Datasheet AD8362 (Analog Devices) - 6

Data Sheet AD8362 Parameter Test Conditions/Comments Min Typ Max Unit
RMS TARGET INTERFACE Pin VTGT Nominal Input Voltage Range Measurement range = 60 dB, to ±1 dB error 0.625 2.5 V Input Bias Current VTGT = 1.25 V −28 μA VTGT = 0 V −52 μA Incremental Input Resistance 52 kΩ POWER-DOWN INTERFACE Pin PWDN Logic Level to Enable Logic low enables 1 V Logic Level to Disable Logic high disables 3 V Input Current Logic high 230 μA Logic low 5 μA Enable Time From PWDN low to VOUT within 10% of final value, CLPF = 1000 pF 14.5 ns Disable Time From PWDN high to VOUT within 10% of final value, CLPF = 1000 pF 2.5 μs POWER SUPPLY INTERFACE Pin VPOS Supply Voltage 4.5 5 5.5 V Quiescent Current 20 22 mA Supply Current When disabled 0.2 mA 900 MHz Dynamic Range Error referred to best-fit line (linear regression) ±1.0 dB linearity, CW input 65 dB ±0.5 dB linearity, CW input 62 dB Deviation vs. Temperature Deviation from output at 25°C −40°C < TA < +85°C, PIN = −45 dBm −1.7 dB −40°C < TA < +85°C, PIN = −20 dBm −1.4 dB −40°C < TA < +85°C, PIN = +5 dBm −1.0 dB Logarithmic Slope 46 50 54 mV/dB Logarithmic Intercept −64 −60 −56 dBm Deviation from CW Response 5.5 dB peak-to-rms ratio (IS95 reverse link) 0.2 dB 12.0 dB peak-to-rms ratio (W-CDMA 4 channels) 0.2 dB 18.0 dB peak-to-rms ratio (W-CDMA 15 channels) 0.5 dB 1.9 GHz Dynamic Range Error referred to best-fit line (linear regression) ±1 dB linearity, CW input 65 dB ±0.5 dB linearity, CW input 62 dB Deviation vs. Temperature Deviation from output at 25°C −40°C < TA < +85°C, PIN = −45 dBm −0.6 dB −40°C < TA < +85°C, PIN = −20 dBm −0.5 dB −40°C < TA < +85°C, PIN = +5 dBm −0.3 dB Logarithmic Slope 51 mV/dB Logarithmic Intercept −59 dBm Deviation from CW Response 5.5 dB peak-to-rms ratio (IS95 reverse link) 0.2 dB 12.0 dB peak-to-rms ratio (W-CDMA 4 channels) 0.2 dB 18.0 dB peak-to-rms ratio (W-CDMA 15 channels) 0.5 dB 2.2 GHz Dynamic Range Error referred to best-fit line (linear regression) ±1.0 dB linearity, CW input 65 dB ±0.5 dB linearity, CW input 65 dB Deviation vs. Temperature Deviation from output at 25°C −40°C < TA < +85°C, PIN = −45 dBm −1.8 dB −40°C < TA < +85°C, PIN = −20 dBm −1.6 dB −40°C < TA < +85°C, PIN = +5 dBm −1.3 dB Logarithmic Slope 50.5 mV/dB Logarithmic Intercept −61 dBm Deviation from CW Response 5.5 dB peak-to-rms ratio (IS95 reverse link) 0.2 dB 12.0 dB peak-to-rms ratio (W-CDMA 4 channels) 0.2 dB 18.0 dB peak-to-rms ratio (W-CDMA 15 channels) 0.5 dB Rev. F | Page 5 of 33 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS EQUIVALENT CIRCUITS TYPICAL PERFORMANCE CHARACTERISTICS CHARACTERIZATION SETUP EQUIPMENT ANALYSIS CIRCUIT DESCRIPTION SQUARE LAW DETECTION VOLTAGE vs. POWER CALIBRATION OFFSET ELIMINATION TIME-DOMAIN RESPONSE OF THE CLOSED LOOP OPERATION IN RF MEASUREMENT MODE BASIC CONNECTIONS DEVICE DISABLE RECOMMENDED INPUT COUPLING Choosing Input Coupling Capacitors Single-Ended Input Drive OPERATION AT LOW FREQUENCIES CHOOSING A VALUE FOR CHPF CHOOSING A VALUE FOR CLPF ADJUSTING VTGT TO ACCOMMODATE SIGNALS WITH VERY HIGH CREST FACTORS ALTERING THE SLOPE TEMPERATURE COMPENSATION AND REDUCTION OF TRANSFER FUNCTION RIPPLE TEMPERATURE COMPENSATION AT VARIOUS WiMAX FREQUENCIES UP TO 3.8 GHz OPERATION IN CONTROLLER MODE RMS VOLTMETER WITH 90 dB DYNAMIC RANGE AD8362 EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE