ChongMing Group (HK) Int'l Co., Ltd
CHONGMING GROUP (HK) INT'L CO., LTD.
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ADS7824P Integrated Circuit Chip 4 Channel, 12-Bit Sampling CMOS A/D Converter
FEATURES
● 25µs max SAMPLING AND CONVERSION
● SINGLE +5V SUPPLY OPERATION
● PIN-COMPATIBLE WITH 16-BIT ADS7825
● PARALLEL AND SERIAL DATA OUTPUT
● 28-PIN 0.3" PLASTIC DIP AND SOIC
● ±0.5 LSB max INL AND DNL
● 50mW max POWER DISSIPATION
● 50µW POWER DOWN MODE
● ±10V INPUT RANGE, FOUR CHANNEL MULTIPLEXER
● CONTINUOUS CONVERSION MODE
DESCRIPTION
The ADS7824 can acquire and convert 12 bits to within ±0.5 LSB in 25µs max while consuming only 50mW max.
Laser-trimmed scaling resistors provide the standard industrial ±10V input range and channelto-channel matching of ±0.1%.
The ADS7824 is a low-power 12-bit sampling A/D with a four channel input multiplexer, S/H, clock, reference,
and a parallel/serial microprocessor interface.
It can be configured in a continuous conversion mode to sequentially digitize all four channels.
The 28-pin ADS7824 is available in a plastic 0.3" DIP and in a SOIC, both fully specified for operation
over the industrial –40°C to +85°C range.
| Mounting Style: | Through Hole |
| Package / Case: | PDIP-28 |
| Resolution: | 12 bit |
| Number of Channels: | 4 Channel |
| Sampling Rate: | 40 kS/s |
| Input Type: | Single-Ended |
| Interface Type: | Parallel, Serial, SPI |
| Architecture: | SAR |
| Reference Type: | External, Internal |
| Analog Supply Voltage: | 4.75 V to 5.25 V |
| Digital Supply Voltage: | 4.75 V to 5.25 V |
| SNR - Signal to Noise Ratio: | 73 dB |
| Minimum Operating Temperature: | -40 |
| Maximum Operating Temperature: | 80 |
| Number of Converters: | 1 Converter |
| Operating Supply Voltage: | 5V |
| Pd - Power Dissipation: | 50 mW |