LT6203 LINER [Linear Technology], LT6203 Datasheet
LT6203
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LT6203 Summary of contents
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FEATURES 2Msps Throughput Rate n ±0.85LSB INL (Max) n Guaranteed 16-Bit No Missing Codes n Low Power: 19mW at 2Msps, 19µW at 2ksps n 94dB SNR (Typ 2kHz n IN –112dB THD (Typ 2kHz ...
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LTC2370-16 ABSOLUTE MAXIMUM RATINGS Supply Voltage (V ) ...............................................2.8V DD Supply Voltage (OV ) ................................................6V DD Reference Input (REF) .................................................6V Analog Input Voltage (Note 3) + – .........................(GND – 0.3V) to (REF + 0.3V) Digital Input Voltage ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER + V + Absolute Input Range ( – V – Absolute Input Range ( – V – Input Differential Voltage Range IN IN ...
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LTC2370-16 REFERENCE INPUT The specifications are 25°C. (Note 4) A SYMBOL PARAMETER V Reference Voltage REF I Reference Input Current REF DIGITAL INPUTS AND DIGITAL OUTPUTS full operating temperature range, otherwise specifications are at T SYMBOL PARAMETER ...
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ADC TIMING CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER t SCK Low Time SCKL t SDI Setup Time From SCK↑ SSDISCK t SDI Hold Time From SCK↑ HSDISCK t SCK Period in Chain Mode SCKCH t SDO ...
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LTC2370-16 TYPICAL PERFORMANCE CHARACTERISTICS f = 2Msps, unless otherwise noted. SMPL Integral Nonlinearity vs Output Code 1.0 0.8 0.6 0.4 0.2 0.0 –0.2 –0.4 –0.6 –0.8 –1.0 0 16384 32768 49152 65536 OUTPUT CODE 237016 G01 32k Point FFT f ...
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TYPICAL PERFORMANCE CHARACTERISTICS f = 2Msps, unless otherwise noted. SMPL SNR, SINAD vs Temperature 2kHz IN 95.0 94.5 SNR 94.0 SINAD 93.5 93.0 92.5 92.0 –55 –35 – 105 TEMPERATURE (°C) 237016 G10 ...
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LTC2370-16 PIN FUNCTIONS CHAIN (Pin 1): Chain Mode Selector Pin. When low, the LTC2370-16 operates in normal mode and the RDL/SDI input pin functions to enable or disable SDO. When high, the LTC2370-16 operates in chain mode and the RDL/SDI ...
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FUNCTIONAL BLOCK DIAGRAM TIMING DIAGRAM CHAIN, RDL/SDI = 0 CNV CONVERT BUSY SCK SDO REF = SPI 16-BIT SAMPLING ADC PORT – – IN CONTROL LOGIC ...
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LTC2370-16 APPLICATIONS INFORMATION OVERVIEW The LTC2370- low noise, low power, high speed 16-bit successive approximation register (SAR) ADC. Operating from a single 2.5V supply, the LTC2370-16 supports pseudo-differential unipolar input range with REF V ...
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APPLICATIONS INFORMATION INPUT DRIVE CIRCUITS A low impedance source can directly drive the high im- pedance input of the LTC2370-16 without gain error. A high impedance source should be buffered to minimize settling time during acquisition and to optimize the ...
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LTC2370-16 APPLICATIONS INFORMATION 200pF CM REF R2 R4 499 402 + 3 R3 10µF LT6202 2k – 10V 2k 499 0V –10V 200pF Figure 5a. LT6202 Converting a ±10V Bipolar Signal to ...
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APPLICATIONS INFORMATION code. In applications where the transient response of the reference is important, the fast settling LTC6655-5 refer- ence is also recommended. In applications where power management is critical and the external reference may be powered down ...
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LTC2370-16 APPLICATIONS INFORMATION Power Supply Sequencing The LTC2370-16 does not have any specific power supply sequencing requirements. Care should be taken to adhere to the maximum voltage relationships described in the Absolute Maximum Ratings section. The LTC2370-16 has a power-on-reset ...
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TIMING DIAGRAMS Normal Mode, Single Device When CHAIN = 0, the LTC2370-16 operates in normal mode. In normal mode, RDL/SDI enables or disables the serial data output pin SDO. If RDL/SDI is high, SDO is in high impedance. If RDL/SDI ...
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LTC2370-16 TIMING DIAGRAMS Normal Mode, Multiple Devices Figure 11 shows multiple LTC2370-16 devices operating in normal mode (CHAIN = 0) sharing CNV, SCK and SDO. By sharing CNV, SCK and SDO, the number of required signals to operate multiple ADCs ...
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TIMING DIAGRAMS Chain Mode, Multiple Devices When CHAIN = OV , the LTC2370-16 operates in DD chain mode. In chain mode, SDO is always enabled and RDL/SDI serves as the serial data input pin (SDI) where daisy-chain data output from ...
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LTC2370-16 BOARD LAYOUT To obtain the best performance from the LTC2370-16 a printed circuit board is recommended. Layout for the printed circuit board (PCB) should ensure the digital and analog signal lines are separated as much as possible. In particular, ...
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BOARD LAYOUT Partial Layer 1 Component Side Partial Layer 2 Ground Plane LTC2370-16 237016fa 19 ...
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LTC2370-16 BOARD LAYOUT 20 Partial Layer 3 PWR Plane Partial Layer 4 Bottom Layer 237016fa ...
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BOARD LAYOUT Partial Schematic of Demoboard REF 8 REF 1 GND 7 DD GND GND GND LTC2370- 237016fa 21 ...
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LTC2370-16 PACKAGE DESCRIPTION Please refer to http://www.linear.com/designtools/packaging/ 3.30 ±0.05 3.60 ±0.05 2.20 ±0.05 1.70 ±0.05 0.25 ±0.05 0.45 BSC 3.15 REF RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED NOTE: 1. DRAWING PROPOSED ...
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REVISION HISTORY REV DATE DESCRIPTION A 03/12 Updated conditions for I PD Added Figure 7 and associated text Updated Related Parts Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for ...
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... Single V References LTC6655 Precision Low Drift Low Noise Buffered Reference LTC6652 Precision Low Drift Low Noise Buffered Reference Amplifiers LT6202/LT6203 Single/Dual 100MHz Rail-to-Rail Input/Output Noise Low Power Amplifiers LT6200/LT6200-5/ 165MHz/800MHz/1.6GHz Op Amp with LT6200-10 Unity Gain/ LT6360 ...