TC9470FN Datasheet, PDF (2/19 Pages) Toshiba Semiconductor – Modulation DA Converter with Built-in 8-Times Oversampling Digital Filter/Dynamic Digital Bass Boost/Analog Filter

Pin Connection
TC9470FN
V_DD 1
T1 2
P/S 3
V_DA 4
RO 5
GNDA 6
VR 7
GNDA 8
LO 9
V_DA 10
ZD 11
GNDD 12
Block Diagram
24 LRCK
23 BCK
22 DATA
21 DBB2
20 ATT (DBB1)
19 SHIFT (EMP)
18 LATCH (SM)
17 V_DX
16 XO
15 XI
14 GNDX
13 MCK
(DBB1)(EMP) (SM)
LRCK BCK DATA DBB2 ^{ATT SHIFT LATCH} V_DX XO
24 23 22 21 20 19 18 17 16
XI GNDX MCK
15 14 13
Data interface
circuit
Microcontroller
interface circuit
Oscillator circuit
Dynamic bus
boost circuit
+
Timing generator
Digital filter circuit,
de-emphasis filter circuit,
attenuator circuit
Σ-∆ modulator circuit
Test
circuit
Output
circuit
Analog
filter
Output
circuit
Analog
filter
12
V_DD T1
3 4 5 6 7 8 9 10 11 12
P/S V_DA RO GNDA VR GNDA LO V_DA ZD GNDD
2
2002-02-27