TC94A48FG Datasheet, PDF (27/36 Pages) Toshiba Semiconductor – Single-chip Audio Digital Signal Processor

TC94A48FG
AC Characteristics
<Common test conditions unless otherwise specified>
• The gain through the firmware is 0 dB (pass-through), except for +2 dB for DC-cut-HPF.
• VDD (for all power supplies) = 3.3V, Ta = 25°C
• Test circuit
MCU
Digital SG/Analyzer I/F
Lch
Rch
1kΩ
AGND
2200pF 4.7μF
1kΩ
47μF
47μF
2200pF 4.7μF
0.01uF
10kΩ
10kΩ
10kΩ
10kΩ
220Ω
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 6353
349
BTMD
50 MIMD
51 /RST
52 VDD
53 GND
54 TEST1
55 TEST0
56 GNDL
57 LIN
58 ADVL
59 VDDA
60 ADVR
61 RIN
62 GNDR
63 GNDX
64 XI
TC94A48FG
392
LRCKO
SDO0 31
SDO1 30
SDO2 29
SDO3 28
BCKI0 27
BCKI1 26
LRCKI0 25
LRCKI1 24
SDI0 23
SDI1 22
SDI2 21
SDI3 20
GND 19
VDD 18
VDD6 ₁₇
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Analog Analog Digital Digital
VDD GND VDD GND
1MΩ
22pF
22pF
47uF
270Ω
2200pF
10μF
10kΩ
270Ω 270Ω
2200pF 2200pF
10μF 10μF
10kΩ
10kΩ
270Ω 270Ω
2200pF 2200pF
10μF 10μF
10kΩ
10kΩ
270Ω
2200pF
10μF
10kΩ
DAC1 DAC2
DAC3 DAC4
DAC5 DAC6
27
2005-09-28