| | 触摸屏控制器的IC型号、厂商、供应商、PDF资料： | |
|
| | | | | |
| IC型号 | 厂商 | PDF资料下载 | 供应商 | 说明 |
| AD7877 | ADI | | 查找供应商 |
- 4-wire touch screen interface
- LCD noise reduction feature (STOPACQ pin)
- Automatic conversion sequencer and timer
- User-programmable conversion parameters
- On-chip temperature sensor: −40°C to +85°C
- On-chip 2.5 V reference
|
- On-chip 8-bit DAC
- 3 auxiliary analog inputs
- 1 dedicated and 3 optional GPIOs
- 2 direct battery measurement channels (0.5 V to 5 V)
- 3 interrupt outputs
- Touch-pressure measurement
| |
| AD7873 | ADI | | 查找供应商 |
- 4-Wire touch screen interface
- On-chip temperature sensor:
–40°C to +85°C
- On-chip 2.5 V reference
- Direct battery measurement (0 V to 6 V)
- Touch-pressure measurement
- Specified throughput rate
of 125 kSPS |
- Single supply, VCC of 2.2 V to 5.25 V
- Ratiometric conversion
- High-speed sSerial interface
- Programmable
8- or 12-bit resolution
- One auxiliary analog input
| |
| AD7843 | ADI |  下载 | 查找供应商 |
- 4-wire touch screen interface
- Specified throughput rate of 125 kSPS
- Low power consumption:
1.37 mW max at 125 kSPS with VCC = 3.6 V
- Single supply, VCC of 2.2 V to 5.25 V
- Ratiometric conversion
|
- High speed serial interface
- Programmable 8-bit or 12-bit
resolution
- 2 auxiliary analog inputs
- Shutdown mode: 1 µA max
- 16-lead QSOP and TSSOP packages
| |
