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T0820_05 Datasheet, PDF (6/12 Pages) ATMEL Corporation – 4-channel Laser Driver with RF Oscillator
7. Electrical Characteristics: Laser Amplifier
VCC = 5V, Tamb = 25°C, ENABLE = High, unless otherwise specified
No. Parameters
Test Conditions
Pin Symbol Min.
Typ.
Max.
Unit
4 Laser Amplifier
4.1 Best fit current gain
4.2 Best fit current offset
4.3 Output current linearity
Any channel(1)
Any channel(1)
Any channel(1)
14
GAIN
90
105
130 mA/mA
14
IOS
–8
+4
mA
14
ILIN
–3
+3
%
4.4 Input current range
Input is sinking
1, 2, 4,
5
IDAC
0
3
mA
4.5
Output current read
channel
Output is sourcing
14
IOUTR
150
mA
4.6 Output current channel 2 Output is sourcing
14
IOUT2
150
mA
4.7 Output current channel 3 Output is sourcing
14
IOUT3
200
mA
4.8 Output current channel 4 Output is sourcing
14
IOUT4
200
mA
4.9
Output current read
channel + channel 2
Output is sourcing
14
IOUTR,2
150
mA
4.10
Output current channel 3 +
channel 4
Output is sourcing
14
IOUT3,4
200
mA
4.11 Total output current
4.12 IOUT series resistor
4.13 IIN input impedance
Output is sourcing
IOUT = 250 mA total
ROUT to VCC-Rail
RIN is to GND
14
14
1, 2, 4,
5
IOUT
ROUT
RIN
300
mA
8
Ω
150
200
250
Ω
4.14 NE threshold
Temperature stabilized 6, 7, 8 VTH
1.68
V
4.15 Output off current 1
ENABLE = Low
IOFF1
NE2 = NE3 = NE4 =
4.16 Output off current 2
High, IIR = 0 µA,
II2 = II3 = II4 = 500 µA
14
IOFF2
4.17 Output off current 3
NE2 = NE3 = NE4 =
Low, IIR = II2 = II3 =
II4= 0 µA
14
IOFF3
4.18
IOUT supply sensitivity,
read mode
IOUT = 40 mA,
VCC = 5V ±10%,
read only
14
VSER
–4
1
mA
1
mA
5
mA
–1
%/V
4.19
IOUT supply sensitivity,
write mode
IOUT = 80 mA, 40 mA
read + 40 mA write,
VCC = 5V ±10%
14
VSEW
–4
0.2
%/V
4.20 IOUT current output noise
IOUT = 40 mA,
ENOSC = Low
14
INOO
3
nA/
rt-Hz
4.21
IOUT temperature
sensitivity, read mode
IOUT = 40 mA, read only 14
TSER
–500
ppm/°C
4.22
IOUT temperature
sensitivity, write mode
IOUT = 80 mA, 40 mA
read + 40 mA Write
14
TSEW
–600
ppm/°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
IOUT at 20 mA, 40 mA, and 60 mA. IOUT = (IIN × GAIN) + IOS
Type*
A
A
A
C
A
A
A
A
A
A
A
C
A
B
A
A
A
A
A
C
C
C
6 T0820
4506G–DVD–11/05