AD7691BRMZ: Top Choice in United States (USA) Utsource Holding Company Limited

Description

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VDD	2.7		5.25	V	Power supply voltage
Reference Input Voltage	VREF	0		5	V	External reference input voltage
Conversion Time	tCONV		4.8		μs	Time to complete one conversion (at 2.7V)
Sampling Rate	fSAMP		200		kSPS	Maximum sampling rate
Input Range	VIN	0		5	V	Analog input range
Differential Nonlinearity	DNL	-0.5	0	+0.5	LSB	Maximum deviation from ideal step size
Integral Nonlinearity	INL	-3	0	+3	LSB	Maximum deviation from ideal transfer function
Offset Error	VOFF	-2	0	+2	mV	Maximum offset error
Gain Error	GERR	-0.1	0	+0.1	%	Maximum gain error
Temperature Coefficient	TCO	-5	0	+5	ppm/°C	Change in offset and gain errors with temperature
Operating Temperature	TOPR	-40		125	°C	Temperature range for operation
Storage Temperature	TSTG	-65		150	°C	Temperature range for storage
Package Type					24-lead SSOP	Package type

Power Supply:
- Connect the power supply (VDD) to a stable voltage between 2.7V and 5.25V.
- Ensure the ground (GND) is properly connected.
Reference Voltage:
- Connect the reference input (VREF) to a stable voltage between 0V and 5V.
- For best performance, use a low-noise reference source.
Analog Input:
- Connect the analog input signal to the appropriate input pins (AIN0 to AIN3).
- Ensure the input signal is within the specified range (0V to 5V).
Digital Interface:
- Use the SPI interface for communication.
- Connect the serial clock (SCLK), serial data out (SDO), and chip select (CS) pins to your microcontroller or digital system.
- Set the chip select (CS) low to initiate communication.
Conversion:
- Start a conversion by toggling the CS pin.
- The conversion time is approximately 4.8 μs at 2.7V supply.
- Read the conversion result from the SDO pin.
Temperature Considerations:
- Operate the device within the specified temperature range (-40°C to 125°C).
- Store the device within the storage temperature range (-65°C to 150°C).
Calibration:
- Perform system-level calibration to correct for offset and gain errors if necessary.
- Use the provided DNL and INL specifications to ensure accurate measurements.
Handling and Storage:
- Handle the device with care to avoid static discharge.
- Store the device in a dry, cool environment to prevent damage.

By following these instructions, you can ensure optimal performance and reliability of the AD7691BRMZ.

(For reference only)