cxa1898q Sony Electronics, cxa1898q Datasheet - Page 7

• Manufacturer Part Number: cxa1898q
• Description: Recording/playback Equalizer Amplifier
• Manufacturer: Sony Electronics

Note)
The resistance of open collector outputs (Pins 2 and 13 to 22) can be also connected to V
No.
Pin
40
45
41
42
43
44
48
39
46
PB FB22
PB FB21
PB FB12
PB FB11
PB INB2
PB INA2
PB INA1
PB INB1
AMS GAIN
Symbol
voltage
2.8V
1.4V
0.0V
3.5V
DC
I/O
—
—
—
I
resistance
105k
70k
I/O
—
—
42
44
41
43
39
46
48
GND
V
– 7 –
GND
CC
GND
V
V
147
10k
70k
CC
CC
147
V
147
CC
GND
Equivalent circuit
6
10k
6
7k
3
10µ
GND
100k
2k
3
4
V
1k
1k
2
GND
CC
210k
210k
147
RFS
5p
GND
GND
2k
V
V
4
RFS
CC
CC
45
40
Connects a capacitor
for determining
playback equalizer
time constants, such
as 120µs and 70µs.
Playback equalizer
negative feedback.
Playback equalizer
input.
Connects a resistor
for determining AMS
signal detection level
and a capacitor for
determining HPF
cut-off frequency.
CC
.
Description
CXA1898Q