tc9470fn TOSHIBA Semiconductor CORPORATION, tc9470fn Datasheet - Page 17

• Manufacturer Part Number: tc9470fn
• Description: Modulation Da Converter With Built-in 8-times Oversampling Digital Filter/dynamic Digital Bass Boost/analog Filter
• Manufacturer: TOSHIBA Semiconductor CORPORATION

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Application Circuit
TC9236AF
Single-chip processor
for CD players
The following diagram is for reference purposes only and does not guarantee operations.
Test circuit : With the use of a sample application circuit
AC characteristics stipulated point (input signal stipulation: LRCK, BCK, DATA)
BCK
DATA
LRCK
S G
XI
EMPH
CHCK
50%
Aout
BCK
2.7 V
16.9344 M
SG: Anritsu: MG-22A or equivalent
LPF: Shibasoku: Built-in 725C distortion factor gauge filter
Distortion: Shibasoku: 725C or equivalent
50%
MCK
50%
THD + N, CT
Parameter
Measured
2.7 V
S/N, DR
30 pF
30 pF
t
t
d
d
DATA
BCK
LRCK
Application circuit example
10%
Distortion Factor Gauge
90%
MCK
GNDX
XI
XO
V
LATCH
(SM)
SHIFT
(EMP)
ATT
(DBB1)
(DBB2)
DATA
BCX
LRCK
Filter Setting
DX
A Weight
t
f
OFF
ON
17
ROUT
LOUT
GNDD
GNDA
GNDA
P/
V
V
V
A weight: IEC-A or equivalent
RO
ZD
DD
DA
DA
T1
LO
VR
S
Ideal LPF
20 kHz
22 µF
10%
220
2.7 V
220
90%
2.7 V
Distortion
t
f
gauge
factor
2.7 V
ZD
L-ch Analog OUT
R-ch Analog OUT
TC9470FN
2002-02-27