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參數(shù)資料
| 型號： | M61880FP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | Laser-diode driver / controller |
| 中文描述： | 激光二極管驅(qū)動器/控制器 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 160K |
| 代理商： | M61880FP |
MITSUBISHI
<
DIGITAL ASSP
>
M61880FP
Laser-diode driver / controller
NC : No connection
DESCRIPTION
The M61880FP is a semiconductor laser-diode driver/
controller. Its functions are the driving and laser power
control of a specific type(Mitsubishi's N-type laser)of
semiconductor laser diode,in which the anode of a
semiconductor laser diode is connected in stem structure
to the cathode of a monitoring photodiode.
The IC has a laser drive current output pin of sink type
and is capable of driving a laser diode on a maximum bias
current of 40mA and a maximum switching current of 100
mA,which is switching at a rate of 200Mbps.
Since the M61880FP has a built in sample-hold circuit,it is
possible to realize an internal APC* system that requires
no external device for laser power control.
*:Automatic Power Control
FEATURES
Built-in sample-hold circuit for internal APC function
Hold error voltage is less than 1% for 1μs(C=0.047μF)
High speed switching 200Mbps
Large driving current 100mA (max)
Capable of setting bias current (40mA max)
Outline 20P2N-A
PIN CONFIGURATION (TOP VIEW)
( / )
1
R
S
Vcc1
Vref
Vr
C
H
S / H
GND1
NC
R
B
V
B
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
APPLICATION
Semiconductor laser-diode applied equipment
Laser beam printer(LBP)
Plain Paper Copier(PPC)
5V single power supply
OUTPUT TO SWITCHING
CURRENT SETTING LOAD
OUTPUT TO BIAS CURRENT
SETTING LOAD
BIAS CURRENT SETTING
VOLTAGE INPUT
REFERENCE VOLTAGE
OUTPUT
HOLDING CAPACITOR
LOAD INPUT/OUTPUT
REFERENCE VOLTAGE
INPUT
SAMPLE-HOLD
CONTROL INPUT
GND2
RO
DATA
LD
PD
Vcc2
ENB
2RM
1RM
N C
MONITORING
LOAD INPUT 2
LASER CURRENT
LOAD OUTPUT
LASER CURRENT
OUTPUT
MONITORING
DIODE INPUT
SWITCHING
DATA INPUT
LASER CURRENT
ENABLE INPUT
MONITORING
LOAD INPUT 1
BLOCK DIAGRAM
1
2
3
4
5
6
7
8
9
10
NC
11
12
13
14
15
16
17
18
19
20
GND1
S/H
R
S
R
B
V
B
Vref
Vr
Vcc1
DATA
LD
Reference
voltage
1.5V
COMP
TTL/ECL
50K
+
IB
ISW
ENB
Vcc2
RO
N C
GND2
PD
2RM
1RM
2.5V
11
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