ATA06212AD1C
Absolute Maximum Ratings
VDD1
V
DD2
IIN
T
A
TS
7.0 V
7.0 V
5 mA
Operating Temp. -40 °C to 125 °C
Storage Temp. -65 °C to 150 °C
ATA06212AD1C Pad Description
PAD Description
Comment
VDD1 VDD1
VDD2 VDD2
Positive supply for input gain stage
Positive supply for second gain stage
IIN
VOUT
CAGC
C
BY
TIA Input Current
TIA Output Voltage
External AGC Capacitor
Input gain stage bypass capacitor
Connect to detector cathode for proper operation
Requires external DC block
70kW x (4.5pF+ CAGC) = AGC time constant
>56 pF
ATA06212AD1C Equivalent Ciruit
VDD
AGC
CAGC
IIN
GND
or
neg. supply
VOUT
GND
Photodetector cathode must be connected to
IIN for proper AGC operation
2