TC9496AF Datasheet, PDF (41/48 Pages) Toshiba Semiconductor – 1 Chip Audio Digital Signal Processor

TC9496AF
AC Characteristic
AD Converter (1): LIN, RIN pins
Characteristics
Maximum input signal level
Input impedance
S/(N + D) ratio
THD + N
Cross-talk
Dynamic range
Symbol
Test
Circuit
Test Condition
Min Typ. Max Unit
Input level that ADC output at
V_i
¾ full-scale digital output
1.18 1.27 ¾ Vrms
(Note 8)
Z_in
S/N_a1
¾ LIN, RIN pins
(Note 8) ¾
27
¾
kW
A-Weight,
¾ X’tal: 36.864 MHz
88
96
¾
dB
(Note 8)
S/N_a2
CCIR-ARM,
¾ X’tal: 36.864 MHz
85
93
¾
dB
(Note 8)
THD_a
20 kHz LPF,
¾ X’tal: 36.864 MHz
¾ -80 -72 dB
(Note 8)
20 kHz LPF,
CT_a
¾ X’tal: 36.864 MHz
¾ -90 -83 dB
(Note 8)
A-Weight,
DR_a
¾ X’tal: 36.864 MHz
85
92
¾
dB
(Note 8)
Note 8: Input channels: LIN, RIN
AD Converter (2): MIN pin
Characteristics
Maximum input signal level
Input impedance
S/(N + D) ratio
THD + N
Cross-talk
Dynamic range
Symbol
V_iM
Z_inM
S/N_aM
THD_aM
CT_aM1
CT_aM2
DR_aM
Test
Circuit
Test Condition
Min
Input level that ADC output at
¾ full-scale digital output
¾
(Note 9)
¾ MIN pin
(Note 9) ¾
A-Weight,
¾ X’tal: 36.864 MHz
70
(Note 9)
20 kHz LPF,
¾ X’tal: 36.864 MHz
¾
(Note 9)
X’tal: 36.864 MHz
¾ LIN, RIN ® MIN
¾
(Note 10)
X’tal: 36.864 MHz
¾ MIN ® LIN, RIN
¾
(Note 10)
A-Weight,
¾ X’tal: 36.864 MHz
70
(Note 9)
Typ. Max Unit
1.1 1.15 Vrms
1
¾
kW
80
¾
dB
-62 -53 dB
-76 -60 dB
-90 -83 dB
80
¾
dB
Note 9: Input channels: MIN
Note 10: Input channels: LIN, RIN, MIN
41
2002-01-11