Philips TDA9605H

1999 Apr 14 36

Philips Semiconductors Product speciﬁcation

Audio processor with head ampliﬁer for VHS hi-ﬁ TDA9605H

13 PLAYBACK MODE CHARACTERISTICS

VCC = 12 V; Tamb=25°C; measured in typical application circuit of Fig.14; unless otherwise speciﬁed.

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

Play back input on pins PBIN2 and PBIN1

Riinput resistance −700 −Ω

iinput capacitance −35 −pF

Vn(i) input noise voltage −0.5 −nV/√Hz

In(i) input noise current −2.5 −pA/√Hz

Head mode switch: pin HSMW

Riinput impedance with respect to ground −12Ω

Head ampliﬁer

Gacc gain accuracy test 8 −3 0 +3 dB

Gbal gain balance between pins PBIN1 and PBIN2 −1 0 +1 dB

αct head-to-head crosstalk between pins PBIN1and PBIN2 −−45 −dB

HF AGC (test 5)

Vi(p-p) AGC start level

(peak-to-peak value) playback mode (HPD = 1);

left plus right channel 47 67 94 mV

B control bandwidth note 1 −10 −kHz

Left channel band-pass ﬁlter (test 3)

αfoutput voltage ratio (f0−400kHz)/f0−−30 −20 dB

(f0−150 kHz)/f0−9−6−dB

(f0+ 150 kHz)/f0−9−5−dB

(f0+ 250 kHz)/f0−−17 −12 dB

(f0+ 250 kHz)/(f0+ 150 kHz) −−12 −9dB

(f0+ 400 kHz)/f0−−−30 dB

td(g) ripple group delay (f0−150kHz) to (f0+ 150 kHz) −0.5 −µs

Right channel band-pass ﬁlter (test 4)

αfoutput voltage ratio (f0−400kHz)/f0−−−30 dB

(f0−250 kHz)/f0−−17 −10 dB

(f0−250 kHz)/(f0−150 kHz) −−12 −9dB

(f01 150 kHz)/f0−9−5−dB

(f0+ 150 kHz)/f0−9−6−dB

(f0+ 400 kHz)/f0−−30 −20 dB

td(g) ripple group delay (f0−150kHz) to (f0+ 150 kHz) −0.5 −µs