Harman Kardon HD750 - Page 24

AN8849SB
■ Electrical Characteristics at T
a
= 25°C
Parameter Symbol Conditions Min Typ Max Unit
Current consumption with no load 1I
TOTAL1
V
CC1
= 5 V, V
CC2
= 3.3 V 28.4 40.6 52.8 mA
V
EQSW
= V
REF2
+0.75 V
Current consumption with no load 2I
TOTAL2
V
CC1
= 5 V, V
CC2
= 3.3 V 1.20 1.72 2.24 mA
V
REF1
output voltage V
REF1
V
CC1
= 5 V, V
CC2
= 3.3 V 2.27 2.50 2.73 V
V
REF2
output voltage V
REF2
V
CC1
= 5 V, V
CC2
= 3.3 V 1.50 1.65 1.80 V
Focus error amp.
Focus error amp. V
FO−OF
V
CC1
= 5 V, V
CC2
= 3.3 V −90 0 90 mV
output offset voltage
Focus error offset balance V
FO−OFB
V
CC1
= 5 V, V
CC2
= 3.3 V −150 0 150 mV
crosstalk amount V
FB
= V
REF2
±0.5 V
Focus error amp. G
FO
V
CC1
= 5 V, V
CC2
= 3.3 V 12.3 14.4 16.5 dB
V-V conversion gain V
GC
= V
REF2
− 0.75 V
Focus error amp. ∆G
FO
V
CC1
= 5 V, V
CC2
= 3.3 V −1.5 0 1.5 dB
V-V conversion relative gain V
GC
= V
REF2
− 0.75 V
Focus error amp. B
FO1−H
V
CC1
= 5 V, V
CC2
= 3.3 V 1.08 1.35 1.62 
balance output 1−HV
FB
= V
REF2
+0.5 V
Focus error amp. B
FO1−L
V
CC1
= 5 V, V
CC2
= 3.3 V 0.45 0.65 0.85 
balance output 1−LV
FB
= V
REF2
− 0.5 V
Focus error amp. B
FOH
V
CC1
= 5 V, V
CC2
= 3.3 V 4.35 6.35 8.35 dB
balance relative output 2−HV
FB
= V
REF2
+0.5 V
Focus error amp. B
FOL
V
CC1
= 5 V, V
CC2
= 3.3 V −8.35 −6.35 −4.35 dB
balance relative output 2−LV
FB
= V
REF2
− 0.5 V
Focus error amp. G
FOF
V
CC1
= 5 V, V
CC2
= 3.3 V −4.5 −3.0 −1.5 dB
frequency characteristics f = 3 kHz, 60 kHz
Focus error amp. B
FO4
V
CC1
= 5 V, V
CC2
= 3.3 V 3.3 4.3 5.3 
GCTRL gain ratio × 4V
GC
= V
REF2
Tracking error amp.
Tracking error amp. V
TR−OF
V
CC1
= 5 V, V
CC2
= 3.3 V −60 0 60 mV
output offset voltage
Tracking error offset balance V
TR−OFB
V
CC1
= 5 V, V
CC2
= 3.3 V −200 0 200 mV
crosstalk amount V
TB
= V
REF2
±0.5 V
Tracking error amp. G
TR
V
CC1
= 5 V, V
CC2
= 3.3 V 12.2 14.3 16.4 dB
V−V conversion gain V
GC
= V
REF2
− 0.75 V
Tracking error amp. ∆G
TR
V
CC1
= 5 V, V
CC2
= 3.3 V −1.5 0 1.5 dB
V−V conversion relative gain V
GC
= V
REF2
− 0.75 V
Tracking error amp. B
TR1−H
V
CC1
= 5 V, V
CC2
= 3.3 V 0.45 0.65 0.85 
balance output 1−HV
TB
= V
REF2
+0.5 V
Tracking error amp. B
TR1−L
V
CC1
= 5 V, V
CC2
= 3.3 V 1.08 1.35 1.62 
balance output 1−LV
TB
= V
REF2
− 0.5 V
HD750
24