Datasheet LTC1605 (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | 16-Bit, 100ksps, Sampling ADC |
| Páginas / Página | 18 / 1 — FEATURES. DESCRIPTION. Single 5V Supply. Bipolar Input Range: ±10V. Power … |
| Formato / tamaño de archivo | PDF / 399 Kb |
| Idioma del documento | Inglés |
FEATURES. DESCRIPTION. Single 5V Supply. Bipolar Input Range: ±10V. Power Dissipation: 55mW Typ. Guaranteed No Missing Codes
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LTC1605 16-Bit, 100ksps, Sampling ADC
FEATURES DESCRIPTION
n
Single 5V Supply
The LTC®1605 is a 100ksps, sampling 16-bit A/D converter n
Bipolar Input Range: ±10V
that draws only 55mW (typical) from a single 5V supply. n
Power Dissipation: 55mW Typ
This easy-to-use device includes sample-and-hold, preci- n
Guaranteed No Missing Codes
sion reference, switched capacitor successive approxima- n Sample Rate: 100ksps tion A/D and trimmed internal clock. n Integral Nonlinearity: ±2.0LSB Max The LTC1605’s input range is an industry standard ±10V. n Signal-to-Noise Ratio: 86dB Typ Maximum DC specs include ±2.0LSB INL and 16-bits no n Operates with Internal or External Reference missing codes over temperature. An external reference can n Internal Synchronized Clock be used if greater accuracy over temperature is needed. n Improved 2nd Source to ADS7805 and AD976 n 28-Lead SSOP and SW Packages The ADC has a microprocessor compatible, 16-bit or two- byte parallel output port. A convert start input and a data ready signal (BUSY) ease connections to FIFOs, DSPs and
APPLICATIONS
microprocessors. n Industrial Process Control 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. n Multiplexed Data Acquisition Systems n High Speed Data Acquisition for PCs n Digital Signal Processing
TYPICAL APPLICATION Low Power, 100kHz, 16-Bit Sampling ADC on 5V Supply Typical INL Curve
5V 2.0 10μF 0.1μF 1.5 28 27 VDIG VANA 1.0 6 TO 13 0.5 200Ω 15 TO 22 16-BIT 1 V 20k 10V IN 16-BIT OR 2 BYTE INPUT 0 SAMPLING ADC D15 TO D0 PARALLEL BUS INL (LSBs) –0.5 33.2k 4k 10k –1.0 4 CAP BUSY 26 –1.5 2.2μF BUFFER CS 25 –2.0 CONTROL DIGITAL 0 16384 32768 49152 65535 LOGIC AND CONTROL 3 REF 4k R/C 24 CODE REFERENCE TIMING SIGNALS BYTE 23 1605 • TA02 2.2μF AGND1 AGND2 DGND 2 5 14 1605 • TA01 1605fd For more information www.linear.com/LTC1605 1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Outputs Timing Characteristics Power Requirements Typical Performance Characteristics Pin Functions Test Circuit Functional Block Diagram Applications Information Package Description Revision History Package Description Related Parts
FEATURES DESCRIPTION
n
Single 5V Supply
The LTC®1605 is a 100ksps, sampling 16-bit A/D converter n
Bipolar Input Range: ±10V
that draws only 55mW (typical) from a single 5V supply. n
Power Dissipation: 55mW Typ
This easy-to-use device includes sample-and-hold, preci- n
Guaranteed No Missing Codes
sion reference, switched capacitor successive approxima- n Sample Rate: 100ksps tion A/D and trimmed internal clock. n Integral Nonlinearity: ±2.0LSB Max The LTC1605’s input range is an industry standard ±10V. n Signal-to-Noise Ratio: 86dB Typ Maximum DC specs include ±2.0LSB INL and 16-bits no n Operates with Internal or External Reference missing codes over temperature. An external reference can n Internal Synchronized Clock be used if greater accuracy over temperature is needed. n Improved 2nd Source to ADS7805 and AD976 n 28-Lead SSOP and SW Packages The ADC has a microprocessor compatible, 16-bit or two- byte parallel output port. A convert start input and a data ready signal (BUSY) ease connections to FIFOs, DSPs and
APPLICATIONS
microprocessors. n Industrial Process Control 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. n Multiplexed Data Acquisition Systems n High Speed Data Acquisition for PCs n Digital Signal Processing
TYPICAL APPLICATION Low Power, 100kHz, 16-Bit Sampling ADC on 5V Supply Typical INL Curve
5V 2.0 10μF 0.1μF 1.5 28 27 VDIG VANA 1.0 6 TO 13 0.5 200Ω 15 TO 22 16-BIT 1 V 20k 10V IN 16-BIT OR 2 BYTE INPUT 0 SAMPLING ADC D15 TO D0 PARALLEL BUS INL (LSBs) –0.5 33.2k 4k 10k –1.0 4 CAP BUSY 26 –1.5 2.2μF BUFFER CS 25 –2.0 CONTROL DIGITAL 0 16384 32768 49152 65535 LOGIC AND CONTROL 3 REF 4k R/C 24 CODE REFERENCE TIMING SIGNALS BYTE 23 1605 • TA02 2.2μF AGND1 AGND2 DGND 2 5 14 1605 • TA01 1605fd For more information www.linear.com/LTC1605 1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Outputs Timing Characteristics Power Requirements Typical Performance Characteristics Pin Functions Test Circuit Functional Block Diagram Applications Information Package Description Revision History Package Description Related Parts