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參數(shù)資料
| 型號： | TEA6880H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | Up-level Car radio Analog Signal Processor CASP |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 14 X 20 MM, 2.80 MM HEIGHT, PLASTIC, SOT-319-2, QFP-64 |
| 文件頁數(shù)： | 12/88頁 |
| 文件大小： | 328K |
| 代理商： | TEA6880H |
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2000 May 08
12
Philips Semiconductors
Product specification
Up-level Car radio Analog Signal
Processor (CASP)
TEA6880H
7.5.1
S
OURCE SELECTOR
The source selector allows the selection between
6 sources:
2 external stereo inputs (ALI, ARI, BLI and BRI)
1 external symmetrical stereo input (CLIP, CRIP and
CCOM)
1 external symmetrical mono input (MONOP and
MONON)
1 internal stereo input (AM/FM)
1 chime/diagnostic mono input (CHIME).
Via the chime/diagnostic mono input a chime input signal
can be sent to any audio output, at any volume level.
7.5.2
L
OUDNESS
The output of the source selector is fed into the loudness
circuit via the external capacitors C
KVL
(pins LOPO and
LOPI) and C
KVR
(pins ROPO and ROPI). Depending on
the external circuits for the left and the right channel only a
bass boost or bass and treble boost is available. With the
external circuits shown in Figs 13 and 15 the curves from
Figs 14 and 16 will be obtained (without influence of C
KVL
respectively C
KVR
).
7.5.3
V
OLUME
1
The volume 1 control follows behind the loudness circuit.
The control range of volume 1 is between +20 and
36 dB
in steps of 1 dB.
7.5.4
T
REBLE
The output signal of the volume 1 control is fed into the
treble control stage. The control range is between
+14 and
14 dB in steps of 2 dB. Fig.20 shows the control
characteristic with external capacitors of 10 nF.
7.5.5
B
ASS
Thebasscontrolisthenextstage.Thecharacteristicofthe
bass curves depends upon the external circuits at
pins LBO/LBI (left channel) and RBO/RBI (right channel)
and also upon the setting of BSYM bit (MSB of the bass
control byte). With BSYM = 1, an equalizer characteristic
and with BSYM = 0, a shelving characteristic is obtained.
Figures 17 and 18 show the bass curves with an external
circuit of 2
×
220 nF and R = 3.3 k
for each channel with
different values for BSYM. Figure 19 shows the bass
curves with an external capacitor of 47 nF for each
channel and BSYM = 0, for boost and cut.
7.5.6
V
OLUME
2
The four volume 2 blocks are located at the end of the
tone/volume control. In addition to volume control (same
settings as volume 2) also the balance and fader functions
are performed by individual attenuation offsets for the four
attenuators. The control range of these attenuators is
56 dB in steps of 1 dB and additional the steps
58.5 dB,
62 dB,
68 dB, and a mute step.
7.5.7
RSA
SELECTOR
The RSA selector provides the possibility to select an
alternative source for the rear channels. In this event rear
channels are only controlled by volume 2 function.
7.5.8
C
HIME ADDER
With the chime adder circuit the chime input signal can be
summed with the left front and/or right front audio, or be
turned off.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TEA6880H/V2 | 功能描述:音頻 DSP AUDIO POWER MISC RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
| TEA6880H/V2,518 | 功能描述:音頻 DSP AUDIO POWER RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
| TEA6880H/V2,557 | 功能描述:音頻 DSP AUDIO POWER MISC RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
| TEA6880HBA-T | 功能描述:音頻 DSP AUDIO POWER RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
| TEA6886 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Up-level Car radio Analog Signal Processor CASP |
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