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PDF HMC799LP3E Data sheet ( Hoja de datos )
| Número de pieza | HMC799LP3E | |
| Descripción | TRANSIMPEDANCE AMPLIFIER | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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HMC799LP3E
v01.1009
DC - 700 MHz, 10 kOhm
TRANSIMPEDANCE AMPLIFIER
11
11 - 1
Typical Applications
Features
The HMC799LP3E is ideal for:
• Laser Sensor
• FDDI Receiver
• CATV FM Analog Receiver
• Wideband Gain Block
• Low Noise RF Applications
10 kOhm Transimpedance
Very Low Noise: 150nA Input RMS Noise
over 700 MHz Bandwidth
700 MHz Analog Bandwidth
Wide Dynamic Range: +65 dB
Low Power: 70mA from Single +5V Supply
16 Lead 3x3 mm SMT Package: 9mm²
Functional Diagram
General Description
The HMC799LP3E is DC to 700 MHz Transimpe-
dance amplifier designed for opto-electronic laser
sensor applications, FDDI receivers and receiver
systems employing optical to electrical conversion.
This amplifier provides a single-ended output voltage
that is proportional to an applied current at its input
port. This current is typically provided by a photo-
diode. Operating from a single +5V supply,
HMC799LP3E features very low input referred noise,
and very large electrical input dynamic range exce-
eding 65 dB. 10 kOhm or 80 dB-Ohms transimpedance
gain provides very good sensitivity at higher data rates.
The output of HMC799LP3E is internally matched to
50 ohms. External matching is not necessary. The
HMC799LP3E exhibits excellent gain and output
power stability over temperature, while requiring a
minimal number of external bias components.
Electrical Specifications, TA = +25° C, Vcc1 = Vcc2 = Vcc3 = +5V
Parameter
Conditions
Min.
Typ.
Max.
Units
DC Specifications
Power Supply Voltage
4.5 5
5.5 V
Power Supply Current
Vcc = 5V
60 70
80 mA
Input Impedance
@ 350 MHz
175 Ohm
Input Bias Voltage
2.1 V
AC Specifications
Transimpedance
@ 100 MHz, RL = 50 Ohm
7.5
10
12.5 k Ohms
Transimpedance 3-dB Bandwidth
600 700
MHz
Small Signal Gain
Input Referred Current Noise Density
S21
Cpd [1] <1pF, @ 200 MHz
Cpd [1] = 1pF, @ 200 MHz
Cpd [1] = 2pF, @ 200 MHz
Cpd [1] = 3pF, @ 200 MHz
42 dB
4.6 pA / √Hz
4.8 pA / √Hz
5.2 pA / √Hz
5.6 pA / √Hz
[1] Cpd is the total parasitic capacitance value arises from addition of input photo diode. This value includes photo diode parasitic capacitance,
PCB trace capacitance and package parasitic capacitance.
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1 page  
Output Signal [1]
v01.1009
HMC799LP3E
DC - 700 MHz, 10 kOhm
TRANSIMPEDANCE AMPLIFIER
Measurements
Current Mean std dev Min.
V amptd 198.84 200.50 3.6253 184.99
Frequency 200.8 199.9 0.631 198.0
Duty Cycle 50.9 49.7 0.62 47.6
[1] Input signal current 25 µAp-p, frequency 200 MHz
Max Units
212.70 mV
202.1 MHz
51.6 %
Output Signal [2]
Measurements
Current Mean std dev Min.
V amptd 959.62 960.47 3.703 953.11
Frequency 200.1 200.0
0.117 199.5
Duty Cycle
49.1
49 0.08 48.7
[2] Input signal current 20 mAp-p, frequency 200 MHz
Max Units
972.63 mV
200.4 MHz
49.2 %
11
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11 - 4
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