參數(shù)資料
型號: 935261315112
廠商: NXP SEMICONDUCTORS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO20
封裝: PLASTIC, SOT-163, SO-20
文件頁數(shù): 11/31頁
文件大?。?/td> 292K
代理商: 935261315112
1998 Jun 02
19
Philips Semiconductors
Preliminary specication
2
× 1.4 W BTL audio ampliers with digital
volume control and headphone sensing
TDA8552T; TDA8552TS
Fig.14 SVRR as a function of frequency.
VDD = 5 V; RL =8 ; Vref = 100 mV.
(1) C3 = 10
F; Gv =20dB.
(2) C3 = 10
F; Gv = 7 dB.
(3) C3 = 100
F; Gv = 20 dB.
(4) C3 = 10
F; Gv =10dB.
(5) C3 = 100
F; Gv = 7 dB.
(6) C3 = 100
F; Gv = 10 dB.
handbook, halfpage
80
60
40
20
0
MGR013
10
102
103
104
105
(2)
(3)
(4)
(5)
(6)
(1)
SVRR
(dB)
f (Hz)
Fig.15 Input voltage as a function of gain.
VDD = 5 V; RL =8 ; f = 1 kHz; THD = 1%.
(1) Gv = 20 dB (max.).
(2) Gv = 30 dB (max.).
handbook, halfpage
50
30
10
30
2.4
0
1.6
2
MGR014
10
0
G (dB)
Vi
(V)
1.2
0.8
0.4
(2)
(1)
Fig.16 Channel suppression as a function of
frequency.
VP = 5 V; Vo = 1 V; VHPS =VP.
(1) Channel 1.
(2) Channel 2.
handbook, halfpage
100
0
80
60
40
20
MGL436
10
f (Hz)
αsup
(dB)
102
103
104
105
(1)
(2)
Fig.17 Channel separation as a function of
frequency.
VP = 5 V; Vo =1V.
(1) Gv =30dB.
(2) Gv =20dB.
handbook, halfpage
100
0
80
60
40
20
MGL435
10
f (Hz)
αcs
(dB)
102
103
104
105
(1)
(2)
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