TRANSIMPEDANCE AMPLIFIER. ATA01501S2C Datasheet

ATA01501S2C Datasheet PDF, Equivalent


Part Number

ATA01501S2C

Description

AGC TRANSIMPEDANCE AMPLIFIER

Manufacture

ANADIGICS Inc

Total Page 4 Pages
PDF Download
Download ATA01501S2C Datasheet PDF


ATA01501S2C Datasheet
FEATURES
· Single +5 Volt Supply
· Automatic Gain Control
· Excellent Sensitivity
· 0 dBm Optical Overload
ATA01501D1C
ATA01501S2C
AGC Transimpedance Amplifier
SONET OC-3
Preliminary Data Sheet - Rev 5
VDD2
VDD1
GND
19F GND
IIN 1992
GND
VOUT
GND GND GND CBY CBY GND CAGC GND
APPLICATIONS
· SONET OC-3 Receiver
· FDDIk Ethernet Fiber LAN
· Low Noise RF Amplifier
S2
D1 12 Pin 4 Sided
SQFP Package
Electrical Characteristics (1) (TA= 25°C, VDD=+5.0V + 10%, CDIODE+CSTRAY = 0.5 pF, Det. Cathode to IIN)
PARAMETER
Transresistance (RL= ¥,Idc<500nA)
Transresistance (RL=50 W) (1)
Bandwidth -3dB (D1C)
Bandwidth -3dB (S2C)
Input Resistance (2)
Output Resistance
Supply Current
Input Offset Voltage
Output Offset Voltage
AGC Threshold (IIN) (3)
Optical Overload (4)
Input Noise Current (5)
AGC Time Constant (6)
Offset Voltage Drift
Optical Sensitivity -(D1C) (7)
MIN TYP MAX
UNIT 1. f = 50 MHz
17
5.5 8
10
KW 2. Measured with IIN below
AGC Threshold. During
KW AGC, input impedance will
150 175
130 75
500
MHz decrease proportionally to IIN
MHz 3. Defined as the IIN where
Transresistance has
W decreased by 50%.
30 50 60
W 4. See note on “Indirect
30 45
mA
Measurement of Optical
Overload”.
1.4 1.6 1.9 Volts 5. See note on “Measurement
1.8
Volts
of Input Referred Noise
15 30
-3 0
mA
dBm
Current”.
6. CAGC = 220 pF
7. Parameter is guaranteed
14 20
nA
16 msec
(not tested) by design
and characterization
data @155Mb assuming
1
mV/ ºC
detector responsivity of 0.9
-38 dBm
Optical Sensitivity - (S2C) (7)
-37 dBm
Operating Voltage Range
+ 4.5 + 5.0 + 6.0
Volts
Operating Temperature Range
- 40
85 ºC

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


Features Datasheet pdf AGC Transimpedance Amplifier SONET OC-3 FEATURES · · · · Single +5 Volt Sup ply Automatic Gain Control Excellent Se nsitivity 0 dBm Optical Overload VDD1 ATA01501D1C ATA01501S2C Preliminary Da ta Sheet - Rev 5 VDD2 GND GND 1992 19 F IIN GND GND GND GND CBY CBY GND C AGC VOUT GND APPLICATIONS · · · SONET OC-3 Receiver FDDIk Ethernet Fiber LAN Low Noise RF Amplifier D1 S2 12 Pin 4 Sided SQFP Package Electrical Charac teristics (1) (TA= 25°C, VDD=+5.0V + 1 0%, CDIODE+CSTRAY = 0.5 pF, Det. Cathod e to IIN) PAR AMETER Transresi stance ( RL= ¥ ,Idc<500nA) Transresi stance (RL =50 W) (1) Bandwi dth -3dB (D 1C ) Band wi dth -3dB (S2C ) Input Resi stance (2 ) Output Resi stance Supply C urrent In put Offset Voltage Output Offset Voltag e AGC Threshold (IIN) (3) Opti cal Over load (4) MIN 5.5 150 130 30 1.4 15 -3 (6) TYP 17 8 175 75 500 50 30 1.6 1.8 30 0 14 16 1 -38 -37 MAX 10 U N IT KW KW MHz MHz W 1. 2. 3. 4. 5. 6. 7. 6 0 45 1.9 W mA Volts Volts mA dB m 20 nA m se c Input Noi se C urrent.
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