ATA01501D1C/ATA01501S2C
Absolute Maximum Ratings
VDD1
VDD2
7.0 V
7.0 V
I
5 mA
IN
TA
TS
Operating Temp. - 40 C to 125 C
Storage Temp. - 65 C to 150
C
Pad Description
PAD
VDD1
VDD2
Description
VDD1
Comment
Positive supply for input gain stage
Positive supply for second gain stage
Connect detector cathode for proper operation
Requires external DC block
VDD2
I
TIA Input Current
TIA Output Voltage
External AGC Capacitor
Input gain stage bypass capacitor
IN
VOUT
CAGC
CBY
70K * CAGC= AGC time constant
>56 pF
Equivalent Circuit
DD1
V
DD2
V
AGC
19 K
70K
CAGC
+
4pF
IN
I
+ 0.8
- 45
OUT
V
VGA
GND
or
neg.supply
GND
US PATENT
CBY
Photodector cathode must be connected
to Iin for proper AGC operation
2