(Hong Kong)
Product Summary
The fs9711-lp3 is a high performance, low power consumption and 3/4 digits (4000 Counts) Analog to Digital Converter that built-in the microprocessor (ADC+MCU). The fs9711-lp3 includes the 8 bits microprocessor, low noise and high stability OPAMP, AC rectifier OPAMP, voltage promotion and regulated voltage power, high regulated bandgap, auto measurement switch and function control circuit, buzzer driver circuit, clock oscillation circuit, backlight display control circuit, LCD display driver circuit and so on.
Parametrics
fs9711-lp3 absolute maximum ratings: (1)VDD, Recommend Operation Power Voltage: 2.4 to 3.6 V; (2)IDD, Supply Current： 1.5 to 2 mA; (3)IPO, Power Supply Current: 10 μA; (4)VIH, Digital Input High Voltage: VDD-0.5 V; (5)VIL, Digital Input Low Voltage: 0.5 V; (6)Ipu, Pull up Current: 5 to 10 μA; (7)AGND, Analog Ground Voltage: VDD/2-3% to VDD/2+3% V; (8)VDDA, Analog Power: 3.4 to 4 V; (9)VBAND, Build in Reference Voltage: 1.1 to 1.4 V; (10)Build in Reference Voltage Output Voltage Coefficient: -2000 to +2000 ppm/V; (11)REFI, Recommend Reference input Voltage: 0.44 V; (12)VBATT, Low Battery Detector Voltage: 2.25 to 2.55 V; (13)FLCD, LCD Frame Frequency: 32 Hz; (14)VLCD, LCD Pk-Pk Driver Voltage: 2.8 to 3.2 V; (15)FBEEP, Beeper Frequency: 2.7 kHz.
Features
fs9711-lp3 features: (1)Max. Display: 4000 Counts; (2)Conversion Rate: 3 times/sec; (3)The Negative Indication: Auto; (4)Power Voltage Range: 2.4V to 3.6V; (5)Chip Power Consumption: ≤6mW; (6)Low Battery Warning: Approx. 2.4V; (7)Buzzer Driver Circuit (Frequency is about?2.7kHz); (8)RS232 Serial Data Output; (9)Embedded OPAMP for AC/DC conversion; (10)Function Keys: Range, Hold/BLCTR, Rel, Select, Hz/Duty, RS232 and Reset; (11)Unit Symbol and Backlight Display; (12)Auto Power-off.
Diagrams
