cxa2640er Sony Electronics, cxa2640er Datasheet - Page 4

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

Pin
No.
17
15
18
19
20
13
16
12
14
RAMP1
R FREQ COMP
RAMP2
LDOUT1
GND2
R FREQ1
Vcc_LD
LDOUT2
R FREQ2
Symbol
I/O
O
—
—
O
O
O
O
O
O
DC
Pin voltage
—
—
—
—
—
AC
—
—
—
—
—
13
14
15
17
18
– 4 –
Equivalent circuit
12
19
8p
8p
8p
—
—
300
300
300
CD laser drive current output.
Enabled when LDEN2 = high.
Modulator frequency setting 1.
Enabled when LDEN1 = high.
Connects resistance to
ground.
Modulator frequency variation
adjustment.
Connects resistance to
ground.
Output stage supply voltage.
Modulator amplitude setting 1.
Enabled when LDEN1 = high.
Connects resistance to
ground.
Modulator amplitude setting 2.
Enabled when LDEN2 = high.
Connects resistance to
ground.
Ground.
Modulator frequency setting 2.
Enabled when LDEN2 = high.
Connects resistance to
ground.
DVD laser drive current
output.
Enabled when LDEN1 = high.
Description
CXA2640ER