Datasheet LTC2313-12 (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | 12-Bit, 2.5Msps Serial Sampling ADC in TSOT |
| Páginas / Página | 22 / 1 — FEATURES. DESCRIPTION. 2.5Msps Throughput Rate. No Cycle Latency. … |
| Formato / tamaño de archivo | PDF / 1.1 Mb |
| Idioma del documento | Inglés |
FEATURES. DESCRIPTION. 2.5Msps Throughput Rate. No Cycle Latency. Guaranteed 12-Bit No Missing Codes. Single 3V or 5V Supply
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LTC2313-12 12-Bit, 2.5Msps Serial Sampling ADC in TSOT
FEATURES DESCRIPTION
n
2.5Msps Throughput Rate
The LTC®2313-12 is a 12-bit, 2.5Msps, serial sampling n
No Cycle Latency
A/D converter that draws only 5mA from a single 3V or n
Guaranteed 12-Bit No Missing Codes
5V supply. The LTC2313-12 contains an integrated low n
Single 3V or 5V Supply
drift reference and reference buffer providing a low cost, n
Low Noise: 73dB SNR
high performance (20ppm/°C maximum) and space n
Low Power: 14mW at 2.5Msps and 3V Supply
saving solution. The LTC2313-12 achieves outstanding n
Low Drift (20ppm/°C Maximum) 2.048V or 4.096V
AC performance of 72.6dB SINAD and –84dB THD while
Internal Reference
sampling at 2.5Msps. The extremely high sample rate-to- n power ratio makes the LTC2313-12 ideal for compact, low Sleep Mode with < 1µA Typical Supply Current n power, high speed systems. The supply current decreases Nap Mode with Quick Wake-Up < 1 Conversion n at lower sampling rates as the device automatically enters Separate 1.8V to 5V Digital I/O Supply n nap mode after conversions. High Speed SPI-Compatible Serial I/O n Guaranteed Operation from –40°C to 125°C The LTC2313-12 has a high speed SPI-compatible serial n 8-Lead TSOT-23 Package interface that supports 1.8V, 2.5V, 3V and 5V logic. The fast 2.5Msps throughput with no cycle latency makes
APPLICATIONS
the LTC2313-12 ideally suited for a wide variety of high n Communication Systems speed applications. n High Speed Data Acquisition
Complete 14-/12-Bit Pin-Compatible SAR ADC Family
n Handheld Terminal Interface
500ksps 2.5Msps 4.5Msps 5Msps
n Medical Imaging 14-Bit LTC2312-14 LTC2313-14 LTC2314-14 n Uninterrupted Power Supplies 12-Bit LTC2312-12 LTC2313-12 LTC2315-12 n Battery Operated Systems Power 3V/5V 9mW/15mW 14mW/25mW 18mW/31mW 19mW/32mW n Automotive 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 5V Supply, Internal Reference, 2.5Msps, 12-Bit Sampling ADC 16k Point FFT, fS = 2.5Msps, fIN = 497kHz
0 5V VDD = 5V 2.2µF LTC2313-12 –20 SNR = 73dBFS SINAD = 72.6dBFS VDD CONV –40 THD = –84dB 2.2µF SFDR = 87dB SERIAL DATA LINK TO –60 REF SCK ASIC, PLD, MPU, DSP OR SHIFT REGISTERS –80 GND SDO –100 ANALOG INPUT DIGITAL OUTPUT SUPPLY AMPLITUDE (dBFS) A 0V TO 4.096V IN OVDD 1.8V TO 5V –120 2.2µF –140 231312 TA01a –1600 250 500 750 1000 INPUT FREQUENCY (kHz) 231312 TA01b 231312fb For more information www.linear.com/LTC2313-12 1 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input/Output Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagrams Applications Information Package Description Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input/Output Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagrams Applications Information Applications Information Applications Information Applications Information Applications Information Package Description Revision History Typical Application Related Parts
FEATURES DESCRIPTION
n
2.5Msps Throughput Rate
The LTC®2313-12 is a 12-bit, 2.5Msps, serial sampling n
No Cycle Latency
A/D converter that draws only 5mA from a single 3V or n
Guaranteed 12-Bit No Missing Codes
5V supply. The LTC2313-12 contains an integrated low n
Single 3V or 5V Supply
drift reference and reference buffer providing a low cost, n
Low Noise: 73dB SNR
high performance (20ppm/°C maximum) and space n
Low Power: 14mW at 2.5Msps and 3V Supply
saving solution. The LTC2313-12 achieves outstanding n
Low Drift (20ppm/°C Maximum) 2.048V or 4.096V
AC performance of 72.6dB SINAD and –84dB THD while
Internal Reference
sampling at 2.5Msps. The extremely high sample rate-to- n power ratio makes the LTC2313-12 ideal for compact, low Sleep Mode with < 1µA Typical Supply Current n power, high speed systems. The supply current decreases Nap Mode with Quick Wake-Up < 1 Conversion n at lower sampling rates as the device automatically enters Separate 1.8V to 5V Digital I/O Supply n nap mode after conversions. High Speed SPI-Compatible Serial I/O n Guaranteed Operation from –40°C to 125°C The LTC2313-12 has a high speed SPI-compatible serial n 8-Lead TSOT-23 Package interface that supports 1.8V, 2.5V, 3V and 5V logic. The fast 2.5Msps throughput with no cycle latency makes
APPLICATIONS
the LTC2313-12 ideally suited for a wide variety of high n Communication Systems speed applications. n High Speed Data Acquisition
Complete 14-/12-Bit Pin-Compatible SAR ADC Family
n Handheld Terminal Interface
500ksps 2.5Msps 4.5Msps 5Msps
n Medical Imaging 14-Bit LTC2312-14 LTC2313-14 LTC2314-14 n Uninterrupted Power Supplies 12-Bit LTC2312-12 LTC2313-12 LTC2315-12 n Battery Operated Systems Power 3V/5V 9mW/15mW 14mW/25mW 18mW/31mW 19mW/32mW n Automotive 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 5V Supply, Internal Reference, 2.5Msps, 12-Bit Sampling ADC 16k Point FFT, fS = 2.5Msps, fIN = 497kHz
0 5V VDD = 5V 2.2µF LTC2313-12 –20 SNR = 73dBFS SINAD = 72.6dBFS VDD CONV –40 THD = –84dB 2.2µF SFDR = 87dB SERIAL DATA LINK TO –60 REF SCK ASIC, PLD, MPU, DSP OR SHIFT REGISTERS –80 GND SDO –100 ANALOG INPUT DIGITAL OUTPUT SUPPLY AMPLITUDE (dBFS) A 0V TO 4.096V IN OVDD 1.8V TO 5V –120 2.2µF –140 231312 TA01a –1600 250 500 750 1000 INPUT FREQUENCY (kHz) 231312 TA01b 231312fb For more information www.linear.com/LTC2313-12 1 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input/Output Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagrams Applications Information Package Description Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input/Output Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagrams Applications Information Applications Information Applications Information Applications Information Applications Information Package Description Revision History Typical Application Related Parts