AD9661AKR Analog Devices Inc, AD9661AKR Datasheet - Page 9

• Manufacturer Part Number: AD9661AKR
• Description: IC LASER DIODE DRIVER 28-SOIC
• Manufacturer: Analog Devices Inc
• Type: Laser Diode Driverr

Specifications of AD9661AKR

• Rohs Status: RoHS non-compliant
• Number Of Channels: 1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 75mA
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-SOIC (0.300", 7.50mm Width)
• Mounting Type: Surface Mount

REV. 0
• Choosing a hold caps based on this:
• The initial calibration time for < 0.1% error:
• Recalibration for a 0.1% error after 2% droop (need to
Typical Performance Characteristics
correct within 5%):
7
3 = 3 RC = 3
7 RC
C
HOLD
PULSE INPUT (TTL)
7 550
LASER POWER
LASER POWER
18 10
20mV/DIV
20mV/DIV
140
266.6 A
–9
0.034 F
0.5 ms
0.034 F = 14.28 s
Figure 7. Driving 78N20 Laser Diode @ 5 mW
0.034 F
130.9 s
–9–
• From the monitor current specification and the max power
and
• C
20ns/DIV
specified:
compensation.
1ns/DIV
GAIN
would be chosen from the table as 3 pF for safe
I
R
MONITOR MAX
GAIN
I
MONITOR MAX
1.6 V
4 mW
0.2 mA
– 50
mW
AD9661A
800 A
2.0 k