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AD1376 bảng dữ liệu(PDF) 1 Page - Analog Devices |
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AD1376 bảng dữ liệu(HTML) 1 Page - Analog Devices |
1 / 12 page Complete, High Speed 16-Bit A/D Converters AD1376/AD1377 Rev. D Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.481.3113 © 2005 Analog Devices, Inc. All rights reserved. FEATURES Complete 16-bit converters with reference and clock ±0.003% maximum nonlinearity No missing codes to 14 bits over temperature Fast conversion 17 µs to 16 bits (AD1376) 10 µs to 16 bits (AD1377) Short cycle capability Adjustable clock rate Parallel outputs Low power 645 mW typical (AD1376) 585 mW typical (AD1377) Industry-standard pinout GENERAL DESCRIPTION The AD1376/AD1377 are high resolution, 16-bit analog-to- digital converters with internal reference, clock, and laser- trimmed thin-film applications resistors. The AD1376/AD1377 are excellent for use in high resolution applications requiring moderate speed and high accuracy or stability over commercial temperature ranges (0°C to 70°C). They are packaged in compact 32-lead, ceramic seam-sealed (hermetic), dual in-line packages (DIP). Thin-film scaling resistors provide bipolar input ranges of ±2.5 V, ±5 V, and ±10 V and unipolar input ranges of 0 V to +5 V, 0 V to +10 V, and 0 V to +20 V. Digital output data is provided in parallel form with corresponding clock and status outputs. All digital inputs and outputs are TTL-compatible. For the AD1376, the serial output function is no longer available after date code 0111. For the AD1377, the serial output function is no longer available after date code 0210. The option of applying an external clock on the CONVERT START pin to slow down the internally set conversion time is no longer supported for either part. PRODUCT HIGHLIGHTS 1. The AD1376/AD1377 provide 16-bit resolution with a maximum linearity error of ±0.003% (1/2 LSB14) at 25°C. 2. The AD1376 conversion time is 14 µs (typical) short cycled to 14 bits, and 16 µs to 16 bits. 3. The AD1377 conversion time is 8 µs (typical) short cycled to 14 bits, and 9 µs to 16 bits. 4. Two binary codes are available on the digital output. They are CSB (complementary straight binary) for unipolar input voltage ranges and COB (complementary offset binary) for bipolar input ranges. Complementary twos complement (CTC) coding may be obtained by inverting Pin 1 (MSB). 5. The AD1376/AD1377 include internal reference and clock with external clock rate adjust pin, and parallel digital outputs. FUNCTIONAL BLOCK DIAGRAM (MSB) BIT 1 1 BIT 2 2 BIT 3 3 BIT 4 4 BIT 5 5 BIT 6 6 BIT 7 7 BIT 8 8 BIT 9 9 BIT 10 10 BIT 11 11 BIT 12 12 (LSB FOR 13 BITS) BIT 13 13 (LSB FOR 14 BITS) BIT 14 14 BIT 15 15 BIT 16 16 SHORT CYCLE 32 CONVERT START 31 +5V DC SUPPLY VL 30 GAIN ADJUST 29 +15V DC SUPPLY VCC 28 COMPARATOR IN 27 BIPOLAR OFFSET 26 +10V 25 +20V 24 CLK RATE CTRL 23 ANALOG COMMON 22 –15V DC SUPPLY VEE 21 CLOCK OUT 20 DIGITAL COMMON 19 STATUS 18 NC 17 16-BIT SAR CLOCK REFERENCE COMPARATOR 7.5k Ω 3.75k Ω 3.75kΩ AD1376/AD1377 Figure 1. |
Số phần tương tự - AD1376_15 |
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Mô tả tương tự - AD1376_15 |
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