參數(shù)資料
型號(hào)： TDA8946
廠商： NXP Semiconductors N.V.
元件分類： 運(yùn)動(dòng)控制電子
英文描述： 2 x 15 W stereo Bridge Tied Load BTL audio amplifier
中文描述： 2 x 15瓦的立體聲橋接負(fù)載橋接音頻放大器
文件頁(yè)數(shù)： 19/23頁(yè)
文件大?。?/td> 393K
代理商： TDA8946
Philips Semiconductors
TDA8946J
2 x 15 W stereo BTL audio amplifier
Product specification
Rev. 02 — 14 March 2000
19 of 23
9397 750 06863
Philips Electronics N.V. 2000. All rights reserved.
18. Revision history
Table 11: Revision history
Rev Date
02
20000314
CPCN
-
Description
Product specification; second version; supersedes initial version TDA8946J-01 of
14 April 1999 (9397 750 04882). Modifications:
Table 1 on page 1
: SVRR; Typ value 65 dB
→
added
Ordering options removed
Figure 1 on page 2
: Block diagram; pin numbers changed OUT2
→
14 and OUT2+
→
17
Figure 2 on page 3
: Pin configuration; pin numbers changed OUT2
→
14 and OUT2+
→
17
Table 3 on page 3
: Pin description; pin numbers changed OUT2
→
14 and OUT2+
→
17
Section 8 “Functional description”
:
–
Section 8.1 “Input configuration” on page 4
→
added.
–
Section 8.2 “Power amplifier” on page 5
: ........, capable of delivering a peak output
current of 1.5 A
→
changed to 2 A.
–
Section 8.2.1 “Output power measurement” on page 5
→
added
–
Section 8.2.2 “Headroom” on page 5
→
added
Section 8.3 “Mode selection”
:
–
Standby mode: V
MODE
> (V
CC
0.5 V)
→
changed to (V
CC
0.5 V) < V
MODE
< V
CC
;
The power consumption of the TDA8946J will be reduced to <0.18 mW
→
added.
–
Mute mode: the DC level of the input and output pins remain on half the supply
voltage
→
added;
–
2.5 V < V
MODE
< (V
CC
1.5 V)
→
changed to 3 V < V
MODE
< (V
CC
1.5 V)
–
Section 8.3.1 “Switch-on and switch-off” on page 6
→
added
Section 8.4 “Supply Voltage Ripple Rejection (SVRR)” on page 6
→
added
Section 8.5 “Built-in protection circuits” on page 6
→
added
Table 5 on page 7
:
–
P
tot
value added 28 W
–
V
CC(sc)
value added 15 V
Table 6 on page 7
:
–
R
th(j-a)
value added 40 K/W
–
R
th(j-c)
value 10 k/W
→
changed to R
th(j-mb)
value 4.5 K/W;
condition ‘in free air’
→
changed to ‘both channels driven’
Table 7 on page 7
: V
CC
: Max value 18 V changed to
→
25 V; V
MODE
- mute mode - value
Min 2.5
→
changed to 3 V
Table 8 on page 8
:
–
SVRR; Typ values 65 and 60 dB
→
added
–
α
cs
; Typ value 75 dB
→
added
–
R
source
changed to
→
R
S
in table and associated table notes; Value added R
S
= 0
;
–
Table note [2]
: .... 100 mV (RMS).... changed to
→
... 700 mV (RMS)....
Figure 3
to
13
: figures added
Section 13 “Internal circuitry” on page 13
:
→
added
Figure 14
: figure modified
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA8946AJ 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2 x 15 W BTL audio amplifier with DC gain control
TDA8946AJ/N2,112 功能描述:音頻放大器 2X15W AUDIO AMP VOL CTRL RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA8946J 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2 x 15 W stereo Bridge Tied Load BTL audio amplifier
TDA8946J/N1,112 功能描述:音頻放大器 AUDIO AMP 2X15W RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA8947J 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4-channel audio amplifier (SE: 1 W to 25 W; BTL: 4 W to 50 W)
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