cxa2680er Sony Electronics, cxa2680er Datasheet - Page 2

• Manufacturer Part Number: cxa2680er
• Description: Five-channel Dual Cd/dvd Laser Driver For Ultra Combo Drives
• Manufacturer: Sony Electronics

I Figure 1 CD Output Drive Current Temperature
I Figure 3 Sample 5-Value Recording Waveform
I Figure 4 Application Circuit Example
Output drive current temperature characteristics
500
450
400
350
300
250
200
150
100
when input signals are applied to both write channels at the same time
50
0
0
R FREQ COMP
1µ
(DVD)
LD1
10k
10k
20k
22k
11k
11k
Characteristics
R FREQ2
R FREQ1
RAMP11
LDOUT1
Vcc_LD
RAMP2
RAMP1
Input current to each write channel [µA]
100
10
11
12
13
14
15
16
9
Vcc = 5 V, Vop = 2.5 V
(CD)
LD2
17
8
200
1µ
18
7
Write power 3
Write power 2
Write power 1
Read power
Cool power
0 mW
300
Iref
1µ
OSC
Mode control logic
19
CMOS 3.3/TTL
6
25°C
150°C
Iref
400
Iref
20
5
Iref
21
4
Iref
Voltage DAC
Vref
22
3
CONT
LDEN
OSC
23
2
I Figure 2 DVD Output Drive Current Temperature
100
24
Output drive current temperature characteristics
1
when input signals are applied to both write channels at the same time
450
400
350
300
250
200
150
100
50
0
0
Characteristics
32
31
30
29
28
27
26
25
OUTEN3
xOUTEN3
OUTEN4
xOUTEN4
OUTEN5
xOUTEN5
OUTENREF
VBG
Input current to each write channel [µA]
200
1µ
1µ
100
100
100
Vcc = 5 V, Vop = 3 V
400
600
25°C
150°C
800
13