Data Sheets   Rev B, 08/1999 (pdf, 319K) Email PDF      Lead(Pb) - Free Data (Data Sheet Help)     Application Notes Evaluation Boards pdf(202k) Price, Packaging, and Availability

	Product Description
	The AD8309 is a 500 MHz detecting logarithmic amplifier, based on the successive detection technique. This "log amp" is useful for received signal strength indication (RSSI) and phase detection...More

Specifications RF Frequency (MHz) 5 to 500 Dynamic Range (dB) 100dB Temp Stability (dB) ±1dB Phase Accuracy (deg) ±3Deg Response Time (ns typ) 67ns Voltage Supply (V) 2.7 to 5.5 Supply Current (max) 16mA Limiter Output Yes AC Linearity (± dB) 1dB Power Consumption (mW) 80mW Package 16-Lead TSSOP Find Similar Products

Functional Block Diagram Symbols and Footprints

Features Complete Multistage Log-Limiting IF Amplifier 100 dB Dynamic Range: –78 dBm to +22 dBm (Re 50 O) Programmable Limiter Gain and Output Current Differential Outputs to 10 mA, 2.4 V p-p Overall Gain 100 dB, Bandwidth 500 MHz Constant Phase (Typical 680 ps Delay Skew) 500 ns Power-Up Time, <1 mA Sleep Current Stable RSSI Scaling Over Temperature and Supplies: 20 mV/dB Slope, –95 dBm Intercept ±0.4 dB RSSI Linearity up to 200 MHz Single Supply of +2.7 V to +6.5 V at 16 mA Typical Fully Differential Inputs, RIN = 1kΩ, CIN = 2.5 pF

 

Design Tools Impedance Matching Tutorial This tutorial examines the Smith Chart and its application to transmission line impedance matching. dBm/dBu/dBv Calculator This calculator converts between standard units of power measurement and signal strength.

 

Price, Packaging, and Availability Print Table AD8309 Model Options Model Status Package Pins Temp Range Price* (100-499) Available RoHS Compliant Samples Cart Purchase Cart AD8309-EVALZ Prodn EVALUATION BOARDS - Comm $99.00 5/23/2008 Y Contact ADI Add to Cart AD8309ARU Prodn 16 ld TSSOP 16 Ind $10.73 5/23/2008 N Material Declaration Contact ADI Add to Cart AD8309ARU-REEL7 Prodn 16 ld TSSOP 16 Ind - 5/23/2008 N Material Declaration Contact ADI Add to Cart AD8309ARUZ Prodn 16 ld TSSOP 16 Ind $9.75 5/23/2008 Y Material Declaration Add to Cart Add to Cart AD8309ARUZ-REEL7 Prodn 16 ld TSSOP 16 Ind - 5/30/2008 Y Material Declaration Contact ADI Add to Cart The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing. View Sales and Distribution Offices

 

Suggested Complementary Products AD8031: 2.7 V, 800 µA, 80 Mhz Rail-to-Rail I/O Single Amplifier Signal Chains Visit our interactive signal chains for more complementary products

 

Find Similar Products     Part# RF Frequency (MHz) Dynamic Range (dB) Temp Stability (dB) Response Time (ns typ) Voltage Supply (V) Supply Current (max) Package Price* (1000 pcs.) AD8312 50 to 3500 45 ±0.5 70 2.7 to 5.5 4.2 WLCSP $1.25 AD606 - 80 - 400 4.5 to 5.5 13 16-Lead DIP; 16-Lead SOIC $21.74 AD8313 100 to 2500 70 ±1.25 40 2.7 to 5.5 14 8-Lead uSOIC $7.90 AD641 - 44 ±1 10 +/- 4.5 to +/- 7.5 44 20-Lead DIP; 20-Lead LCC; 20-Lead PLCC $32.43 AD8314 100 to 2700 45 ±1 70 2.7 to 5.5 4.5 8-Lead uSOIC/CSP $1.09 AD8306 5 to 400 100 ±1 73 2.7 to 5.5 16 16-Lead SOP $14.50 AD8315 100 to 2500 50 ±1 150 2.7 to 5.5 8.5 8-Lead uSOIC $3.95 AD8309 5 to 500 100 ±1 67 2.7 to 5.5 16 16-Lead TSSOP $7.75 AD8316 100 to 2500 49 ±1 50 2.7 to 5.5 8.5 16-Lead CSP $100.00 AD8311 100 to 2500 50 ±0.5 150 2.7 to 5.5 8.5 WLCSP $1.25 AD8302 2,700 60 ±1 60 2.7 to 5.5 19 14-Lead TSSOP $12.00 AD8307 dc to 500 92 ±1 400 2.7 to 5.5 8 8-Lead SOIC/DIP $6.00 AD8310 dc to 440 100 ±1 15 2.7 to 5.5 8 8-Lead SOIC $3.95 AD640 - 50 ±1 10 +/- 4.5 to +/- 7.5 44 20-Lead DIP; 20-Lead LCC; 20-Lead PLCC $36.05 AD8317 1 to 10000 55 ±0.5 6 3 to 5.5 20 8-Lead CSP $3.93 AD8318 1 to 8000 70 ±0.5 10 4.5 to 5.5 68 16-Lead CSP $4.99 AD8319 1 to 10000 45 ±0.5 6 3 to 5.5 22 8-Lead CSP $1.75 ADL5519 1 kHz to 10000 62 ±0.5 6 3 to 5.5 56 32-Lead LFCSP $4.98 * The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing. ** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.