AK2571 Datasheet, PDF (42/52 Pages) Asahi Kasei Microsystems – Single-Chip Automatic Power/Temperature Control for WDM Laser Diodes

AKM Confidential
AK2571
Electric Characteristics
(1) Absolute maximum rating
Parameter
Symbol Min
typ
max Unite Remarks
Voltage supply
VDD=all VDD
(AVDD, L1DD, L2VDD, L3VDD, TVDD, VDD
-0.3
-
6.5
V
DVDD)
Grand level
GND=all VSS
(AVSS, BVSS, LVSS, TVSS, DVSS, GND
0
-
0
V =all GND
DAVSS )
Input voltage（Beside VDDs）
VIN GND-0.3
-
VDD+0.3 V
Input current（Beside VDDs）
IIN
-10
-
10
mA
Storage temperature
Tstg
-55
-
130
°C
(2) Recommended operating conditions
All specifications are regulated under this condition
Parameter
Symbol Min
Typ
Voltage supply
VDD
3.1
3.3
Ambient Operating Temperature
Ta1
-20
-
Ta2
+5
-
Die surface temperature
Ta3
-20
-
*）Target temperature range for ATC. Not tested but design target value.
Max
3.5
+85
+50
+115
Unite Remarks
V 3.3V+/-6%
°C Package version
°C ATC Target
temperature *)
°C Die version
(3) Current consumption
Parameter
Symbol Min
Typ
Max Unite Remarks
Current consumption（all VDD pin） IDD
-
TBD
mA 1) 2)
*1) Exclude external load
*2) Setting code of I-DACx(x=1,2,3) is (00)、IDAC4 isｈ(000), all gain setting are default (Gain=”１”).
(4) EEPROM Characteristics
Parameter
min
max
Unite Condition
EEPROM Re-write
EEPROM data retention
10000
10
-
Times *1)
-
Year at 85°C
*1) means total re-write times tolerance: All memory cells are rewrite even though only one address is re-written. In that
sense average tolerance is 39 times ( Total address: 256 address =４wavelength x 64 Address and 10000/256=39 times).
(5) Digital Input / Output DC characteristics
Parameter
Symbol min
typ
max Unite Condition
High level input voltage
Low level input voltage
VIH 0.7VDD
-
-
V
VIL
-
-
0.3VDD V
High level output voltage
Low level output voltage
VOH 0.9VDD
-
VOL
-
-
-
V IOH= -0.2mA
0.4
V IOL= 0.2mA
<Rev. 0.6E Preliminary>
-42-
2001/11