Datasheet LTC2383-16 (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | 16-Bit, 1Msps, Low Power SAR ADC with Serial Interface |
| Páginas / Página | 26 / 1 — FEATURES. DESCRIPTION. 1Msps Throughput Rate. ±2LSB INL (Max). Guaranteed … |
| Formato / tamaño de archivo | PDF / 2.1 Mb |
| Idioma del documento | Inglés |
FEATURES. DESCRIPTION. 1Msps Throughput Rate. ±2LSB INL (Max). Guaranteed 16-Bit No Missing Codes
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LTC2383-16 16-Bit, 1Msps, Low Power SAR ADC with Serial Interface
FEATURES DESCRIPTION
n
1Msps Throughput Rate
The LTC®2383-16 is a low noise, low power, high speed n
±2LSB INL (Max)
16-bit successive approximation register (SAR) ADC. n
Guaranteed 16-Bit No Missing Codes
Operating from a 2.5V supply, the LTC2383-16 has a n
Low Power: 13mW at 1Msps, 13µW at 1ksps
±2.5V fully differential input range. The LTC2383-16 n
92dB SNR (Typ) at fIN = 20kHz
consumes only 13mW and achieves ±2LSB INL max, no n Guaranteed Operation to 125°C missing codes at 16-bits and 92dB SNR. n 2.5V Supply The LTC2383-16 has a high speed SPI-compatible serial n Fully Differential Input Range ±2.5V interface that supports 1.8V, 2.5V, 3.3V and 5V logic n External 2.5V Reference Input while also featuring a daisy-chain mode. The fast 1Msps n No Pipeline Delay, No Cycle Latency throughput with no cycle latency makes the LTC2383-16 n 1.8V to 5V I/O Voltages ideally suited for a wide variety of high speed applica tions. n SPI-Compatible Serial I/O with Daisy-Chain Mode An internal oscillator sets the conversion time, easing exter- n Internal Conversion Clock nal timing considerations. The LTC2383-16 automatically n 16-Pin MSOP and 4mm × 3mm DFN Packages powers down between conversions, lead ing to reduced power dissipation that scales with the sampling rate.
APPLICATIONS
n Medical Imaging
LTC238X-16 SAR ADC Family
n High Speed Data Acquisition
PART NUMBER RESOLUTION SPEED POWER
n Portable or Compact Instrumentation LTC2383-16 16 1Msps 13mW n Industrial Process Control LTC2382-16 16 500ksps 6.5mW n Low Power Battery-Operated Instrumentation LTC2381-16 16 250ksps 3.25mW n ATE 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.
TYPICAL APPLICATION 32k Point FFT fS = 1Msps, fIN = 20kHz
0 2.5V 1.8V TO 5V SNR = 92.2dB –20 THD = –106.2dB SINAD = 92dB ANALOG INPUT 10µF 0.1µF –40 SFDR = 110.4dB 0V TO 2.5V –60 50Ω 100Ω VDD OVDD CHAIN IN+ RDL/SDI –80 LT6350 SDO 3300pF LTC2383-16 –100 SCK IN– BUSY SAMPLE CLOCK AMPLITUDE (dBFS) –120 50Ω 100Ω REF GND CNV –140 SINGLE-ENDED- 2.5V 23816 TA01 TO-DIFFERENTIAL –160 47µF DRIVER (X5R, 0805 SIZE) –180 0 100 200 300 400 500 FREQUENCY (kHz) 238316 TA02 238316fa For more information www.linear.com/LTC2383-16 1
FEATURES DESCRIPTION
n
1Msps Throughput Rate
The LTC®2383-16 is a low noise, low power, high speed n
±2LSB INL (Max)
16-bit successive approximation register (SAR) ADC. n
Guaranteed 16-Bit No Missing Codes
Operating from a 2.5V supply, the LTC2383-16 has a n
Low Power: 13mW at 1Msps, 13µW at 1ksps
±2.5V fully differential input range. The LTC2383-16 n
92dB SNR (Typ) at fIN = 20kHz
consumes only 13mW and achieves ±2LSB INL max, no n Guaranteed Operation to 125°C missing codes at 16-bits and 92dB SNR. n 2.5V Supply The LTC2383-16 has a high speed SPI-compatible serial n Fully Differential Input Range ±2.5V interface that supports 1.8V, 2.5V, 3.3V and 5V logic n External 2.5V Reference Input while also featuring a daisy-chain mode. The fast 1Msps n No Pipeline Delay, No Cycle Latency throughput with no cycle latency makes the LTC2383-16 n 1.8V to 5V I/O Voltages ideally suited for a wide variety of high speed applica tions. n SPI-Compatible Serial I/O with Daisy-Chain Mode An internal oscillator sets the conversion time, easing exter- n Internal Conversion Clock nal timing considerations. The LTC2383-16 automatically n 16-Pin MSOP and 4mm × 3mm DFN Packages powers down between conversions, lead ing to reduced power dissipation that scales with the sampling rate.
APPLICATIONS
n Medical Imaging
LTC238X-16 SAR ADC Family
n High Speed Data Acquisition
PART NUMBER RESOLUTION SPEED POWER
n Portable or Compact Instrumentation LTC2383-16 16 1Msps 13mW n Industrial Process Control LTC2382-16 16 500ksps 6.5mW n Low Power Battery-Operated Instrumentation LTC2381-16 16 250ksps 3.25mW n ATE 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.
TYPICAL APPLICATION 32k Point FFT fS = 1Msps, fIN = 20kHz
0 2.5V 1.8V TO 5V SNR = 92.2dB –20 THD = –106.2dB SINAD = 92dB ANALOG INPUT 10µF 0.1µF –40 SFDR = 110.4dB 0V TO 2.5V –60 50Ω 100Ω VDD OVDD CHAIN IN+ RDL/SDI –80 LT6350 SDO 3300pF LTC2383-16 –100 SCK IN– BUSY SAMPLE CLOCK AMPLITUDE (dBFS) –120 50Ω 100Ω REF GND CNV –140 SINGLE-ENDED- 2.5V 23816 TA01 TO-DIFFERENTIAL –160 47µF DRIVER (X5R, 0805 SIZE) –180 0 100 200 300 400 500 FREQUENCY (kHz) 238316 TA02 238316fa For more information www.linear.com/LTC2383-16 1