Data Sheets   Rev A, 02/2001 (pdf, 148K) Email PDF      Lead(Pb) - Free Data (Data Sheet Help)     Application Notes Evaluation Boards Price, Packaging, and Availability

	Product Description
	The AD7740 is the world's smallest, lowest-cost, 12-Bit accurate VFC. Since this is a synchronous converter, the output frequency is related to the fixed master clock frequency so temperature...More

Specifications Architecture Synchronous # Channels 1-Single Ended Input Voltage Range (V) +2.5V Full Scale Fout (kHz) 500kHz Reference Voltage (V) 2.5V Accuracy (%/kHz) 1 Input Clk Frequency (MHz) 1MHz Voltage Supply (V) 3 to 5.25 Supply Current (max) 1.5mA Package 8-Lead MSOP, 8-Lead SOT-23 Find Similar Products

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Features Synchronous Operation Full-Scale Frequency Set by External System Clock 8-Lead SOT-23 and 8-Lead microSOIC Package 3 V and 5 V Operation Low Power: 3 mW (Typ) Nominal Input Range: 0 to VREF True - 150 mV Capability Without Charge Pump VREF Range: 2.5 V to VDD Internal 2.5 V Reference 1 MHz Max Input Frequency Selectable High Impedance Buffered Input Minimal External Components Required

 

 

Price, Packaging, and Availability Print Table AD7740 Model Options Model Status Package Pins Temp Range Price* (1000 pcs.) Available RoHS Compliant Samples Cart Purchase Cart AD7740KRM Prodn 8 ld MSOP 8 Ind $1.00 9/12/2008 N Material Declaration Contact ADI Add to Cart AD7740KRM-REEL Obs 8 ld MSOP 8 Ind - - N Material Declaration Contact ADI Contact ADI AD7740KRM-REEL7 Prodn 8 ld MSOP 8 Ind $1.00 9/12/2008 N Material Declaration Contact ADI Add to Cart AD7740KRMZ Prodn 8 ld MSOP 8 Ind $0.91 9/12/2008 Y Material Declaration Add to Cart Add to Cart AD7740KRMZ-REEL Prodn 8 ld MSOP 8 Ind $0.91 - Y Material Declaration Contact ADI Add to Cart AD7740KRMZ-REEL7 Prodn 8 ld MSOP 8 Ind $0.91 9/26/2008 Y Material Declaration Contact ADI Add to Cart AD7740YRM Prodn 8 ld MSOP 8 Ind $1.23 9/12/2008 N Material Declaration Contact ADI Add to Cart AD7740YRM-REEL Contact ADI 8 ld MSOP 8 AUTO - - N Material Declaration Contact ADI Contact ADI AD7740YRM-REEL7 Prodn 8 ld MSOP 8 AUTO $1.23 - N Material Declaration Contact ADI Add to Cart AD7740YRMZ Prodn 8 ld MSOP 8 Ind $1.12 12/5/2008 Y Material Declaration Add to Cart Add to Cart AD7740YRMZ-REEL Prodn 8 ld MSOP 8 AUTO $1.12 12/5/2008 Y Material Declaration Contact ADI Add to Cart AD7740YRMZ-REEL7 Prodn 8 ld MSOP 8 AUTO $1.12 12/5/2008 Y Material Declaration Contact ADI Add to Cart AD7740YRT-REEL Prodn 8 ld SOT-23 8 AUTO $1.23 - Y Material Declaration Contact ADI Contact ADI AD7740YRT-REEL7 Prodn 8 ld SOT-23 8 AUTO $1.23 12/12/2008 Y Material Declaration Contact ADI Add to Cart AD7740YRTZ-REEL7 Prodn 8 ld SOT-23 8 AUTO $1.12 11/21/2008 Y Material Declaration Add to Cart 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 AD22100: Voltage Output Temperature Sensor with Signal Conditioning Signal Chains Visit our interactive signal chains for more complementary products

 

Find Similar Products     Part# Architecture # Channels Input Voltage Range (V) Full Scale Fout (kHz) Reference Voltage (V) Accuracy (%/kHz) Input Clk Frequency (MHz) Voltage Supply (V) Supply Current (max) Price* (1000 pcs.) AD652 Synchronous 1-Single Ended ±10 2500 5 2 5 +/- 6 to +/- 15 15 $9.92 AD7740 Synchronous 1-Single Ended +2.5 500 2.5 1 1 3 to 5.25 1.5 $0.91 AD7741 Synchronous 1-Single Ended +2.5 3072 2.5 2 6.144 4.75 to 5.25 8 $1.76 AD7742 Synchronous 2-Differential; 3-Pseudo Differential +3.5 3072 2.5 2 6.144 4.75 to 5.25 8 ** * 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.