Philips TDA9605H

1999 Apr 14 37

Philips Semiconductors Product speciﬁcation

Audio processor with head ampliﬁer for VHS hi-ﬁ TDA9605H

Hi-ﬁ detector (bit AUTN)

Vth(rms) threshold level (RMS value) playback mode (HPD = 1);

left channel carrier 2.4 3.3 4.6 mV

Vth(acc) accuracy of threshold level left channel carrier on pins PBIN1

and PBIN2

−5 0 +5 dB

td(sw) switch-on delay carrier to no-carrier 150 300 500 µs

Hi-ﬁ dropout cancelling (bit DOC)

Vth threshold level with respect to threshold level of

bit AUTN

−7−4−2dB

d(sw) switch-off delay no-carrier to carrier 5 9 14 µs

Head switching noise suppression

thhold time sample-and-hold time bit SHH = 0 5 6 7 µs

sample-and-hold time bit SHH = 1 7 8 9 µs

THD total harmonic distortion test 25c; note2 −−−73 dB

tddelay between HID control signal and

hold status

−0.3 −µs

PLL FM demodulator (test 25c)

Visensitivity ∆fFM = 150 kHz; S/N = 35 dB −0.3 1 mV

THD total harmonic distortion normal;∆fFM = 50 kHz −0.05 0.3 %

maximum; ∆fFM = 150 kHz −0.2 1.5 %

S/N signal-to-noise ratio ∆fFM= 50 to 0 kHz 54 60 −dB

αct(ch) channel crosstalk left or right carrier;∆fFM = 0 kHz −−80 −dB

Noise reduction (test 26c)

Vnnoise level tuner input signal level

at −∞ dBV;note 3

−−95 −90 dBV

THD total harmonic distortion tuner input signal level

at −6.5 dBV

−0.05 0.2 %

αlin linearity tuner input signal level

from −6.5 to −36.5 dBV 58 59.6 62 dB

αres(f1) frequency response 300 Hz tuner input frequency from

300 to 1000 Hz

−0.6 +0.4 +1.4 dB

αres(f2) frequency response 10 kHz tuner input frequency from

10 to 1 kHz

−9.2 −7.7 −6.2 dB

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT