參數(shù)資料
型號: 935261316112
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-266, SSOP-20
文件頁數(shù): 9/31頁
文件大?。?/td> 292K
代理商: 935261316112
1998 Jun 02
17
Philips Semiconductors
Preliminary specication
2
× 1.4 W BTL audio ampliers with digital
volume control and headphone sensing
TDA8552T; TDA8552TS
Fig.6 IDD as a function of VDD.
RL = ∞.
handbook, halfpage
234
6
20
15
5
0
10
MGR005
5
VDD (V)
IDD
(mA)
Fig.7 Gain as a function of volume steps.
VDD = 5 V; RL =8 .
(1) Gv = 30 dB (max.).
(2) Gv = 20 dB (max.).
handbook, halfpage
020
40
80
40
60
20
MGR006
60
0
20
40
volume steps
G
(dB)
(2)
(1)
Fig.8 THD as a function of Po.
VDD = 5 V; RL =8 ; f = 1 kHz; Gv = 20 dB (max.).
(1) Gv = 0 dB.
(2) Gv = 7 dB.
(3) Gv =20dB.
handbook, halfpage
10
101
1
102
MGR007
102
101
110
THD
(%)
Po (W)
(2)
(3)
(1)
Fig.9 THD as a function of Po.
VDD = 5 V; RL =8 ; f = 1 kHz; Gv = 30 dB (max.).
(1) Gv = 0 dB.
(2) Gv = 7 dB.
(3) Gv =20dB.
(4) Gv =30dB.
handbook, halfpage
10
101
1
102
MGR008
102
101
110
THD
(%)
Po (W)
(2)
(3)
(4)
(1)
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