DC2807A Analog Devices

LTC6560 Single Channel Transimpedance Amplifier with Output Multiplexing FEATURES DESCRIPTION n 220MHz 3dB Bandwidth with 2pF Input The LTC 6560 is a low-noise, transimpedance ampli- Capacitance fier (TIA) with 220MHz bandwidth. The LTC6560s low n Single-Ended Output noise, high transimpedance and low power dissipation are n 74k Transimpedance Gain ideal for LIDAR receivers using avalanche photodiodes n 4.8pA/Hz Input Current Noise Density at 200MHz (APDs). The LTC6560 features 74k transimpedance (2pF) gain and 30A linear input current range. Using an input n 64nA Integrated Input Current Noise Over circuit with a total input capacitance of 2pF, the input cur- RMS 200MHz (2pF) rent noise density is 4.8pA/Hz at 200MHz. With lower n Linear Input Range 0A to 30A capacitance, noise and bandwidth improve further. The n Overload Current > 400mA Peak LTC6560 operates from a single 5V supply and consumes n Fast Overload Recovery: 1mA in 10ns only 90mW. Utilizing the LTC6560s output MUX, multiple n Fast Output MUXing: <50ns LTC6560 devices can be combined to a single output. n Single 5V Supply The LTC6560s fast overload recovery and fast output n 90mW Power Dissipation MUXing make it well suited for LIDAR receivers with mul- n 2V Output Swing on 100 Load tiple APDs. Its single-ended output can swing 2V on P-P P-P n 3mm 3mm, 16-Lead QFN Package a 100 load. Its low impedance op amp style output has n Output MUX Combines Multiple LTC6560 Devices been designed to drive back-terminated 50 cables. n AEC-Q100 Qualified for Automotive Applications The LTC6560 is packaged in a compact 3mm 3mm 16-pin leadless QFN package with an exposed pad for APPLICATIONS thermal management and low inductance. All registered trademarks and trademarks are the property of their respective owners. n LIDAR Receiver n Industrial Imaging TYPICAL APPLICATION Typical Application with DC-Coupled Inputs Driving a Time-to-Digital Pulse Response at the Edge of the Converter with Back-Terminated Cable Overload Region (40A) MULTIPLE LTC6560s WIRE-OR OUTPUT RESPONSE OUT(2) MUX (0.5V/DIV) 47.5 V V CCI CCO LTC6560 TIME-OF-FLIGHT DETECTOR OUT OUTPUT WITH SERIES 50, STAGE INTO 50 LOAD, R = 37k 47.5 T,EFF + TIA 50 IN GAIN INPUT PULSE V (20A/DIV) REF 150V OUTTERM 6560 TA01b 5ns/DIV O MUX(2) GND O MUX 6560 TA01a Rev. B 1 Document Feedback For more information www.analog.comLTC6560 ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1) TOP VIEW Total Supply Voltage (V , V to GND) ................5.5V CCI CCO Voltage (O MUX) ...................................... 0.3V to 5.5V Amplifier Reference Current (V ) ...................... 10mA REF 16 15 14 13 Voltage (V ) ........................................... 0.3V to 3.5V REF V 1 12 O MUX CCO Amplifier Input DNC 2 11 V CCI 17 Current (IN) .......... 400mA 2A Transient (10ns) RMS GND DNC 3 10 DNC Amplifier Output Current (OUT, OUTTERM) ........ +80mA DNC 4 9 DNC Operating Temperature Range 5 6 7 8 LTC6560I (Note 2) ...............................40C to 85C LTC6560H (Note 3) ............................ 40C to 125C UD PACKAGE 16-LEAD (3mm 3mm) PLASTIC QFN Storage Temperature Range .................. 65C to 150C T = 150C, = 7.5C/W JMAX JC Junction Temperature ........................................... 150C EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC6560IUD PBF LTC6560IUD TRPBF LHDV 16-Lead (3mm x 3mm) Plastic QFN 40C to 85C LTC6560HUD PBF LTC6560HUD TRPBF LHDV 16-Lead (3mm x 3mm) Plastic QFN 40C to 125C AUTOMOTIVE PRODUCTS** LTC6560HUD WPBF LTC6560HUD WTRPBF LHDV 16-Lead (3mm x 3mm) Plastic QFN 40C to 125C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with TRMPBF suffix. **Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These models are designated with a W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for thesemodels. Rev. B 2 For more information www.analog.com IN DNC V OUT REF DNC OUTTERM DNC DNC