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): 37/60頁(yè)
文件大小: 570K
代理商: TDA9614H
1995 Mar 21
37
Philips Semiconductors
Preliminary specification
Audio processor for VHS hi-fi
and linear audio
TDA9614H
Notes
1.
2.
HID pulse frequency set to 1 kHz. Unmodulated carrier at FMIN input with 135
°
phase step.
The audio distortion is measured with the HID pulse frequency set to 1 kHz (f
i
= 500 Hz). FM signal: f
m
= 10 kHz;
f = 50 kHz. The distortion is measured with a 3 kHz 4th-order low-pass filter. The measured value at 1 kHz
HID-pulse frequency is corrected with 26 dB in order to calculate the equivalent distortion at 50 Hz HID-pulse
frequency.
Sample-and-hold
(see Fig.9)
t
h
d
AF
t
d
hold time pulse width
audio distortion
delay from HID pulse to hold
pulse
5
6
0.4
7
75
μ
s
dB
μ
s
note 2
Drop-Out Cancellation (DOC)
DOC activation level w.r.t.
mute activation level
switch-off delay time
7
4
2
dB
t
d(off)
no signal to signal
5
9
14
μ
s
Mute timing (CMUTE; pin 62)
V
i(rms)
mute activation level
(RMS value) referenced to
FMIN
switch-off delay time
switch-on delay time
2.2
4.2
7.1
mV
t
d(off)
t
d(on)
signal to no signal
no signal to signal
15
400
ms
ms
Level detector output ENVOUT; pin 60
(see Fig.10)
V
o
output voltage level
f
i
(FMIN) = 1.4 MHz;
V
iHF(rms)
= 2 mV
f
i
(FMIN) = 1.4 MHz;
V
iHF(rms)
= 20 mV
f
i
(FMIN) = 1.4 MHz;
V
iHF(rms)
= 200 mV
0.6
0.9
1.2
V
2.5
2.9
3.3
V
4.1
4.5
4.8
V
R
o
Line outputs (LINEL and LINER; pins 27 and 28); audio inputs at AFNL and AFNR (pins 64 and 51):
11.5 dBV
V
o
output voltage
input signal from modem
to AFML and AFMR
V
n
noise level
f
i
= 300 Hz to 20 kHz
THD
total harmonic distortion
L
linearity
V
iAF
=
11.5 to
41.5 dBV
α
cb
channel balance
f
res
frequency response with
respect to 1 kHz; output level
f
i
= 10 kHz
output resistance
33
k
10
10
8
8
6
6
dBV
dBV
58
2
1
9.7
98
0.05
60
0
+0.4
7.7
90
0.2
62
+2
+1.8
5.7
dBV
%
dB
dB
dB
dB
f
i
= 300 Hz
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP.
MAX.
UNIT
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