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參數(shù)資料
| 型號(hào)： | TDA9615H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Audio processor for VHS hi-fi(應(yīng)用于VHS高保真的音頻處理器) |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP44 |
| 封裝： | 10 X 10 X 1.75 MM, PLASTIC, SOT-307-2, QFP-44 |
| 文件頁數(shù)： | 28/44頁 |
| 文件大?。?/td> | 263K |
| 代理商： | TDA9615H |
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1997 Jun 16
28
Philips Semiconductors
Preliminary specification
Audio processor for VHS hi-fi
TDA9615H
Notes
1.
Signals below maximum input level are handled without internal clipping. Higher input levels however can still be
handled properly by the demodulators. Typical input level equals two carriers of 30 mV (RMS value).
Single carrier signal at FMIN of 75 mV (RMS value) and amplitude modulated. Control bandwidth is the modulation
frequency at which the amplitude modulation is attenuated 3 dB by the HF AGC.
Sample-and-hold audio distortion is measured using 500 Hz at HID input (pin 40). FMIN: f
mod
= 10 kHz;
f = 50 kHz.
Audio distortion is measured using a 3 kHz 4th order low-pass filter. Value is corrected with 24 dB in order to
calculate equivalent distortion at 30 Hz HID input.
Typical value: B = 20 Hz to 20 kHz, unweighted; production testing: B = 300 Hz to 20 kHz, unweighted.
2.
3.
4.
PLL FM demodulator (test 25: LINEL and LINER; pins 15 and 16)
V
i
THD
sensitivity
total harmonic distortion
total harmonic distortion at
maximum
signal to noise ratio
channel crosstalk
f = 150 kHz; S/N = 35 dB
f = 50 kHz
f = 150 kHz
0.3
0.03
0.2
1.2
0.3
1.5
mV
%
%
S/N
α
ct(ch)
f = 50 to 0 kHz
left or right carrier
f = 0 kHz
54
60
80
dB
dB
Noise reduction (test 26: LINEL and LINER; pins 15 and 16)
V
n
THD
α
l
f
res
noise level
total harmonic distortion
linearity
frequency response 300 Hz
frequency response 10 kHz
TUN =
∞
dBV; note 4
TUN =
3.5 dBV
TUN =
3.5 to
33.5 dBV
TUN = 1 kHz to 300 Hz
TUN = 1 kHz to 10 kHz
58
0.6
9.2
96
0.05
59.6
+0.4
7.7
90
0.2
62
+1.4
6.2
dBV
%
dB
dB
dB
FM demodulator and noise reduction (LINEL and LINER; pins 15 and 16)
V
o
α
cb
output voltage
channel balance
10
1.5
8
0
6
+1.5
dBV
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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