LTC2391IUK-16#PBF Linear Technology, LTC2391IUK-16#PBF Datasheet
LTC2391IUK-16#PBF
Specifications of LTC2391IUK-16#PBF
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LTC2391IUK-16#PBF Summary of contents
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... The LTC2391-16 dissipates only 95mW at 250ksps, while both nap and sleep power-down modes are provided to further reduce power during inactive periods. L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners ...
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... JMAX JA EXPOSED PAD (PIN 49) IS GND, MUST BE SOLDERED TO PCB OrDer INFOrmATION LEAD FREE FINISH TAPE AND REEL LTC2391CUK-16#PBF LTC2391CUK-16#TRPBF LTC2391IUK-16#PBF LTC2391IUK-16#TRPBF LEAD FREE FINISH TRAY LTC2391CLX-16#PBF LTC2391CLX-16#PBF LTC2391ILX-16#PBF LTC2391ILX-16#PBF LTC2391HLX-16#PBF LTC2391HLX-16#PBF Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. ...
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ANALOg INPuT The denotes the specifications which apply over the full operating temperature range, otherwise l specifications are 25°C. (Note 4) A SYMBOL PARAMETER + + V Absolute Input Range ( – – V Absolute ...
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LTC2391-16 INTerNAL reFereNCe ChArACTerIsTICs operating temperature range, otherwise specifications are at T PARAMETER V Output Voltage REF V Output Tempco REF V Output Impedance REF External Reference Voltage REFIN Input Impedance V Line Regulation REF VCM Output Voltage DIgITAL INPuTs ...
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TImINg ChArACTerIsTICs range, otherwise specifications are SYMBOL PARAMETER f Sampling Frequency SMPL t Conversion Time CONV t Acquisition Time ACQ t CNVST Low Time 4 t CNVST High Time 5 t CNVST↓ to BUSY Delay 6 t ...
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LTC2391-16 TYPICAL PerFOrmANCe ChArACTerIsTICs Integral Nonlinearity vs Output Code 2.0 1.5 1.0 0.5 0 –0.5 –1.0 –1.5 –2.0 32768 0 16384 49152 65536 OUTPUT CODE 239116 G01 DC Histogram (Internal Reference) 2000000 1800000 1600000 1400000 1200000 1000000 800000 600000 400000 ...
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TYPICAL PerFOrmANCe ChArACTerIsTICs SNR, SINAD vs Input Frequency 96 SNR 94 SINAD INPUT FREQUENCY (kHz) 239116 G10 THD, Harmonics 20kHz IN vs Temperature –95 –100 THD ...
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LTC2391-16 PIN FuNCTIONs GND (Pins 20, 35, 41, 44, 48, Exposed Pad Pin 49): Ground. All GND pins must be connected to a solid ground plane. AVP (Pins 2, 40, 45, 46, 47): 5V Analog Power Supply. ...
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PIN FuNCTIONs BUSY (Pin 29): Busy Output. A low-to-high transition oc- curs when a conversion is started. It stays high until the conversion is complete. The falling edge of BUSY can be used as the data-ready clock signal. RD (Pin ...
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LTC2391-16 FuNCTIONAL bLOCk DIAgrAm LTC2391- – IN REFIN REFOUT VCM TImINg DIAgrAms CS CNVST BUSY D[15:0] CS CNVST BUSY SCLK SDOUT 0 AVP DVP OVP 16-BIT SAMPLING ADC 16-BIT 1x BUFFER 4.096V ...
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APPLICATIONs INFOrmATION OVERVIEW The LTC2391- low noise, high speed 16-bit suc- cessive approximation register (SAR) ADC. Operating from a single 5V supply, the LTC2391-16 supports a large ±4.096V fully differential input range, making it ideal for high performance ...
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LTC2391-16 APPLICATIONs INFOrmATION INPUT DRIVE CIRCUITS A low impedance source can directly drive the high imped- ance inputs of the LTC2391-16 without gain error. A high impedance source should be buffered to minimize settling time during acquisition and to optimize ...
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APPLICATIONs INFOrmATION Internal Reference To use the internal reference, simply tie the REFOUT and REFIN pins together. This connects the 4.096V output of the internal reference to the input of the internal reference buffer. The output impedance of the internal ...
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LTC2391-16 APPLICATIONs INFOrmATION Signal-to-Noise Ratio (SNR) The signal-to-noise ratio (SNR) is the ratio between the RMS amplitude of the fundamental input frequency and the RMS amplitude of all other frequency components except the first five harmonics and DC. Figure 5 ...
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APPLICATIONs INFOrmATION from that conversion can be read after PD = low is ap- plied. In this mode, power consumption drops to a typical value of 175µW from 95mW. This mode can be used if the LTC2391-16 is inactive for ...
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LTC2391-16 APPLICATIONs INFOrmATION Parallel Modes The parallel output data interface is active when the SER/PAR pin is tied low and when both CS and RD are low. The output data can be read as a 16-bit word as shown in ...
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APPLICATIONs INFOrmATION CS RD BUSY DATA BUS D[15:0] CNVST, RD BUSY DATA BUS D[15:0] Figure 10. Read the Parallel Data During the Conversion CS, RD BYTESWAP Hi-Z D[15:8] Figure 11. 8-Bit Parallel Interface Using the BYTESWAP Pin Hi-Z Hi-Z CURRENT ...
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LTC2391-16 APPLICATIONs INFOrmATION BUSY SCLK Hi-Z SDOUT (ADC 2) SDIN (ADC BUSY SCLK Hi-Z SDOUT (ADC 2) SDIN (ADC 2) CNVST IN SCLK IN Figure 12. Serial Interface with ...
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APPLICATIONs INFOrmATION RESET CVNST DATA BUS D[15: ACQ Hi-Z Figure 13. RESET Pin Timing LTC2391-16 239116 F13 239116f ...
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LTC2391-16 APPLICATIONs INFOrmATION BOARD LAYOUT To obtain the best performance from the LTC2391-16, a printed circuit board (PCB) is recommended. Layout for the printed circuit board should ensure the digital and analog signal lines are separated as much as possible. ...
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APPLICATIONs INFOrmATION Partial Layer 1 Component Side Partial Top Silkscreen LTC2391-16 Partial Layer 2 Ground Plane 239116f ...
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LTC2391-16 PACkAge DesCrIPTION 5.15 0.05 5.15 0.05 0.25 0.05 0.50 BSC RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED 7.00 0.10 (4 SIDES) PIN 1 TOP MARK (SEE NOTE 6) NOTE: 1. DRAWING ...
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... SHALL NOT EXCEED 0.25mm ON ANY SIDE, IF PRESENT Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... Low Noise Voltage: 0.95nV/√Hz (100kHz), Low Distortion: –80dB at 1MHz, TSOT23-6 Package Rail-to-Rail Input and Outputs, 240ns 0.01% Settling Time www.linear.com ● 5V – 2200pF LTC2391- 239116 TA03 Noise (0.1Hz to 10Hz) in MSOP-8 Package P-P , Settling Time: 900ns P-P LT 0210 • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 2010 239116f ...