Novinka:Semtech: predstavil čipy pre kapacitné snímanie
(Kategória: Semiconductor-ZONE)
Zaslal EdizonTN
08.04.2010-22:03
Ide o radu SX864x, čo sú 8 a 12 kanálové modely obsahujúce aj LED radič.
Čipy rady SX864x obsahujú 12-kanálové SX8643/44/45, zapúzdrené v 5mm x 5mm 32-QFN púzdre a
8-kanálové SX8646/47/48/49 ktoré sú schované v 4mm x4mm 28-QFN púzdre.
Vlastnosti (SX8649)
Blokové zapojenie (SX8649)
Cena
12-channel:
SX8643 (order code: SX8643I05AWLTRT) - 0,94 USD
SX8644 (order code: SX8644I05AWLTRT) - 0,99 USD
SX8645 (order code: SX8645I05AWLTRT) - 1,02 USD
8-channel:
SX8646 (order code: Sx8646I05AULTRT) - 0,89 USD
SX8647 (order code: Sx8647I05AULTRT) - 0,93 USD
SX8648 (order code: Sx8648I05AULTRT) - 0,94 USD
SX8649 (order code: Sx8649I05AULTRT) - 0,98 USD
(ceny pre objednávky nad 3000 ks)
Odkazy
Semtech Capacitive Touch Controllers Products
Distribúcia
viď. Adresár
Táto novinka je z mikroZONE
( http://www.mikrozone.sk/news.php?extend.494 )
(Kategória: Semiconductor-ZONE)
Zaslal EdizonTN
08.04.2010-22:03
Ide o radu SX864x, čo sú 8 a 12 kanálové modely obsahujúce aj LED radič.
Čipy rady SX864x obsahujú 12-kanálové SX8643/44/45, zapúzdrené v 5mm x 5mm 32-QFN púzdre a
8-kanálové SX8646/47/48/49 ktoré sú schované v 4mm x4mm 28-QFN púzdre.
Vlastnosti (SX8649)
- Complete Eight Sensors Capacitive Touch Controller for Buttons and Wheel
- Pre-configured for 4 Buttons and a Wheel
- 8 LED Drivers with Individual Intensity, Fading Control and Autolight Mode
- 256 steps PWM Linear and Logarithmic control - High Resolution Capacitive Sensing
- Up to 100pF of Offset Capacitance Compensation at Full Sensitivity
- Capable of Sensing through Overlay Materials up to 5mm thick - Extremely Low Power Optimized for Portable Application
- 8uA (typ) in Sleep Mode
- 80uA (typ) in Doze Mode (Scanning Period 195ms)
- 175uA (typ) in Active Mode (Scanning Period 30ms) - Programmable Scanning Period from 15ms to 1500ms
- Auto Offset Compensation
- Eliminates False Triggers due to Environmental Factors (Temperature, Humidity)
- Initiated on Power-up and Configurable Intervals - Multi-Time In-Field Programmable Firmware Parameters for Ultimate Flexibility
-On-chip user programmable memory for fast, self contained start-up - "Smart" Wake-up Sequence for Easy Activation from Doze
- No External Components per Sensor Input
- Internal Clock Requires No External Components
- Differential Sensor Sampling for Reduced EMI
- 400 KHz Fast-Mode I²C Interface with Interrupt
- -40°C to +85°C Operation
Blokové zapojenie (SX8649)
Cena
12-channel:
SX8643 (order code: SX8643I05AWLTRT) - 0,94 USD
SX8644 (order code: SX8644I05AWLTRT) - 0,99 USD
SX8645 (order code: SX8645I05AWLTRT) - 1,02 USD
8-channel:
SX8646 (order code: Sx8646I05AULTRT) - 0,89 USD
SX8647 (order code: Sx8647I05AULTRT) - 0,93 USD
SX8648 (order code: Sx8648I05AULTRT) - 0,94 USD
SX8649 (order code: Sx8649I05AULTRT) - 0,98 USD
(ceny pre objednávky nad 3000 ks)
Odkazy
Semtech Capacitive Touch Controllers Products
Distribúcia
viď. Adresár
Táto novinka je z mikroZONE
( http://www.mikrozone.sk/news.php?extend.494 )