ADP8870 データシート PDF

t.in Charge-Pump, Parallel Backlight Driver with Image Content PWM Input ADP8870 FEATURES Charge pump with automatic gain selection of 1×, 1.5×, and 2× for maximum efficiency Two high accuracy (±5%) phototransistor inputs for automated ambient light sensing (ALS) 5 programmable ambient light-s

Data Sheet FEATURES 1 A maximum output current Low input voltage supply range VIN = 1.10 V to 1.98 V, no external bias supply required Fixed output voltage range: VOUT_FIXED = 0.9 V to 1.5 V Adjustable output voltage range: VOUT_ADJ = 0.5 V to 1.5 V Ultralow noise: 2 μV rms, 100 H- to 100 kH- Noise

Data Sheet FEATURES Multifunction photometric front end Fully integrated AFE, ADC, LED drivers, and timing core Usable in a broad range of optical measurement applications, including photoplethysmography Enables best-in-class ambient light rejection capability without the need for photodiode optical