HMC799LP3E
v01.1009
DC - 700 MHz, 10 kOhm
TRANSIMPEDANCE AMPLIFIER
Typical Applications
The HMC799LP3E is ideal for:
• Laser Sensor
Features
10 kOhm Transimpedance
Very Low Noise: 150nA Input RMS Noise
over 700 MHz Bandwidth
• FDDI Receiver
700 MHz Analog Bandwidth
• CATV FM Analog Receiver
• Wideband Gain Block
• Low Noise RF Applications
Wide Dynamic Range: +65 dB
Low Power: 70mA from Single +5V Supply
16 Lead 3x3 mm SMT Package: 9mm²
General Description
Functional Diagram
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.
11
Electrical Specifications, TA = +25° C, Vcc1 = Vcc2 = Vcc3 = +5V
Parameter
Conditions
Min.
Typ.
Max.
Units
DC Specifications
Power Supply Voltage
Power Supply Current
Input Impedance
4.5
60
5
5.5
80
V
mA
Ohm
V
Vcc = 5V
70
@ 350 MHz
175
2.1
Input Bias Voltage
AC Specifications
Transimpedance
@ 100 MHz, RL = 50 Ohm
7.5
10
700
42
12.5
k Ohms
MHz
Transimpedance 3-dB Bandwidth
Small Signal Gain
600
S21
dB
Cpd [1] <1pF, @ 200 MHz
Cpd [1] = 1pF, @ 200 MHz
Cpd [1] = 2pF, @ 200 MHz
Cpd [1] = 3pF, @ 200 MHz
4.6
4.8
5.2
5.6
pA / √Hz
pA / √Hz
pA / √Hz
pA / √Hz
Input Referred Current Noise Density
[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.
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery, and to place orders: Analog Devices, Inc.,
resFpoonsribpilirtyiciseas,sdumeeldivbey ArynalaognDdevticoespfolraitcs euseo, nrodreforrsan:yHinfirtintigteemeMntsicofrpoawtenatsvoer oCtheor rporation, 20 Alpha Road, Chelmsford, MA 01824
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implicPahtioon noreo:th9er7w8ise-2un5d0er-a3n3y p4a3tent orFpaatexn:t r9ig7ht8s -o2f A5n0alo-g3D3e7vi3ces. Order On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
11 - 1
Application Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks are the property of their respective owners.
Application Support: Phone: 978-250-3343 or apps@hittite.com
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