參數(shù)資料
型號: TDA7850H
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 80 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25
封裝: ROHS COMPLIANT, FLEXIWATT-25
文件頁數(shù): 18/18頁
文件大?。?/td> 386K
代理商: TDA7850H
TDA7850
Electrical specifications
VAM in
VS automute threshold
(Amp: Mute)
Att 80 dB; POref = 4 W
(Amp: Play)
Att < 0.1 dB; PO = 0. 5W
6.5
7
7.5
8
V
Ipin23
Muting pin current
VMUTE = 1.5 V
(Sourced Current)
712
18
μA
VMUTE = 3.5 V
-5
18
μA
HSD section
Vdropout Dropout voltage
IO = 0.35 A; VS = 9 to 16 V
0.25
0.6
V
Iprot
Current limits
400
800
mA
Offset detector (Pin 25)
VM_ON
Mute voltage for DC offset
detection enabled
VST-BY = 5 V
8V
VM_OFF
6V
VOFF
Detected differential output offset VST-BY = 5 V; Vmute = 8 V
±2
±3
±4
V
V25_T
Pin 25 voltage for detection =
TRUE
VST-BY = 5 V; Vmute = 8 V
VOFF > ±4 V
01.5
V
V25_F
Pin 25 Voltage for detection =
FALSE
VST-BY = 5 V; Vmute = 8 V
VOFF > ±2 V
12
V
1.
Saturated square wave output.
Table 4.
Electrical characteristics (continued)
(Refer to the test and application diagram, VS = 14.4 V; RL = 4 Ω; Rg = 600 Ω; f = 1 kHz;
Tamb = 25 °C; unless otherwise specified).
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
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