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CX74038-12 Datasheet(PDF) 8 Page - Skyworks Solutions Inc. |
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CX74038-12 Datasheet(HTML) 8 Page - Skyworks Solutions Inc. |
8 / 12 page DATA SHEET • CX74038 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 8 January 31, 2005 • Skyworks Proprietary and Confidential information • Products and product information are subject to change without notice • 101075I Table 4. Electrical Characteristics (VDD = 2.7 V, TA = 25 °C, unless otherwise noted) Parameter Symbol Test Conditions Minimum Typical Maximum Units Supply voltage RF/IF 2.6 2.7 3.6 V Supply current RF @2.5 GHz IF RF/IF @2.5 GHz-RF Standby 6.5 1.9 8.2 10 mA mA mA µA Operating input frequency RF (PS = 1) RF (PS = 0) IF (@ –40 °C to +85 °C) 0.1 0.1 1 2.6 1.4 800 GHz GHz MHz Reference input frequency 50 MHz Phase detector frequency RF (PS = 1) RF (PS = 0) IF (@ –40 °C to +85 °C) 9 15 2 MHz MHz MHz Prescaler input sensitivity RF IF (@ –40 °C to +85 °C) –15 –15 + 6 + 6 dBm dBm Prescaler input impedance RF @ 2.5 GHz IF @ 480 MHz 30 – j25 200 – j190 Ω Ω Reference oscillator sensitivity 0.3 VDD Vp-p In-band phase noise @ 10 kHz offset (Note 1) RF @ 2.5 GHz IF @ 480 MHz (@ –40 °C to +85 °C) –85 –82 dBc/Hz dBc/Hz Charge pump output current RF, VCP = VDD/2 IF, VCP = VDD/2 –15% –15% –15% –15% –15% –15% –15% –15% 120 240 360 480 0.4 0.8 1.2 1.6 +15% +15% +15% +15% +15% +15% +15% +15% µA µA µA µA mA mA mA mA Charge pump leakage current 0.5 < VCP < VDD – 0.5 0.3 < VCP < VDD – 0.3 0.2 0.5 nA nA Charge pump sink vs. source mismatch VCP = VDD/2 –10 +10 % Charge pump current vs. voltage/temperature 0.5 < VCP < VDD – 0.5 0.3 < VCP < VDD – 0.3 –5 –10 +8 +20 % % High level digital I/O voltage 0.7 VDD V Low level digital I/O voltage 0.3 VDD V Serial clock high time tCKH 20 ns Serial clock low time tCKL 20 ns Data set-up time to clock rising-edge tDSU 5 ns Data hold time to clock rising-edge tDHD 5 ns LE pulse width tLEW 20 ns Clock falling-edge to LE rising edge tCLE 5 ns LE falling-edge to clock rising-edge tLEC 5 ns Note 1: RF output frequency = 2.5 GHz, comparison frequency = 8 MHz, loop bandwidth = 35 kHz, and charge pump current = 480 mA. IF output frequency = 480 MHz, comparison frequency = 200 kHz, loop bandwidth = 10 kHz, and charge pump current = 1.6 mA. |
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