TDA7348 Просмотр технического описания (PDF) - STMicroelectronics
Номер в каталоге
Компоненты Описание
Список матч
TDA7348 Datasheet PDF : 20 Pages
| |||
TDA7348
Electrical characteristics
Table 1.
Symbol
Electrical characteristics (continued)
VS = 9V; RL = 10KΩ; Rg = 50Ω; Tamb = 25°C; all controls flat (G = 0.3dB step
0dB); f = 1KHz. Refer to the test circuit, unless otherwise specified.
Parameter
Test Condition
Min. Typ. Max. Unit
Soft mute
AMUTE Mute attenuation
TDON ON delay time
TDOFF OFF delay time
VTHSM
RINT
VSMH
VSML
Soft mute threshold
Pull-up resistor (pin 22)
(pin 22) level high
(pin 22) level low
Bass control
45 60
dB
CCSM = 22nF; 0 to -20dB; I =
IMAX
0.7
1
1.7 ms
CCSM = 22nF; 0 to -20dB; I =
IMIN
20
35
55
ms
VCSM = 0V; I = IMAX
25 50 75 μA
VCSM = 0V; I = IMIN
1
μA
1.5 2.5 3.5 V
35 50 65 KΩ
Soft Mute active
3.5
V
1
V
BBOOST
BCUT
Astep
Rg
Max bass boost
Max bass cut
Step resolution
Internal feedback resistance
Treble control
15 18 20 dB
-8.5 -10 -11.5 dB
1
2
3 dB
45 65 85 KΩ
CRANGE Control range
Astep Step resolution
Speaker attenuators
±13 ±14 ±15 dB
1
2
3 dB
CRANGE Control range
Astep Step resolution
AMUTE
EA
VDC
Output mute attenuation
Attenuation set error
DC steps
Audio output
Data word = XXX11111
Adjacent attenuation steps
35 37.5 40 dB
0.5 1.25 2.0 dB
80 100
dB
1.25 dB
0
3 mV
Vclip Clipping level
RL Output load resistance
RO Output impedance
VDC DC voltage level
General
d = 0.3%
2.1 2.6
Vrms
2
KΩ
30 100 W
3.5 3.8 4.1 V
VCC Supply voltage
6
9 10.2 V
7/20
Share Link: 