cxa2640er Sony Electronics, cxa2640er Datasheet - Page 3

• Manufacturer Part Number: cxa2640er
• Description: 3-channel 2-ld Driver For Optical Disc Drive
• Manufacturer: Sony Electronics

Pin Description
No.
Pin
10
11
6
1
3
4
5
7
2
8
9
VBG
OUTEN2
OUTEN3
xOUTEN3
OUTENREF
IIN1
Vcc1
Vcc2
xOUTEN2
IIN2
IIN3
Symbol
I/O
O
O
I
I
I
I
I
I
I
I
I
1.65V
1.26V
DC
Pin voltage
—
—
—
—
—
AC
—
—
—
—
—
—
—
6
5
– 3 –
Equivalent circuit
1
2
3
4
8
9
7
12.6k
40k
—
—
500
100
300
700
1k
300
300
2k
Internal reference voltage
decoupling.
IIN2 set current control
signal input. (positive logic)
IIN3 set current control signal
input. (positive logic)
IIN3 set current control signal
input. (negative logic)
Reference voltage output for
current control signal.
Connects decoupling
capacitance to ground.
Current setting 1.
The set current 100 is
output when LDEN1 or
LDEN2 = high.
Supply voltage for control
system and modulator system.
Supply voltage for timing
system and current switch.
IIN2 set current control
signal input. (negative logic)
Current setting pin 2.
The set current 400 is
output through LDOUT1
when LDEN1 = high.
The set current 840 is
output through LDOUT2
when LDEN2 = high.
Current setting pin 3.
The set current 400 is
output through LDOUT1
when LDEN1 = high.
The set current 840 is
output through LDOUT2
when LDEN2 = high.
Description
CXA2640ER