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Chip introduction:The LTC2140CUP-14 is A two-channel simultaneous sampling 14-bit A/D converter designed for digital processing of high frequency, wide dynamic range signals. These devices are ideal for demanding communications applications with AC pe…
Chip introduction:
The LTC2140CUP-14 is A two-channel simultaneous sampling 14-bit A/D converter designed for digital processing of high frequency, wide dynamic range signals. These devices are ideal for demanding communications applications with AC performance including 73.2dB SNR and 90dB spurious free Dynamic range (SFDR). The ultra-low jitter of 0.08psRMS enables undersampling of the IF frequency and superior noise performance.
The DC specification includes ±1LSB INL (typical value), ±0.3LSB DNL (typical value), and no loss codes over the entire temperature range. The conversion noise is 1.2LSBRMS.
The digital output can be full rate CMOS, double data rate CMOS or double data rate LVDS. A separate output power supply provides CMOS output swing from 1.2V to 1.8V.
The ENC+ and ENC - inputs can be differentially or single-ended driven with a sine wave, PECL, LVDS, TTL, or CMOS input. An optional clock duty cycle stabilizer delivers high performance at full speed and multiple clock duty cycles.
Target application:
communication
Cell base station
Software-defined radio
Portable medical imaging
Multi-channel data acquisition
Nondestructive testing
Features:
Two-channel simultaneous sampling ADC
73.2dB SNR
90dB SFDR
Low power: 95mW / 67mW / 50mW (total value)
48mW / 34mW / 25mW (per channel)
Single 1.8V power supply
CMOS, DDR CMOS, or DDR LVDS output
Optional input range: 1VP-P to 2VP-P
750MHz Full Power bandwidth sampling and holding (S/H)
Optional data output random function generator
Optional clock duty cycle stabilizer
Downtime and nap mode
Serial SPI port for configuration
64 pin (9mm x 9mm) QFN package
Time:2025-02-24
Time:2025-02-24
Time:2025-02-24
Time:2025-02-24
Contact Number:86-755-83294757
Enterprise QQ:1668527835/ 2850151598/ 2850151584/ 2850151585
Business Hours:9:00-18:00
E-mail:sales@hkmjd.com
Company Address:Room1239, Guoli building, Zhenzhong Road, Futian District, Shenzhen, Guangdong
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