Part Number |
MP8820 |
Manufacturers |
Exar Corporation |
Logo |
|
Description |
8-Bit Analog-to-Digital Converter |
Datasheet |
MP8820 Datasheet (PDF) |
FEATURES
• Precision 7–Bit Plus Sign ADC • 8 Channel Analog Mux • Single Reference to GND • Input Referenced to User Supplied VMID • DNL= ±1/2 LSB, INL=± 1 LSB • Single Supply: 5 V • ESD Protection: 2000 V
MP8820
8-Bit Analog-to-Digital Converter with an 8-Channel MUX
APPLICATIONS • Servo Control • Low Cost Audio Control • Voice Acquisition
GENERAL DESCRIPTION
The MP8820 is a precision 1.6 MHz sampling 7-bit plus sign Analog-to-Digital Converter with an eight channel input mux and µP interface. The device has internal circuitry which receives the user supplied reference voltages VREF(+) and VREF(–), and generates the ADC reference voltages VMID (VREF(+) – VREF(–)). Since VREF(+) is internally buffered and VREF(–) is generally ground, this structure allows the user to easily generate an input range biased about a user-supplied VMID from a grounded reference source.
The internal ADC reference voltages are capable of swinging
to within 0.5 V of the supply rails, giving the MP8820 a w.