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HMC799LP3E
v00.0909
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 700 MHz Analog Bandwidth
12
TRANSIMPEDANCE AMPLIFIERS - SMT
* FDDI Receiver * 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
Functional Diagram
General Description
The HMC799LP3E is DC to 700 MHz Transimpedance 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 photodiode. Operating from a single +5V supply, HMC799LP3E features very low input referred noise, and very large electrical input dynamic range exceeding 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 Specifi cations, TA = +25 C, Vcc1 = Vcc2 = Vcc3 = +5V
Parameter DC Specifications Power Supply Voltage Power Supply Current Input Impedance Input Bias Voltage AC Specifications Transimpedance Transimpedance 3-dB Bandwidth Small Signal Gain Cpd Input Referred Current Noise Density
[1]
Conditions
Min.
Typ.
Max.
Units
4.5 Vcc = 5V @ 350 MHz 60
5 70 175 2.1
5.5 80
V mA Ohm V
@ 100 MHz, RL = 50 Ohm
7.5 600
10 700 42 4.6 4.8 5.2 5.6
12.5
k Ohms MHz dB pA / Hz pA / Hz pA / Hz pA / Hz
S21 <1pF, @ 200 MHz
Cpd [1] = 1pF, @ 200 MHz Cpd [1] = 2pF, @ 200 MHz Cpd [1] = 3pF, @ 200 MHz
[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.
12 - 2
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC799LP3E
v00.0909
DC - 700 MHz, 10 kOhm TRANSIMPEDANCE AMPLIFIER
Electrical Specifi cations (Conditions)
Parameter Conditions Cpd [1] <1pF, @ 700 MHz BW Cpd [1] = 1pF, @630 MHz BW Input Referred RMS Current Noise Cpd [1] = 2pF, @ 560 MHz BW Cpd [1] = 3pF, @ 420 MHz BW Saturated Output Swing Output Power 1-dB Compression Output Third Order Intercept Point Input Overdrive Current Output Return Loss @ 500 MHz 16 Vin = 50mV p-p OP1dB @ 200 MHz OIP3 @ 200 MHz Min. Typ. 149 164 174 132 1 4 13 20 20 Max. Units nA RMS nA RMS nA RMS nA RMS Vp-p dBm dBm mA dB
12
TRANSIMPEDANCE AMPLIFIERS - SMT
12 - 3
Gain vs. Temperature
50
Output Return Loss vs. Temperature
0
+25C +85C -40C
40 RETURN LOSS (dB) GAIN (dB)
-10
30
+25C +85C -40C
-20
20
-30
10
-40
0 0 100 200 300 400 500 600 FREQUENCY (MHz) 700 800
-50 0 100 200 300 400 500 600 700 800 FREQUENCY (MHz)
Input Referred Noise Density vs. CPD [1]
INPUT REFERRED NOISE DENSITY (pA/Hz) 20
C =0pF pd C =1pF pd C =2pF pd C =3pF
pd
Input Referred Noise Density vs. Temperature [2]
INPUT REFERRED NOISE DENSITY (pA/Hz) 20
15
15
+25C +85C -40C
10
10
5
5
0 0 100 200 300 400 500 600 FREQUENCY (MHz) 700 800
0 0 100 200 300 400 500 600 700 800 FREQUENCY (MHz)
[1] Cpd is the total parasitic capacitance value resulting from the addition of the input photo diode. This value includes photo diode parasitic capacitance, PCB trace capacitance and package parasitic capacitance. [2] Cpd = 1 pF
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC799LP3E
v00.0909
DC - 700 MHz, 10 kOhm TRANSIMPEDANCE AMPLIFIER
Transimpedance vs. CPD
20 TRANSIMPEDANCE (kOhm) TRANSIMPEDANCE (kOhm)
C =0pF
pd pd pd pd
[1]
Transimpedance vs. Supply Voltage (Vcc) [2]
20
C =1pF
12
TRANSIMPEDANCE AMPLIFIERS - SMT
15
C =2pF C =3pF
15
Vcc=4.5V Vcc=5.0V Vcc=5.5V
10
10
5
5
0 0 100 200 300 400 500 600 700 800 FREQUENCY (MHz)
0 0 100 200 300 400 500 600 700 800 FREQUENCY (MHz)
Transimpedance vs. Temperature
20 TRANSIMPEDANCE (kOhm)
[2]
Output Power vs. Input Power @ 200 MHz [2]
10
15
OUTPUT POWER (dBm)
5
10
0
5
+25C +85C -40C
-5
0 0 100 200 300 400 500 600 700 800 FREQUENCY (MHz)
-10 -50
-40
-30
-20
-10
0
10
INPUT POWER (dBm)
[1] Cpd is the total parasitic capacitance value resulting from the addition of the input photo diode. This value includes photo diode parasitic capacitance, PCB trace capacitance and package parasitic capacitance. [2] Cpd = 1 pF
