CXA1998 データシートの表示（PDF） - Sony Semiconductor
部品番号
コンポーネント説明
メーカー
CXA1998 Datasheet PDF : 28 Pages
| |||
CXA1998AQ
Pin Description
Pin
No.
Symbol
DC
voltage
I/O I/O
resistance
1 GP CAL 1.2V — —
(Ta = 25°C, VCC = 8V, VDD = 5V, no signal, RESET ON)
Equivalent circuit
Description
Vcc
Vcc
×2
1
30k
147
GND
GND
Connects a resistor
for determining the
high-band peak gain
of recording equalizer.
Reference setting
resistance is 27kΩ.
VCC
VCC
2 A EQ
—
I—
147
2
Deck A equalizer
switch.
Low: 120µs EQ
High: 70µs EQ
GND
VCC
GND
3 B EQ
2.5V
(OPEN)
147 50k 5k
I 53kΩ 3
5k
GND
GND
VCC
Deck B equalizer
switch.
Low: NORMAL TAPE,
120µs EQ
Medium: Cro2 TAPE,
70µs EQ
High: METAL TAPE,
70µs EQ
4 AGC TC 0.0V — —
VCC
×2
VCC
×2
200
500
4
147
×2
500
×4
5k
100k 200
GND
GND
Connects a resistor
and capacitor for
determining AGC
attack/recovery time
constants.
–3–
Share Link: 