ADA4961Data SheetTYPICAL PERFORMANCE CHARACTERISTICS1818161614141212101088dB)dB)N (6N (6AIAIG4G42200–2–2GAIN = 0dBTA = –40°C–4GAIN = 7dB–4TA = +25°CGAIN = 15dBT–6–6A = +85°C10M100M1G4G 004 10M100M1G4G 007 FREQUENCY (Hz) 12454- FREQUENCY (Hz) 12454- Figure 4. Gain vs. Frequency at 15 dB, 7 dB, and 0 dB Gain Settings, 5.0 V Figure 7. Maximum Gain vs. Frequency at Three Temperatures, 3.3 V, with Low-Pass Filter 1825GAIN = 0dB1624GAIN = 7dB2314GAIN = 15dB2212211020819dB)dBm) 18N (6B (AI17G4P1d O 165V, HIGH PERFORMANCE MODE2155V, LOW POWER MODE3V, LOW POWER MODE014 13–2GAIN = 0dB12–4GAIN = 7dB11GAIN = 15dB–61010M100M1G4G 005 0200 400 600 800 1000 1200 1400 1600 1800 2000 008 FREQUENCY (Hz) 12454- FREQUENCY (MHz) 12454- Figure 5. Gain vs. Frequency at 15 dB, 7 dB, and 0 dB Gain Settings, 3.3 V Figure 8. OP1dB vs. Frequency at15 dB, 7 dB, and 0 dB Gain Settings, 5.0 V, 3.3 V, with Low-Pass Filter 16.52516.0 15.5GAIN = 0dB2015.0 14.5)14.0E (dB 15dB)R13.5GAIN = 8dBN ( AI 13.0GE FIGU12.510OIS12.0NGAIN = 15dB11.5511.0TA = –40°C10.5TA = +25°CT10.0A = +85°C010M100M1G4G 006 0500100015002000 009 FREQUENCY (Hz)FREQUENCY (MHz) 12454- 12454- Figure 6. Maximum Gain vs. Frequency at Three Temperatures, 5.0 V, with Figure 9. Noise Figure vs. Frequency at 15 dB, 8 dB, and 0 dB Gain Settings, Low-Pass Filter 5.0 V, with Low-Pass Filter Rev. A | Page 8 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS NOISE/HARMONIC PERFORMANCE TIMING SPECIFICATIONS Timing Diagram ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS CHARACTERIZATION AND TEST CIRCUITS AC CHARACTERIZATION OUTPUT FILTER THEORY OF OPERATION DIGITAL INTERFACE OVERVIEW PARALLEL DIGITAL INTERFACE SERIAL PERIPHERAL INTERFACE (SPI) Fast Attack APPLICATIONS INFORMATION BASIC CONNECTIONS ADC DRIVING LOW-PASS ANTIALIAS FILTERING FOR THE ADC INTERFACE LAYOUT CONSIDERATIONS EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE