TC9470FN Datasheet, PDF (16/19 Pages) Toshiba Semiconductor – Modulation DA Converter with Built-in 8-Times Oversampling Digital Filter/Dynamic Digital Bass Boost/Analog Filter

Maximum Ratings (Ta = 25°C)
TC9470FN
Characteristics
Power supply voltage
Input voltage
Power dissipation
Operating temperature
Storage temperature
Symbol
Rating
Unit
V_DD
−0.3 to 6.0
V_DA
−0.3 to 6.0
V
V_DX
−0.3 to 6.0
V_in
−0.3 to V_DD + 0.3
V
P_D
200
mW
T_opr
−15 to 50
°C
T_stg
−55 to 150
°C
Electrical Characteristics
(unless otherwise specified, Ta = 25°C, V_DD = V_DX = V_DA = 2.7 V)
DC Characteristics
Characteristics
Operating power supply voltage
Current consumption
Symbol
V_DD
V_DX
V_DA
I_DD
Test
Circuit
Test Condition
― Ta = −15 to 50°C
―
XI = 16.9344 MHz
V_DD = V_DX = 2.4 V
Input voltage
“H” level
“L” level
V_IH
―
V_IL
Input current
“H” level
“L” level
I_IH
―
I_IL
Min Typ. Max Unit
2.4
2.7
3.5
2.4
2.7
3.5
V
2.4
2.7
3.5
―
4.0
5.5 mA
V_DD ×
0.7
―
V_DD
V
0
―
V_DD ×
0.3
−10
―
10
µA
AC Characteristics (oversampling ratio = 192 fs)
Characteristics
Noise distortion
S/N ratio
Dynamic range
Crosstalk
Analog output level
Operating frequency
Input frequency
Rise time
Fall time
Delay time
Symbol
THD + N
S/N
DR
CT
Aout
f_opr
f_LR
f_BCK
t_r
t_f
t_d
Test
Circuit
Test Condition
1
1 kHz sine wave, full-scale input
V_DD = V_DX = V_DA = 2.7 V
1 V_DD = V_DX = V_DA = 2.7 V
1
1 kHz sine wave, −60dB input
conversion
1 1 kHz sine wave, full-scale input
1
1 kHz sine wave, full-scale input
V_DD = V_DX = V_DA = 2.7 V
― V_DD = V_DX = V_DA ≥ 2.4 V
LRCK duty cycle = 50%
―
BCK duty cycle = 50%
―
LRCK, BCK pins (10% to 90%)
―
― BCK
edge → LRCK, DATA
Min Typ. Max Unit
―
−82 −77
dB
85
90
―
dB
85
90
―
dB
―
−90 −80
dB
―
685
― mV_rms
11 16.9344 ―
― 44.1 ―
1.4 2.1168 2.9
―
―
15
―
―
15
―
―
50
MHz
kHz
MHz
ns
ns
ns
16
2002-02-27