參數(shù)資料
型號(hào): TDA7385
廠(chǎng)商: STMICROELECTRONICS
元件分類(lèi): 音頻/視頻放大
英文描述: 35 W, 4 CHANNEL, AUDIO AMPLIFIER, PZIP25
封裝: FLEXIWATT-25
文件頁(yè)數(shù): 15/17頁(yè)
文件大小: 427K
代理商: TDA7385
TDA7385
Electrical specifications
Figure 3.
Standard test and application circuit
eNo
Output noise
"A" Weighted
Bw = 20 Hz to 20 kHz
50
65
150
μV
SVR
Supply voltage rejection
f = 100 Hz
50
65
dB
fcl
Low cut-off frequency
20
Hz
fch
High cut-off frequency
75
KHz
Ri
Input impedance
70
100
K
Ω
CT
Cross talk
f = 1 kHz
50
70
dB
ISB
Standby current
consumption
Vstandby =0 V
15
A
VSB out
Standby out threshold
voltage
(Amp: on)
3.5
V
VSB IN
Standby in threshold voltage (Amp: off)
1.5
V
AM
Mute attenuation
VO = 1Vrms
80
90
dB
VM out
Mute out threshold voltage
(Amp: play)
3.5
V
VM in
Mute in threshold voltage
(Amp: mute)
1.5
V
Im (L)
Muting pin current
VMUTE = 1.5V (source current)
5
10
16
μA
ICDOFF
Clipping detector "off" output
average current
THD = 1% (1)
100
μA
ICDON
Clipping detector "on" output
average current
THD = 10% (1)
100
240
350
μA
1.
Diagnostics output pulled-up to 5 V with 10 k
Ω series resistor.
Table 4.
Electrical characteristics (continued)
(VS = 14.4 V; f = 1 kHz; Rg = 600 Ω; RL = 4 Ω;Tamb = 25 °C; Refer to the test and application
diagram (Figure 3), unless otherwise specified.)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
IN1
0.1
μF
C9
1
μF
IN2
C2 0.1
μF
OUT1
OUT2
IN3
C3 0.1
μF
IN4
C4 0.1
μF
OUT3
OUT4
D94AU179B
C5
0.1
μF
C6
47
μF
SVR
TAB
Vcc1-2
Vcc3-4
C8
0.1
μF
C7
2200
μF
C10
1
μF
ST-BY
R1
10K
R2
47K
MUTE
C1
14
15
12
11
22
4
13
S-GND
16
10
25
1
DIAGNOSTICS
620
9
8
7
5
2
3
17
18
19
21
24
23
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