TDA7438D Просмотр технического описания (PDF) - STMicroelectronics
Номер в каталоге
Компоненты Описание
Список матч
TDA7438D Datasheet PDF : 19 Pages
| |||
TDA7438
Table 5. Electrical Characteristcs: (refer to the test circuit Tamb = 25°C, VS = 9V, RL= 10KΩ,
RG = 600Ω, all controls flat (G = 0dB), unless otherwise specified)
Symbol
SUPPLY
Parameter
Test Condition
Min. Typ. Max. Unit
VS Supply Voltage
IS
Supply Current
6
9
10.2
V
7
mA
SVR Ripple Rejection
60
90
dB
INPUT STAGE
RIN Input Resistance
VCL Clipping Level
THD = 0.3%
100
2
2.5
KΩ
Vrms
SIN Input Separation
Ginmin Minimum Input Gain
The selected input is grounded
80
100
dB
through a 2.2µ capacitor
-1
0
1
dB
Ginman Maximum Input Gain
Gstep Step Resolution
VOLUME CONTROL
Ri
Input Resistance
30
dB
2
dB
20
33
50
KΩ
CRANGE Control Range
AVMAX Max. Attenuation
ASTEP Step Resolution
EA Attenuation Set Error
ET Tracking Error
VDC DC Step
Amute Mute Attenuation
45
47
49
dB
45
47
49
dB
0.5
1
1.5
dB
AV = 0 to -24dB
AV = -24 to -47dB
AV = 0 to -24dB
-1.0
0
1.0
dB
-1.5
0
1.5
dB
0
1
dB
AV = -24 to -47dB
0
2
dB
adjacent attenuation steps from
0dB to AV max
0
3
mV
0.5
mV
80
100
dB
BASS CONTROL (The center frequency and the response quality can be chosen by the ext. circuitry)
Gb Control Range
Max. Boost/cut
+12.0 +14.0 +16.0 dB
BSTEP Step Resolution
1
2
3
dB
RB Internal Feedback Resistance
33
44
55
KΩ
TREBLE CONTROL (The center frequency and the response quality can be chosen by the ext. circuitry)
Gt Control Range
Max. Boost/cut
+13.0 +14.0 +15.0 dB
TSTEP Step Resolution
1
2
3
dB
MIDDLE CONTROL (The center frequency and the response quality can be chosen by the ext. circuitry)
Gm
MSTEP
RM
Control Range
Step Resolution
Internal Feedback Resistance
Max. Boost/cut
+12.0 +14.0 +16.0 dB
1
2
3
dB
18.75 25 31.25 KΩ
3/19
Share Link: 