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參數(shù)資料
| 型號： | T0820 |
| 廠商： | Atmel Corp. |
| 英文描述： | 4 CHANNEL LASER DRIVER WITH RF OSCILLATOR |
| 中文描述： | 4通道激光驅(qū)動器，帶有射頻振蕩器 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大?。?/td> | 187K |
| 代理商： | T0820 |
5
T0820
4506F–DVD–09/04
Electrical Characteristics: Laser Amplifier
V
CC
= 5 V, T
amb
= 25°C, ENABLE = High, unless otherwise specified
No.
Parameters
4
Laser Amplifier
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Type*
4.1
Best fit current gain
Any channel
(1)
Any channel
(1)
Any channel
(1)
14
GAIN
90
105
130
mA/mA
A
4.2
Best fit current offset
14
IOS
-8
+4
mA
A
4.3
Output current linearity
14
ILIN
-3
+3
%
A
4.4
Input current range
Input is sinking
1, 2,
4, 5
IDAC
0
3
mA
C
4.5
Output current read
channel
Output is sourcing
14
I
OUTR
150
mA
A
4.6
Output current channel 2
Output is sourcing
14
I
OUT2
I
OUT3
I
OUT4
150
mA
A
4.7
Output current channel 3
Output is sourcing
14
200
mA
A
4.8
Output current channel 4
Output is sourcing
14
200
mA
A
4.9
Output current read
channel + channel 2
Output is sourcing
14
I
OUTR,2
150
mA
A
4.10
Output current channel 3
+ channel 4
Output is sourcing
14
I
OUT3,4
200
mA
A
4.11
Total output current
Output is sourcing
14
I
OUT
300
mA
A
4.12
IOUT series resistor
I
OUT
= 250 mA total
R
OUT
to V
CC
-Rail
R
IN
is to GND
14
R
OUT
8
C
4.13
I
IN
input impedance
1, 2,
4, 5
R
IN
150
200
250
A
4.14
NE threshold
Temperature
stabilized
6, 7, 8
VTH
1.68
V
B
4.15
Output off current 1
ENABLE = Low
IOFF
1
1
mA
A
4.16
Output off current 2
NE2=NE3=NE4=High
I
IR
=0 μA,
I
I2
=I
I3
=I
I4
= 500 μA
NE2=NE3=NE4=Low,
I
IR
=I
I2
=I
I3
=I
I4
= 0 μA
I
OUT
= 40 mA,
V
CC
= 5 V
±
10%,
read only
14
IOFF
2
1
mA
A
4.17
Output off current 3
14
IOFF
3
5
mA
A
4.18
I
OUT
supply sensitivity,
read mode
14
VSE
R
-4
-1
%/V
A
4.19
I
OUT
supply sensitivity,
write mode
I
OUT
= 80 mA, 40 mA
read + 40 mA write,
V
CC
=5V
±
10%
I
OUT
= 40 mA,
ENOSC = Low
14
VSE
W
-4
0.2
%/V
A
4.20
I
OUT
current output noise
14
INO
O
3
nA/
rt-Hz
C
4.21
I
OUT
temperature
sensitivity, read mode
I
OUT
= 40 mA, read
only
14
TSE
R
-500
ppm/
°
C
ppm/
°
C
C
4.22
I
OUT
temperature
sensitivity, write mode
I
OUT
= 80 mA, 40 mA
read + 40 mA Write
14
TSE
W
-600
C
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note:
1. Linearity of the amplifier is calculated using a best fit method at three operating points of
I
OUT
at 20 mA, 40 mA, and 60 mA. I
OUT
= (I
IN
×
GAIN) + I
OS
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