scale input.
780
820
860
mVrms
S/N ratio
Analog output amplitude
Stop band Attenuation = -60dB, In band ripple = below +/- 0.025dB
This characteristic is the characteristic at the time of 1x Playback mode.
Test circuit 1: The application circuit shown in the following example is used.
TC94B14MFG
Application circuit
Lout
20 kHz
Distortion
meter
ideal LPF
Rout
LPF: Filter incorporated in the SHIBASOKU distortion meter 725D.
Distortion meter: SHIBASOKU 725D or equivalent.
Characteristics
Distortion Filter Setting:
A-weight
THD + N, CT
OFF
S/N, DR
ON
A-weight: IEC-A or
equivalent
Application circuit example
TC94B14MFG
TC94A93MFG
3.3V
XVDD3
DVSS3R
680pF
Xo
3.3V
DVDD3R
DVDD3L
3.3uF
XVSS3
DVSS3L
27
10kΩ
Lo
680pF
16.9344MHz
1MΩ
Xi
10kΩ
3.3uF
Ro
2010-01-12