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1999 Apr 14 35
Philips Semiconductors Product specification
Audio processor with head amplifier for VHS hi-fi TDA9605H
12 RECORD MODE CHARACTERISTICS
V
CC
= 12 V; T
amb
=25°C; tuner audio input level −8 dBV at f = 1 kHz; auto-calibrated; measured in typical application
circuit of Fig.14; unless otherwise specified.
Notes
1. B = 20 Hz to 20 kHz, unweighted.
2. Amplitude of 400 kHz intermodulation product f
c(R)
and f
c(L)
compared to amplitude of recording current f
c(R)
+f
c(L)
.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Noise reduction (test 25b)
THD total harmonic distortion tuner input signal at
normal level −8 dBV − 0.1 0.3 %
high level +8 dBV − 0.2 1.0 %
α
cb
channel balance −1 0 +1 dB
α
lin
linearity tuner input signal at
low level −68 to −8 dBV −32 −30.5 −29 dB
high level −8 to +8 dBV 7.5 8 8.5 dB
α
n
noise level with respect to
signal level
tuner input signal level
from −∞ to −8 dBV; note 1
−−46 −41 dB
t
att
attack time in accordance with VHS specification − 5 − ms
t
rec
recovery time in accordance with VHS specification − 70 − ms
α
res(f1)
frequency response 300 Hz tuner input frequency from
300 to 1000 Hz
−0.7 −0.2 +0.3 dB
α
res(f2)
frequency response 10 kHz tuner input frequency from
10 to 1 kHz
3.1 3.9 4.7 dB
α
res(lpf1)
audio low-pass filter
response 20 kHz
tuner input frequency from
20 to 1 kHz; test 26b
−0.5 −0.1 +0.5 dB
α
res(lpf2)
audio low-pass filter
response 60 kHz
tuner input frequency from
60 to 1 kHz; test 26b
−−24 −12 dB
FM modulator
THD total harmonic distortion ∆f
FM
= 50 kHz; test 25a and 26a − 0.1 0.2 %
∆f
FM(max)
maximum FM deviation of
clipper
test 25a and 26a 140 150 160 kHz
f
c(acc)
carrier frequency accuracy auto-calibration −5 0 +5 kHz
∆f
c
carrier frequency difference f
c(R)
− f
c(L)
for NTSC auto-calibration 399.2 401.2 403.2 kHz
f
c(shift)
carrier frequency shift NTSC/PAL system switching 97 100 103 kHz
TC temperature coefficient −±50 − ppm/K
Noise reduction and FM modulator
∆f
FM
FM deviation 44.5 50 56.1 kHz
Record output on pin RECOUT
I
o(acc)
output current accuracy left and right carrier 1st harmonic −1.5 0 +1.5 dB
α
f(acc)
carrier mix ratio accuracy left compared to right carrier −1 0 +1 dB
α
IM2
IM2 product note 2 −−66 − dB