Marantz PM6003, Service Manual

Page: 18 / 39

26
IC21 : LC78212
Electrical Characteristics
at Ta = 25°C, V
SS
= 0 V
Equivalent Circuit Block Diagrams
No. 4817-3/6
LC78211, 78212, 78213
Parameter Symbol Conditions min typ max Unit
I = 1 mA, V
DD
– V
EE
= 12 V:
R
ON
1 L1 to L8, R1 to R8, LCOM1 to LCOM4, 150 Ω
Analog switch on resistance
RCOM1 to RCOM4
I = 1 mA, V
DD
– V
EE
= 37 V:
R
ON
2 L1 to L8, R1 to R8, LCOM1 to LCOM4, 70 Ω
RCOM1 to RCOM4
V
IN
= 1 Vrms, f = 1 kHz, V
DD
– V
EE
= 37 V:
THD1 L1 to L8, R1 to R8, LCOM1 to LCOM4, 0.0015 0.01 %
Total harmonic distortion
RCOM1 to RCOM4
V
IN
= 0.1 Vrms, f = 1 kHz, V
DD
– V
EE
= 37 V:
THD2 L1 to L8, R1 to R8, LCOM1 to LCOM4, 0.01 0.05 %
RCOM1 to RCOM4
V
IN
= 0 dBV, f = 10 kHz, V
DD
– V
EE
= 37 V:
Feedthrough F
TH
L1 to L8, R1 to R8, LCOM1 to LCOM4, 55 dB
RCOM1 to RCOM4
V
IN
= 0 dBV, f = 10 kHz, V
DD
– V
EE
= 37 V:
Crosstalk CT L1 to L8, R1 to R8, LCOM1 to LCOM4, 75 dB
RCOM1 to RCOM4
Input high level current I
IH
V
I
= 18.5 V: DI, CL, CE, S, RES +10 µA
Input low level current I
IL
V
I
= 0 V: DI, CL, CE, S, RES –10 µA
Analog switch leakage current
V
I
= V
EE
to V
EE
+ 37 V:
(off state)
I
OFF
L1 to L8, R1 to R8, LCOM1 to LCOM4, –10 +10 µA
RCOM1 to RCOM4
Current drain I
DD
V
DD
1.0 mA
Continued on next page.
IC62 : TC74HC4094AFN