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ADS7843 pdf datasheet (TOUCH S
消耗积分:10 |
格式:rar |
大小:333 |
2008-12-19
王静
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The ADS7843 is a 12-bit sampling analog-to-digital
converter (ADC) with a synchronous serial interface
and low on-resistance switches for driving touch
screens. Typical power dissipation is 750mW at a
125kHz throughput rate and a +2.7V supply. The
reference voltage (VREF) can be varied between 1V and
+VCC, providing a corresponding input voltage range
of 0V to VREF. The device includes a shutdown mode
which reduces typical power dissipation to under
0.5mW. The ADS7843 is guaranteed down to 2.7V
operation.
Low power, high speed, and on-board switches make
the ADS7843 ideal for battery operated systems such
as personal digital assistants with resistive touch screens
and other portable equipment. The ADS7843 is available
in a 16-lead SSOP package and is guaranteed
over the –40°C to +85°C temperature range.
converter (ADC) with a synchronous serial interface
and low on-resistance switches for driving touch
screens. Typical power dissipation is 750mW at a
125kHz throughput rate and a +2.7V supply. The
reference voltage (VREF) can be varied between 1V and
+VCC, providing a corresponding input voltage range
of 0V to VREF. The device includes a shutdown mode
which reduces typical power dissipation to under
0.5mW. The ADS7843 is guaranteed down to 2.7V
operation.
Low power, high speed, and on-board switches make
the ADS7843 ideal for battery operated systems such
as personal digital assistants with resistive touch screens
and other portable equipment. The ADS7843 is available
in a 16-lead SSOP package and is guaranteed
over the –40°C to +85°C temperature range.
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