T0820
| Model | T0820 |
| Description | 4 CHANNEL LASER DRIVER WITH RF OSCILLATOR |
| PDF file | Total 11 pages (File size: 188K) |
| Chip Manufacturer | ATMEL |
T0820
Electrical Characteristics: Laser Amplifier
V
CC
= 5 V, T
amb
= 25°C, ENABLE = High, unless otherwise specified
No.
4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
4.11
4.12
4.13
4.14
4.15
4.16
Parameters
Laser Amplifier
Best fit current gain
Best fit current offset
Output current linearity
Input current range
Output current read
channel
Output current channel 2
Output current channel 3
Output current channel 4
Output current read
channel + channel 2
Output current channel 3
+ channel 4
Total output current
IOUT series resistor
I
IN
input impedance
NE threshold
Output off current 1
Output off current 2
Any channel
(1)
Any channel
(1)
Any channel
(1)
Input is sinking
Output is sourcing
Output is sourcing
Output is sourcing
Output is sourcing
Output is sourcing
Output is sourcing
Output is sourcing
I
OUT
= 250 mA total
R
OUT
to V
CC
-Rail
R
IN
is to GND
Temperature
stabilized
ENABLE = Low
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
I
OUT
= 80 mA, 40 mA
read + 40 mA write,
V
CC
=5V±10%
I
OUT
= 40 mA,
ENOSC = Low
I
OUT
= 40 mA, read
only
I
OUT
= 80 mA, 40 mA
read + 40 mA Write
14
14
14
14
1, 2,
4, 5
14
14
14
14
14
14
14
14
1, 2,
4, 5
6, 7, 8
GAIN
IOS
ILIN
IDAC
I
OUTR
I
OUT2
I
OUT3
I
OUT4
I
OUTR,2
I
OUT3,4
I
OUT
R
OUT
R
IN
VTH
IOFF
1
IOFF
2
IOFF
3
VSE
R
-4
150
90
-8
-3
0
150
150
200
200
150
200
300
8
200
1.68
1
1
250
105
130
+4
+3
3
mA/mA
mA
%
mA
mA
mA
mA
mA
mA
mA
mA
Ω
Ω
V
mA
mA
A
A
A
C
A
A
A
A
A
A
A
C
A
B
A
A
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Type*
4.17
4.18
Output off current 3
I
OUT
supply sensitivity,
read mode
I
OUT
supply sensitivity,
write mode
I
OUT
current output noise
I
OUT
temperature
sensitivity, read mode
I
OUT
temperature
sensitivity, write mode
14
5
mA
A
14
-1
%/V
A
4.19
14
VSE
W
INO
O
TSE
R
TSE
W
-4
0.2
%/V
nA/
rt-Hz
ppm/
°
C
ppm/
°
C
A
4.20
4.21
4.22
14
14
14
3
-500
-600
C
C
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
5
4506F–DVD–09/04
