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| 型号： | TS2043G-R16-R |
| 厂商： | UNISONIC TECHNOLOGIES CO LTD |
| 元件分类： | ADC |
| 英文描述： | 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| 封装： | 0.150 INCH, HALOGEN FREE, SSOP-16 |
| 文件页数： | 8/8页 |
| 文件大小： | 203K |
| 代理商： | TS2043G-R16-R |
TS2043
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
8 of 8
www.unisonic.com.tw
QW-R502-404.a
APPLICATION INFORMATION(Cont.)
OPERATION OF 16-CLOCKS
The typical operation of the UTC TS2043 is 24-clocks (three control bytes) per conversion. However the control
bits for the next conversion can be overlapped with current conversion for a faster conversion. Figure 3 shows the
timing of 16-Clocks per conversion.
/CS
DCLK
X/Y
SWITGH
DIN
BUSY
DOUT
(MSB)
(LSB)
0
11
(MSB)
11 10 9
ON
8
1
8
1
Figure 3. Timing of 16-clocks per Conversion
ANALOG INPUT
There are four channel inputs in the UTC TS2043. X+ and Y+ inputs are for touch panel measurement, 2 auxiliary
inputs are IN3 and IN4. The input to the A/D converter is selected via the four-channel multiplexer. (see Block
Diagram)
Input Channel
The input channel configuration of the UTC TS2043 is shown in Table V. The control bits are set via the DIN pin.
(see Control byte section). The selected channel is for A/D converter input. Please refer to Figure 5 for detailed
input channel multiplexer. For measuring X+ and Y+, Y switches and X switches are turned on respectively.
Reference Input
An external reference voltage source is needed for the UTC TS2043. The reference input sets the Analog-to-Digital
converter (ADC) input range. If the reference input is from the power supply directly, to avoid noise from power
supply, special care must be taken into consideration.
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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