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參數(shù)資料
| 型號(hào)： | TEA6360T |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 5-band stereo equalizer circuit |
| 中文描述： | 5頻段立體聲均衡器電路 |
| 文件頁數(shù)： | 5/15頁 |
| 文件大?。?/td> | 139K |
| 代理商： | TEA6360T |
May 1991
5
Philips Semiconductors
Preliminary specification
5-band stereo equalizer circuit
TEA6360
FUNCTIONAL DESCRIPTION
The TEA6360 is performed with two stereo channels
(RIGHT and LEFT), each one consists of five equal filter
amplifiers (Fig.1).
The centre frequencies for the different filters as well as
the bandwidth and the control ranges for boost and cut
depend on the external components. Each filter can have
different external components but for one definite pair of
filters the centre frequency as well as the control range for
boost and cut are the same. That means, they have
symmetrical curves for boost and cut.
The control range (maximum value in dB) is divided into
five steps and one extra step for the linear position.
At maximum gain of 12 dB the typical step resolution is
2.4 dB. The internal resistor chain of each filter amplifier is
optimized for 12 dB maximum gain. Therefore the typical
gain factors for 15 dB application are as follows:
The control of the different filters is obtained by selecting
the appropriate subaddress byte (Table 1).
step 1
step 2
step 3
step 4
step 5
=
=
=
=
=
2.7
5.5
8.4
11.6
15.0
dB
dB
dB
dB
dB
The position of the filter in the left channel and that in the
right channel is always the same (stereo).
The position of the boost part and the cut part is
independently controllable (Tables 2 and 3).
The quality factor of the filter has its maximum in the
maximum position (steps 5), if boost (cut on step 0) or cut
(boost on step 0) is used. The quality factor decreases also
with the step number (variable quality factor).
In this mode the control pattern are according to Table 4.
A different control is necessary to achieve a constant
quality factor over the whole control range. For boost with
a constant quality factor over the boost range position
+
5
is selected and boost control is then performed using cut.
This control technique is applied to the cut range with
position
5 selected and the boost is varied (Table 5).
The cut part has to follow the boost part in each filter for
economic reasons. So the signal is first amplified and then
attenuated. This has to be taken into account for the
internal level diagram in case of constant quality factor.
This may result in a mode between constant Q and
non-constant Q mode; for example for the position
+
2 it is
not necessary to amplify by step
+
5 and then attenuate by
3 step. The combination of step
+
4 and step
2 to reach
position
+
2 is a good result (quasi constant quality factor,
Table 6).
LIMITING VALUES
In accordance with the Absolute Maximum System (IEC 134).
Ground pins 19, 28 and 43 connected together.
Note
1.
Equivalent to discharging a 200 pF capacitor through a 0
series resistor.
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
V
P
V
n
P
tot
T
stg
supply voltage (pin 14)
voltage on all pins, grounds excluded
total power dissipation
storage temperature range
storage temperature range
operating ambient temperature range
electrostatic handling
(1)
for all pins
0
0
0
40
40
40
13.2
V
P
500
150
150
85
±
500
V
V
mW
°
C
°
C
°
C
V
T
amb
V
ESD
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| TEA6360T/V2,512 | 功能描述:音頻放大器 FIVE-BAND EQUALIZER 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 |
| TEA6360T/V2,518 | 功能描述:音頻放大器 FIVE-BAND EQUALIZER 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 |
| TEA6360TD | 功能描述:音頻放大器 FIVE-BAND EQUALIZER 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 |
| TEA6360TD-T | 功能描述:音頻放大器 FIVE-BAND EQUALIZER 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 |
| TEA6414A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:BUS-CONTROLLED VIDEO MATRIX SWITCH |
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