參數(shù)資料
型號(hào): LA4742
元件分類: 音頻/視頻放大
英文描述: 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
封裝: HZIP-25
文件頁(yè)數(shù): 2/9頁(yè)
文件大小: 106K
代理商: LA4742
No. 7043-2/9
LA4742
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Quiescent current
ICCO
RL = ∞, Rg = 0
100
200
350
mA
Standby current
Ist
Vst = 0 V
10
A
Output offset voltage
VNoffset
Rg = 0
–100
+100
mV
Voltage gain
VG
VO = 0 dBm
25
26
27
dB
Voltage gain difference
VG
–1
+1
dB
PO1
THD = 10 %
23
28
W
Output power
PO max1 VCC = 13.7 V, VIN = 5 Vrms
40
W
PO max2 VIN = 5 Vrms
45
W
Total harmonic distortion
THD
PO = 4 W
0.05
0.4
%
Channel separation
CHsep
VO = 0 dBm, Rg = 10 k
55
65
dB
Ripple rejection ratio
SVRR
fr = 100 Hz, VR = 0 dBm, Rg = 0
50
60
dB
Output noise voltage
VNO
Rg = 0, B.P.F. = 20 Hz to 20 kHz
100
200
Vrms
Muting attenuation
Mute(att)
VO = 20 dBm
70
80
dB
Operating Characteristics at Ta = 25°C, VCC = 14.4 V, f = 1 kHz, RL = 4 , Rg = 600
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
14.4
V
Recommended load resistance
RL
4
Operating supply voltage range
VCC op
9 to 18
V
Operating Conditions at Ta = 25°C
相關(guān)PDF資料
PDF描述
LA4743A 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
LA4743B 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
LA47501 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
LA47503 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
LA47510 48 W, 2 CHANNEL, AUDIO AMPLIFIER, ZFM25
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