Data Sheets   Rev B, 04/2007 (pdf, 2049K) Email PDF      Lead(Pb) - Free Data (Data Sheet Help)     Application Notes pdf(450k) Evaluation Boards Price, Packaging, and Availability

	Product Description
	The AD8318 is a demodulating logarithmic amplifier, capable of accurately converting an RF input signal to a corresponding decibel-scaled output voltage. It employs the progressive compression...More

Specifications RF Frequency (MHz) 1 to 8000 Dynamic Range (dB) 70dB Temp Stability (dB) ±0.5dB Response Time (ns typ) 10ns Voltage Supply (V) 4.5 to 5.5 Supply Current (max) 68mA Power Consumption (mW) 340mW Package 16-Lead CSP Find Similar Products

Functional Block Diagram Enlarge Symbols and Footprints  Other Diagrams: Pin Out Diagram

Features Wide bandwidth: 1 MHz to 8 GHz High accuracy: ±1.0 dB over 55 dB range (f < 5.8 GHz) Stability over temperature: ±0.5 dB Low noise measurement/controller output (VOUT) Pulse response time: 10 ns/12 ns (fall/rise) Integrated temperature sensor Small footprint LFCSP Power-down feature: <1.5 mW at 5 V Single-supply operation: 5 V @ 68 mA Fabricated using high speed SiGe process

 

Design Tools dBm/dBu/dBv Calculator This calculator converts between standard units of power measurement and signal strength.

 

Price, Packaging, and Availability Print Table AD8318 Model Options Model Status Package Pins Temp Range Price* (1000 pcs.) Available RoHS Compliant Samples Cart Purchase Cart AD8318-EVALZ Prodn EVALUATION BOARDS - Ind $99.00 5/16/2008 Y Contact ADI Add to Cart AD8318ACPZ-R2 Prodn 16 ld LFCSP (4x4x.85mm, 2.10mm exposed pad) 16 Ind $4.99 - Y Material Declaration Contact ADI Add to Cart AD8318ACPZ-REEL7 Prodn 16 ld LFCSP (4x4x.85mm, 2.10mm exposed pad) 16 Ind $4.99 10/17/2008 Y Material Declaration Add to Cart Add to Cart AD8318ACPZ-WP Prodn 16 ld LFCSP (4x4x.85mm, 2.10mm exposed pad) 16 Ind $4.99 5/16/2008 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 AD5611: 2.7 V to 5.5 V, <100 μA, 10-Bit nanoDAC®, SPI Interface in SC70 Package 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.