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参数资料
| 型号： | TDA7376PD |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 37 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| 封装： | ROHS COMPLIANT, POWER, SOP-36 |
| 文件页数： | 12/14页 |
| 文件大小： | 287K |
| 代理商： | TDA7376PD |
TDA7376PD
Electrical specifications
Doc ID 10260 Rev 3
7/14
The TDA7376PD is equipped with a programmable clipping distortion detector circuitry that
allows to signal out the output stage saturation by providing a current sinking into an open
collector output (DDOUT) when the total harmonic distortion of the output signal reaches the
preset level. The desired threshold is fixed through an external divider that produces a
proper voltage level across the THD set pin. Figure 3 shows the THD detection threshold
versus the THD set voltage. Since it is essential that the THD set voltage be proportional to
computed by multiplying the fraction corresponding to the desired THD threshold by the
application’s supply voltage.
RIN
Input impedance
differential input
Single Ended input
45
40
--
k
Ω
GV
Voltage gain
differential input
25
26
27
dB
Single Ended input
25
26
27
dB
ΔG
V
Channel gain balance
-
1
dB
EIN
Input noise voltage
Rg = 600 Ω; "A" weighted
Rg = 600 Ω; 22 Hz to 33 kHz
-
3
46
μV
SVR
Supply voltage rejection
f = 100 Hz; Vr = 1 Vrms; Rg = 0;
f = 10 Hz; Vr = 1 Vrms; Rg = 0;
45
55
-dB
BW
Power bandwidth
(-3dB)
75
-
kHz
CMRR
Common mode rejection ratio
VCM = 1 Vrms input referred
60
-
dB
ASB
Standby attenuation
VSB = 1.5V; PO ref = 1 W
80
90
dB
VSB IN
Standby input threshold
-
1.5
V
VSB OUT
Standby output threshold
-
3.5
-
V
Isb
Standby current consumption
VSB = 0V
-
20
μA
AM
Mute attenuation
VM = 1.5 V; POref = 1 W
-
85
-
dB
VM IN
Mute in threshold
-
1.5
V
VM OUT
Mute out threshold
-
3.5
-
V
I6
Mute pin current
V6 = 0 to VS,; VS max. = 18 V
-
100
μA
DDL
Distortion detection level (2)
-3.5
-
%
DDOUT
Distortion detector output DC
current
Output low, sinked current
(
Vpin10 = 1.5 V)
1-
-
mA
Output high, leakage current
(Vpin10 = VS, @ VSmax = 18 V)
--
10
μA
1.
Saturated square wave output
2.
See Figure 3 for THD setting.
Table 4.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
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