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參數(shù)資料
| 型號(hào)： | TDA9614H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Audio processor for VHS hi-fi and linear audio(應(yīng)用于VHS高保真和線性音頻的音頻處理器) |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | PLASTIC, QFP-64 |
| 文件頁(yè)數(shù)： | 35/60頁(yè) |
| 文件大小： | 570K |
| 代理商： | TDA9614H |
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1995 Mar 21
35
Philips Semiconductors
Preliminary specification
Audio processor for VHS hi-fi
and linear audio
TDA9614H
Notes
1.
Using AGC on (AGCN = 0) and NormSel set to volume mode. The AGC gain is 1 dB higher for audio signals below
the AGC clip level (specified value of AGC clip level does not change).
Using AGC off (AGCN = 1) and NormSel not set to volume mode, the output signal is 1 dB lower (1 dB below the
specified value).
2.
The transfer A of the REC equalizer from LININ to RECOUT is:
where Z is the (complex) impedance at pin RECEQ to ground and R is the specified resistance of 1200
.
10.3
Audio output signal from the FM (de)modulator at AFML and AFMR (pins 63 and 52).
Playback Audio FM mode
Linear audio record output RECOUT; pin 33
(see Fig.11)
V
o
output voltage
AGCN = 0; note 1
AGCN = 1;
NormSel = volume; note 1
AGCN = 1;
NormSel = volume
AGCN = 1; TUNL and
TUNR AC grounded
2
4
0
2
+2
0
dBV
dBv
THD
total harmonic distortion
0.02
0.5
%
V
n
noise level
80
70
dBV
Z
o
V
mute
output impedance
mute level
100
85
200
dBV
loop-through R;
NOM = mute
Linear audio RECEQ (pin 31)
Z
t
transfer impedance
note 2
900
1200
1500
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP.
MAX.
UNIT
Bandpass filters (filter curves measured using test numbers 3 and 4 [HF AGC off])
V
o(rms)
output voltage level at FMOUT
(RMS value)
V
iHF(rms)
= 30 mV;
1.3 MHz BPF
V
iHF(rms)
= 30 mV;
1.4 MHz BPF
V
iHF(rms)
= 30 mV;
1.7 MHz BPF
V
iHF(rms)
= 30 mV;
1.8 MHz BPF
1.0 MHz/1.4 MHz
1.25 MHz/1.4 MHz
1.55 MHz/1.4 MHz
1.65 MHz/1.4 MHz
1.55 MHz/1.65 MHz
1.8 MHz/1.4 MHz
105
150
215
mV
105
150
215
mV
105
150
215
mV
105
150
215
mV
1.4 MHz BPF
6
7
10
30
3
3
17
15
20
12
30
dB
dB
dB
dB
dB
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
A
Z
+
Z
--R
)
3.98
×
=
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