lt5515euf-trpbf Linear Technology Corporation, lt5515euf-trpbf Datasheet
lt5515euf-trpbf
Related parts for lt5515euf-trpbf
lt5515euf-trpbf Summary of contents
Page 1
... IF filtering. Channel filtering can be performed directly at the outputs of the I and Q channels. These outputs can interface directly to channel- select filters (LPFs baseband amplifier. LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners ...
Page 2
... Consult LTC Marketing for parts specified with wider operating temperature ranges 25° 5V CONDITIONS Voltage Gain, Load Impedance = 1k 2-Tone, –10dBm/Tone, ∆f = 200kHz 2-Tone, –10dBm/Tone, ∆f = 200kHz (Note 4) (Note 4) Differential U W TOP VIEW ORDER PART NUMBER LT5515EUF – PART ...
Page 3
DC ELECTRICAL CHARACTERISTICS PARAMETER Supply Voltage Supply Current Shutdown Current Turn-On Time Turn-Off Time EN = High (On Low (Off) EN Input Current Output DC Offset Voltage + – + – ⏐ ⏐ ⏐ ⏐ – ...
Page 4
LT5515 W U TYPICAL PERFOR A CE CHARACTERISTICS (Test circuit optimized for 1.9GHz operation as shown in Figure 2) Supply Current vs Supply Voltage 170 150 T = 85°C A 130 T = 25°C A 110 T = – 40°C ...
Page 5
W U TYPICAL PERFOR A CE CHARACTERISTICS (Test circuit optimized for 1.9GHz operation as shown in Figure 2) IIP2 vs LO Input Power 1901MHz – 40°C A ...
Page 6
LT5515 CTIO S GND (Pins 1, 4): Ground Pin. + – (Pins 2, 3): Differential RF Input Pins. These pins are internally biased to 1.54V. They must be driven with a differential ...
Page 7
TEST CIRCUITS I OUT I OUT T1 LDB311G9020C-452 10nH 3 4 C17 C1 100pF 100pF Figure 2. Evaluation Circuit Schematic for 1900MHz PCS/UMTS Application Figure 3. Topside of Evaluation Board J3 J5 – C18 ...
Page 8
LT5515 U U APPLICATIO S I FOR ATIO The LT5515 is a direct I/Q demodulator targeting high linearity receiver applications, including wireless infra- structure. It consists amplifier, I/Q mixers, a quadrature LO carrier generator and bias circuitry. ...
Page 9
U U APPLICATIO S I FOR ATIO Table 2 shows the differential input impedance of the LO input port. Table 2. LO Input Differential Impedance FREQUENCY DIFFERENTIAL INPUT (GHz) IMPEDANCE (Ω) 1.5 69.3-j59.4 1.6 64.3-j56.4 1.7 60.0-j52.7 1.8 56.4-j48.9 1.9 ...
Page 10
LT5515 U U APPLICATIO S I FOR ATIO LDB311G9010C-440 12nH 3 4 – 1nF NOTE: NO CONNECTION REQUIRED ACCORDING TO BALUN ...
Page 11
... SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights Package 16-Lead Plastic QFN (4mm × ...
Page 12
... Dynamic Range, Temperature Compensated, 2. Supply SC70 Package 36dB Dynamic Range, SC70 Package RF Output to 3GHz, 17dBm IIP3, Integrated LO Buffer DC-3GHz, 20dBm IIP3, Integrated LO Buffer 21.5dBm IIP3, Integrated LO Quadrature Generator www.linear.com ● 5515fa LT 0406 REV A • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2003 ...