High-Side Sensing Constant Current Buck Controller for High Switching Frequency LED Driver

Features • Wide Input Range (8 VDC~70 VDC) • Continuous Conduction Mode Operation • Hysteretic LED Current Control • Wide analog dimming range down to 5% • Wide PWM dimming duty range to 0.2% at 2 kHz PWM freq. • High switching frequency up to 1 MHz • High source / sink current of 1

24-Bit, 8.5 mW, 109 dB, 128/64/32 kSPS ADCs

GENERAL DESCRIPTION The AD7767/AD7767-1/AD7767-2 are high performance 24-bit oversampled SAR analog-to-digital converters (ADC). The AD7767/AD7767-1/AD7767-2 combine the benefits of a large dynamic range and input bandwidth, consuming 15 mW, 10.5 mW, and 8.5 mW power, respectively, all containe

2.5 MSPS, 20-Bit ADC

GENERAL DESCRIPTION The AD7760 is a high performance, 24-bit Σ-Δ analog-to-digital converter (ADC). It combines wide input bandwidth and high speed with the benefits of Σ-Δ conversion to achieve a performance of 100 dB SNR at 2.5 MSPS, making it ideal for high speed data acquisition. Wide dynamic

AD7760/AD7762 Evaluation Board using EVAL-CED1Z

FEATURES Full-featured evaluation board for the AD7760/AD7762 EVAL-CED1Z compatible On-board 4.096 V reference Crystal clock oscillator MCLK source PC software for control and data analysis for use with EVAL-CED1Z Filter Programmability – Load custom filter to AD7760/62 EVALUATION BOARD

24-Bit, 8.5 mW, 109 dB, 128 kSPS/64 kSPS/32 kSPS ADCs

FEATURES ► Oversampled successive approximation (SAR) architecture ► High performance ac and dc accuracy, low power ► 115.5 dB dynamic range, 32 kSPS (AD7767-2) ► 112.5 dB dynamic range, 64 kSPS (AD7767-1) ► 109.5 dB dynamic range, 128 kSPS (AD7767) ► −118 dB THD ► Exceptionally low power

Sigma-Delta ADC with On-Chip Buffer

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