TC9444F Datasheet, PDF (25/28 Pages) Toshiba Semiconductor – Single-Chip karaoke IC II

AC Characteristics
AD Converter
Characteristics
Maximum input level
S/(N + D) ratio
THD + N
Crosstalk
TC9444F
Symbol
Test
Circuit
Test Condition
Min Typ. Max Unit
Ain
1 V_DD = 5.0 V
¾
1.15 1.20 V_rms
S/N (AD)
1 -50dB, 1 kHz sine wave input
72
80
¾
dB
THD (AD)
1 -0dB, 1 kHz sine wave input
¾ -65 -57 dB
CT (AD)
1
¾
¾ -68 -60 dB
DA Converter
Characteristics
Output level
S/N ratio
THD + N
Crosstalk
Symbol
Test
Circuit
Test Condition
Min Typ. Max Unit
Aout
S/N (DA)
1
¾
¾
1.2
¾
V_rms
1 -30dB, 1 kHz sine wave input 84
93
¾
dB
THD (DA)
1 -0dB, 1 kHz sine wave input
¾ -86 -78 dB
THD (DA)
1 -0dB, 10 kHz sine wave input
¾
-83 -75
dB
CT (DA)
1
¾
¾ -90 -82
Timings
Characteristics
Rise time
Fall time
Common
Delay time
In master mode
In slave mode
SDI setup time
SDI hold time
LRCKI setup time
LRCKI hold time
Interface setup time
Interface shift clock pulse width
Interface data setup time
Interface data hold time
Interface hold time
Interface CS signal “H” duration
Coefficient and offset RAM write cycle
Power-on reset time
Reset pulse width
Boot time
Symbol
t_r
t_f
t_d1
t_d2
t_d3
t_d4
t_d5
t_d6
t_DIs
t_DIh
t_LRs
t_LRh
T₁
T₂, T₃
T₄
T₅
T₆
T₇
T₈
t_RST
t_Rw
t_BOOT
Test
Circuit
Test Condition
CL = 50 pF, LRCKO, BCKO,
¾ ^SDO
MCKO
CL = 50 pF, LRCKO, BCKO,
¾ ^SDO
MCKO
XI ® MCKO
BCKO ® SDO
XI ® BCKO
¾
XI ® LRCKO
BCKI ® BCKO
LRCKI ® LRCKO
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾ Time required for boot
Min Typ. Max Unit
¾
¾
30
ns
¾
¾
20
¾
¾
30
ns
¾
¾
20
¾
¾
20
¾
¾
5
¾
¾
15
ns
¾
¾
30
¾
¾
30
¾
¾
30
50
¾
¾
ns
50
¾
¾
ns
50
¾
¾
ns
50
¾
¾
ns
0.2
¾
¾
ms
0.2
¾
¾
ms
0.2
¾
¾
ms
0.2
¾
¾
ms
0.2
¾
¾
ms
0.2
¾
¾
ms
1/fs
¾
¾
s
1
¾
¾
ms
0.2
¾
¾
ms
¾
¾
50
ms
25
2002-01-11