12 - 4
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC799LP3E
v00.0909
DC - 700 MHz, 10 kOhm TRANSIMPEDANCE AMPLIFIER
Output Signal [1]
Measurements Current V amptd Frequency Duty Cycle 198.84 200.8 50.9 Mean 200.50 199.9 49.7 std dev 3.6253 0.631 0.62 Min. 184.99 198.0 47.6 Max 212.70 Units mV
202.1 MHz 51.6 %
12
TRANSIMPEDANCE AMPLIFIERS - SMT
12 - 5
[1] Input signal current 25 mAp-p, frequency 200 MHz
Output Signal [2]
Measurements Current V amptd Frequency Duty Cycle 959.62 200.1 49.1 Mean 960.47 200.0 49 std dev 3.703 0.117 0.08 Min. 953.11 199.5 48.7 Max 972.63 Units mV
200.4 MHz 49.2 %
[2] Input signal current 25 mAp-p, frequency 200 MHz
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC799LP3E
v00.0909
DC - 700 MHz, 10 kOhm TRANSIMPEDANCE AMPLIFIER
Absolute Maximum Ratings
Power Supply Voltage (Vcc1, Vcc2, Vcc3) Input Current -1V to 8V 30 mAp-p 125 C 1.27W 31.43 C/W -65 to 125 C -40 to +85 C
12
TRANSIMPEDANCE AMPLIFIERS - SMT
Junction Temperature Continuous Pdiss (T=85 C) (derate 31.82 mW/ C Above +85 C Thermal Resistance (Junction to ground paddle) Storage Temperature Operating Temperature
Outline Drawing
NOTES: 1. LEADFRAME MATERIAL: COPPER ALLOY 2. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 3. LEAD SPACING TOLERANCE IS NON-CUMULATIVE 4. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM. PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM. 5. PACKAGE WARP SHALL NOT EXCEED 0.05mm. 6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 7. REFER TO HMC APPLICATION NOTE FOR SUGGESTED PCB LAND PATTERN.
Package Information
Part Number HMC799LP3E Package Body Material RoHS-compliant Low Stress Injection Molded Plastic Lead Finish 100% matte Sn MSL Rating MSL1
[2]
Package Marking [1] H799 XXXX
[1] 4-Digit lot number XXXX [2] Max peak reflow temperature of 260 C
12 - 6
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC799LP3E
v00.0909
DC - 700 MHz, 10 kOhm TRANSIMPEDANCE AMPLIFIER
Pin Descriptions
Pin Number 1, 12, 14 Function VCC1, VCC2, VCC3 Description Positive Supply Interface Schematic
12
2 CFILT Overload current filter capacitance pin.
3
RFIN
RF Input
4
CEXT
Reference voltage filter capacitance pin.
5 - 9, 11, 13, 15, 16
N/C
Not connected.
10
RFOUT
RF Output
Package Base
GND
Package base has exposed metal ground paddle which must be connected to ground.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
12 - 7
TRANSIMPEDANCE AMPLIFIERS - SMT
HMC799LP3E
v00.0909
DC - 700 MHz, 10 kOhm TRANSIMPEDANCE AMPLIFIER
Application Circuit
12
TRANSIMPEDANCE AMPLIFIERS - SMT
Note: For power supply rejection ratio (PSRR) tests, install 0 Ohm for R1.
12 - 8
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC799LP3E
v00.0909
DC - 700 MHz, 10 kOhm TRANSIMPEDANCE AMPLIFIER
Evaluation PCB
12
TRANSIMPEDANCE AMPLIFIERS - SMT
12 - 9
List of Materials for Evaluation PCB 124022 [1]
Item J1 - J2 J3, J5 C1 - C3 C4, C12 C6, C8, C10 C7, C9, C11 U1 PCB [2] Description PCB Mount SMA Connector DC Pin 22 nF Capacitor, 0402 Pkg. 10 F Capacitor, 0805 Pkg. 4.7 F Capacitor, 0805 Pkg. 0.1 F Capacitor, 0603 Pkg. HMC799LP3E Transimpedance Amplifier 124020 Evaluation PCB
The circuit board used in the final application should use RF circuit design techniques. Signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. A sufficient number of via holes should be used to connect the top and bottom ground planes. The evaluation circuit board shown is available from Hittite upon request.
[1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Arlon 25FR or Rogers 4350
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com

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