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Details
| Topologie | Aufwärtswandler |
| IC-Revision | G |
Beschreibung
The TSC2046 is a next-generation version to the ADS7846 4-wire touch screen controller which supports a low-voltage I/O interface from 1.5V to 5.25V. The TSC2046 is 100% pin-compatible with the existing ADS7846, and will drop into the same socket. This allows for easy upgrade of current applications to the new version. The TSC2046 also has an on-chip 2.5V reference that can be used for the auxiliary input, battery monitor, and temperature measurement modes. The reference can also be powered down when not used to conserve power. The internal reference operates down to 2.7V supply voltage, while monitoring the battery voltage from 0V to 6V.The low power consumption of < 0.75mW typ at 2.7V (reference off), high-speed (up to 125kHz sample rate), and on-chip drivers make the TSC2046 an ideal choice for battery-operated systems such as personal digital assistants (PDAs) with resistive touch screens, pagers, cellular phones, and other portable equipment. The TSC2046 is available in TSSOP-16, QFN-16, and VFBGA-48 packages and is specified over the -40°C to +85°C temperature range.
Eigenschaften
- SAME PINOUT AS ADS7846
- 2.2V TO 5.25V OPERATION
- 1.5V TO 5.25V DIGITAL I/O
- INTERNAL 2.5V REFERENCE
- DIRECT BATTERY MEASUREMENT (0V TO 6V)
- ON-CHIP TEMPERATURE MEASUREMENT
- TOUCH-PRESSURE MEASUREMENT
- QSPI™ AND SPI™ 3-WIRE INTERFACE
- AUTO POWER-DOWN
- AVAILABLE IN TSSOP-16, QFN-16, AND VFBGA-48 PACKAGES
- APPLICATIONS PERSONAL DIGITAL ASSISTANTS
- PORTABLE INSTRUMENTS
- POINT-OF-SALE TERMINALS
- PAGERS
- TOUCH SCREEN MONITORS
- CELLULAR PHONES
Typische Anwendungen
- POINT-OF-SALE TERMINALS
- PAGERS
- CELLULAR PHONES
- PERSONAL DIGITAL ASSISTANTS
- TOUCH SCREEN MONITORS
- PORTABLE INSTRUMENTS
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | ISAT(A) | fres(MHz) | Montageart | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | Z @ 100 MHz(Ω) | Zmax(Ω) | Testbedingung Zmax | IR 2(mA) | RDC max.(mΩ) | Typ | Wicklungstyp | L(µH) | IR(A) | VR(V) | VT(V (AC)) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TPC SMT-Speicherdrossel, 1.25 A, 120 MHz | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TPC SMT-Speicherdrossel | Sättigungsstrom1.25 A | Eigenresonanzfrequenz120 MHz | MontageartSMT | – | – | – | – | – | – | – | Gleichstromwiderstand58 mΩ | – | – | Induktivität2.5 µH | Nennstrom1.45 A | – | – | ||||
 | WE-CBF SMT-Ferrit, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CBF SMT-Ferrit | – | – | MontageartSMT | – | – | – | Impedanz @ 100 MHz600 Ω | Maximale Impedanz800 Ω | Maximale Impedanz200 MHz | Nennstrom 21000 mA | Gleichstromwiderstand200 mΩ | TypHochstrom | – | – | Nennstrom0.8 A | – | – | ||||
 | WE-CNSW Stromkompensierter SMT Line Filter, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CNSW Stromkompensierter SMT Line Filter | – | – | MontageartSMT | – | – | – | Impedanz @ 100 MHz90 Ω | – | – | – | Gleichstromwiderstand300 mΩ | – | Wicklungstypbifilar | Induktivität0.131 µH | Nennstrom0.37 A | Nennspannung50 V | Prüfspannung125 V (AC) | ||||
 | WE-LHMI SMT Speicherdrossel, –, 64 MHz | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LHMI SMT Speicherdrossel | – | Eigenresonanzfrequenz64 MHz | MontageartSMT | Performance Nennstrom4.9 A | Sättigungsstrom 15.65 A | Sättigungsstrom @ 30%10.1 A | – | – | – | – | Gleichstromwiderstand42 mΩ | – | – | Induktivität1.5 µH | – | – | – |