Features: • 0.25 um pHEMT Technology• Frequency Range; 30 KHz to > 11GHz• 1000 W Differential Transimpedance• Average Input Eq. Noise: 9 pA / Ö Hz• Single Supply Operation: +5V @ 45 mA• Chip Size: 1.1 x 0.91 mmApplication• OC192/STM-64 Fiber-Optic ...
TGA4805-EPU: Features: • 0.25 um pHEMT Technology• Frequency Range; 30 KHz to > 11GHz• 1000 W Differential Transimpedance• Average Input Eq. Noise: 9 pA / Ö Hz• Single Suppl...
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Symbol |
Parameter 1/ |
Value |
Notes |
V+ |
Positive Supply Voltage |
+6.0V |
|
I+ |
Positive Supply Current |
60 mA |
2/ |
PD |
Power Dissipation |
360 mW |
|
PIN |
Input Continuous Wave Power |
+15 dBm |
|
TCH |
Operating Channel Temperature |
150 |
3/, 4/ |
TM |
Mounting Temperature (30 seconds) |
320 |
|
TSTG |
Storage Temperature |
-65 to 150 |
1/ These values represent the maximum operable values of this device
2/ Total current for the entire MMIC
3/ These ratings apply to each individual FET
4/ Junction operating temperature will directly affect the device mean time to failure (MTTF). For maximum life it is recommended that junction temperatures be maintained at the lowest possible levels.
The TriQuint TGA4805-EPU is a wideband transimpedance amplifier with differential outputs that provides 500 Ohm single-ended transimpedance into a 50 Ohm termination (1000 Ohm differential into a 100 Ohm termination).
Typical output return loss is > 15 dB and the average equivalent input noise current is 9 pA/ Ö Hz (1 GHz to 10 GHz). Typical 3dB BW is 30 KHz to 11GHz with 0.2 pF of photodiode capacitance.
The TGA4805 operates from a single +5V supply typically dissipating 225mW of DC power. The device is backside grounded with vias and requires no grounding bond wires.
The TGA4805 requires off-chip decoupling and the RF ports are DC coupled. Each device is 100% RF tested on-wafer to ensure performance compliance. The device is available in die form.