參數(shù)資料
型號(hào): TDA8552T
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 音頻控制
英文描述: 2 x 1.4 W BTL audio amplifiers with digital volume control and headphone sensing
中文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO20
封裝: PLASTIC, SO-20
文件頁(yè)數(shù): 17/28頁(yè)
文件大?。?/td> 254K
代理商: TDA8552T
1998 Jun 02
17
Philips Semiconductors
Preliminary specification
2
×
1.4 W BTL audio amplifiers with digital
volume control and headphone sensing
TDA8552T; TDA8552TS
Fig.6 I
DD
as a function of V
DD
.
R
L
=
.
handbook, halfpage
IDD
(mA)
2
3
4
6
15
5
0
10
MGR005
5
VDD (V)
Fig.7 Gain as a function of volume steps.
V
DD
= 5 V; R
L
= 8
.
(1) G
v
= 30 dB (max.).
(2) G
v
= 20 dB (max.).
handbook, halfpage
(dB)
0
20
40
80
60
20
MGR006
60
0
20
40
volume steps
(2)
(1)
Fig.8 THD as a function of P
o
.
V
DD
= 5 V; R
L
= 8
; f = 1 kHz; G
v
= 20 dB (max.).
(1) G
v
= 0 dB.
(2) G
v
= 7 dB.
(3) G
v
= 20 dB.
handbook, halfpage
10
1
1
10
2
MGR007
10
2
10
1
1
10
THD
(%)
Po (W)
(2)
(3)
(1)
Fig.9 THD as a function of P
o
.
V
DD
= 5 V; R
L
= 8
; f = 1 kHz; G
v
= 30 dB (max.).
(1) G
v
= 0 dB.
(2) G
v
= 7 dB.
(3) G
v
= 20 dB.
(4) G
v
= 30 dB.
handbook, halfpage
10
1
1
10
2
MGR008
10
2
10
1
1
10
THD
(%)
Po (W)
(2)
(3)
(4)
(1)
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