CXA1998 SONY [Sony Corporation], CXA1998 Datasheet - Page 9

• Manufacturer Part Number: CXA1998
• Description: Recording/Playback Equalizer Amplifier
• Manufacturer: SONY [Sony Corporation]

Note)
• AMS GND (Pin 10), DGND (Pin 28) and GND (Pin 33) are each independent in the IC and are not connected.
• The resistance of open collector outputs (Pins 15 to 22) can be connected Vcc.
No.
Pin
Be sure tp ground each of the ground pins listed above.
40
45
41
42
43
44
PB FB12
PB FB11
PB INB2
PB INA2
PB INA1
PB INB1
Symbol
voltage
1.4V
0.0V
DC
I/O
—
I
resistance
105kΩ
70kΩ
I/O
44
41
42
43
GND
V
CC
147
70k
5k
V
CC
– 9 –
GND
6
Equivalent circuit
30p
10k
6
V
1k
1k
2
CC
210k
210k
RFS
10p
147
GND
V
CC
40
45
Playback equalizer
negative feedback.
Playback equalizer
input.
Description
CXA1998AQ