cxa1878q Sony Electronics, cxa1878q Datasheet - Page 3

• Manufacturer Part Number: cxa1878q
• Description: Dolby B-c Type Noise Reduction System With Recording/playback Equalizer Amplifier
• Manufacturer: Sony Electronics

Pin Description
No.
Pin
51
50
49
48
1
2
3
4
NR RECIN1
NR RECIN2
LINE OUT1
LINE OUT2
NR TCH1
NR TCH2
NR TCL1
NR TCL2
Symbol
Typical pin voltage
+0.4V
+0.4V
0.0V
0.0V
V
V
DC
EE
EE
–26dBv
–4dBv
AC
—
—
I/O Z (in)
—
—
O
I
40k
—
—
—
51
1
– 3 –
50
49
2
3
48
4
Equivalent circuit
(Ta = 25°C, V
40k
300
300
13k
13.5k
480k
36k
330k
CC
3.4k
1.5k
= 7.0V, V
GND
EE
Recording equalizer
amplifier input
Line output
Time constant for the
HLS
Time constant for the
LLS
= –7.0V, DV
Description
CC
CXA1878Q
= 5.0V)