Details

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BUY ADS7958QDBTRQ1 https://www.utsource.net/itm/p/7264152.html
Quad Channel Single ADC SAR 1Msps 8-bit Serial Automotive 30-Pin TSSOP T/R

Parameter	Description	Min	Typ	Max	Unit
Supply Voltage (VDD)	Operating supply voltage range	2.7	-	5.25	V
Analog Input Voltage Range	Range for analog input signals	0	-	VDD	V
Conversion Time	Time required to complete a conversion	-	1.6	-	μs
Resolution	Number of bits in the ADC output	-	12	-	bits
Differential Non-Linearity (DNL)	Maximum deviation from ideal step size between any two adjacent codes	-1	-	+1	LSB
Integral Non-Linearity (INL)	Maximum deviation of the transfer function from a straight line	-4	-	+4	LSB
Signal-to-Noise Ratio (SNR)	Ratio of signal power to noise power	-	85	-	dB
Power Consumption	Typical power consumption at 3.3V supply	-	2.5	-	mA
Operating Temperature Range	Range of temperatures over which the device is guaranteed to operate	-40	-	125	°C

Instructions for Using the ADS7958QDBTRQ1

1. Power Supply:

   • Ensure the supply voltage (VDD) is within the specified range of 2.7V to 5.25V.
   • Connect the ground (GND) pin to a stable ground reference.

2. Analog Input:

   • Connect the analog input signals to the appropriate input pins.
   • Ensure the input voltage does not exceed the supply voltage (VDD).

3. Conversion Control:

   • Use the appropriate control signals (e.g., CS, CONVST) to initiate conversions.
   • The conversion time is typically 1.6 μs, so ensure sufficient time is allowed for each conversion.

4. Data Output:

   • Read the 12-bit digital output from the data pins (D0-D11).
   • The output data is available after the conversion is complete.

5. Configuration:

   • Configure any additional settings (e.g., mode selection, reference voltage) as needed using the control registers or external components.

6. Temperature Considerations:

   • Ensure the operating temperature is within the range of -40°C to 125°C.
   • Monitor the temperature if operating in extreme conditions to avoid performance degradation.

7. Power Management:

   • To minimize power consumption, use the device in low-power modes when possible.
   • Power down the device when it is not in use to save energy.

8. Signal Integrity:

   • Use proper PCB layout techniques to minimize noise and crosstalk.
   • Place decoupling capacitors close to the power supply pins to ensure stable operation.

9. Testing and Validation:

   • Perform initial testing with known input signals to verify the correct operation of the ADC.
   • Use diagnostic features (if available) to monitor and troubleshoot the device.

(For reference only)