Touch Keys >10
QMatrix™ Chips
QMatrix devices are digital charge-transfer (QT) ICs designed to detect touch using a scanned, passive matrix of electrode sets to achieve a large number of touch keys driven by a single chip.
| Part# | Suggested Alternative+ | Touch Input++ | Price Band | Packages | Temp (°C) | Eval Board |
| QT60160 | 16-ch | C | MFL32 | -40 to +85 | E6240 | |
| QT60168 | 16-ch | D | TQFP32 | -40 to +105 | E6248 | |
| QT60240 | 24-ch | C | MFL32 | -40 to +85 | E6240 | |
| QT60248 | 24-ch | D | TQFP32 | -40 to +105 | E6248 | |
| QT60326 | 32-ch | D | TQFP44 | -40 to +105 | E6486 | |
| QT60486 | 48-ch | D | TQFP44 | -40 to +105 | E6486 | |
+ These alternatives are less expensive and use simpler circuitry; they are therefore better for new designs. | ||||||
‡ Price Bands (100k drop price indications, in US$, FOB UK)
A: under $0.50 | B: $0.50 - $0.80 | C: $0.80 - $1.50 | D: over $1.50
