T0820-TCQG ATMEL [ATMEL Corporation], T0820-TCQG Datasheet - Page 7

• Manufacturer Part Number: T0820-TCQG
• Description: 4-channel Laser Driver with RF Oscillator
• Manufacturer: ATMEL [ATMEL Corporation]

8. Electrical Characteristics: Laser Current Amplifier Output AC Performance
V
4506G–DVD–11/05
CC
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note:
5.10
No.
5.1
5.2
5.3
5.4
5.5
5.6
5.7
6.1
6.2
6.3
6.4
6.5
5
6
= +5V, I
1. Load resistor at IOUT 10 , measurement with a 50- oscilloscope and a 39- series resistor
Parameters
Laser Current Amplifier Output AC Performance
Write rise time
Write fall time
Output current
overshoot
I
I
Disable time
Enable time
Amplifier bandwidth
Oscillator
Oscillator frequency
Oscillator
temperature
coefficient
Disable time oscillator
Enable time oscillator
Oscillator swing
OUT
OUT
OUT
ON prop delay
OFF prop delay
= 40 mA DC with 40 mA pulse, T
Test Conditions
I
40 mA (10% – 90%)
I
40 mA (10% – 90%)
I
40 mA
NE 50% High-Low to
I
value
NE 50% Low-High to
I
value
ENABLE 50%
High-Low to I
50% of final value
ENABLE 50%
Low-High to I
50% of final value
I
channels, –3 dB value
RF = 7.5 k
RS = 560
RF = 7.5 k
RS = 560
ENOSC 50%
Low-High to I
50% of final value
ENOSC 50%
High-Low to I
50% of final value
RF = 7.5 k
RS = 560
OUT
OUT
OUT
OUT
OUT
OUT
= 40 mA (read) +
= 40 mA (read) +
= 40 mA (read) +
= 50 mA, all
at 50% of final
at 50% of final
(1)
amb
OUT
OUT
OUT
OUT
= 25°C, unless otherwise specified
at
at
at
at
(1)
(1)
Pin
14
14
14
14
14
14
14
14
14
14
14
14
14
Symbol
BW
TC
T
F
T
S
t
t
t
OS
t
RISE
FALL
t
t
OFF
DISO
DIS
OSC
ENO
OSC
ON
EN
OSC
LCA
Min.
255
35
Typ.
-150
300
1.0
1.1
2.0
2.0
10
50
20
5
4
2
Max.
350
3.0
3.0
55
mApp
ppm/
MHz
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
%
C
T0820
Type*
C
C
C
C
C
C
C
C
C
C
C
A
A
7