參數(shù)資料
型號: TDA7719
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝: ROHS COMPLIANT, MO-153AC, TSSOP-28
文件頁數(shù): 2/46頁
文件大?。?/td> 590K
代理商: TDA7719
Electrical specifications
TDA7719
Doc ID 13698 Rev 4
Loudness control
AMAX
Max attenuation
15
dB
ASTEP
Step resolution
1
dB
fPeak
Peak frequency
fP1
400
Hz
fP2
800
Hz
fP3
2400
Hz
Volume control
GMAX
Max gain
15
dB
AMAX
Max attenuation
-15
dB
ASTEP
Step resolution
0.5
1
1.5
dB
EA
Attenuation set error
-0.75
0
+0.75
dB
ET
Tracking error
2
dB
VDC
DC steps
Adjacent attenuation steps
0.1
3
mV
From 0 dB to GMIN
0.5
5
mV
Soft mute
AMUTE
Mute attenuation
80
100
dB
TD
Delay time
T1
0.48
ms
T2
0.96
ms
T3
8
ms
T4
16
ms
VTH Low
Low threshold for SM pin
1
V
VTH High
High threshold for SM pin
2.5
V
RPU
Internal pull-up resistor
32
45
58
k
Ω
VPU
Internal pull-up Voltage
3.3
V
Bass control
Fc
Center frequency
fC1
54
60
66
Hz
fC2
72
80
88
Hz
fC3
90
100
110
Hz
fC4
180
200
220
Hz
QBASS
Quality factor
Q1
0.9
1
1.1
Q2
1.1
1.25
1.4
Q3
1.3
1.5
1.7
Q4
1.8
2
2.2
CRANGE
Control range
±14
±15
±16
dB
ASTEP
Step resolution
0.5
1
1.5
dB
DCGAIN
Bass-DC-gain
DC = off
-1
0
+1
dB
DC = on, Gain =
±15 dB
±4.4
dB
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
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