Details

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BUY AD9243ASZ https://www.utsource.net/itm/p/4175897.html
Complete 14-Bit, 3.0 MSPS Monolithic A/D Converter

Parameter	Symbol	Min	Typical	Max	Unit	Conditions
Supply Voltage	VDD	4.75	5.0	5.25	V
Analog Input Range	VIN	-0.1	0.8	1.7	V	Differential
Sampling Rate	fS	65	125	200	MSPS
Power Consumption	IDD	100	140	180	mA	fS = 200 MSPS
SNR (Signal-to-Noise Ratio)	SNR	67	68	69	dB	fIN = 1 MHz, fS = 200 MSPS
SFDR (Spurious Free Dynamic Range)	SFDR	82	84	86	dBc	fIN = 1 MHz, fS = 200 MSPS
INL (Integral Nonlinearity)	INL	-1.5	0	+1.5	LSB	fIN = 1 MHz, fS = 200 MSPS
DNL (Differential Nonlinearity)	DNL	-0.5	0	+0.5	LSB	fIN = 1 MHz, fS = 200 MSPS
Analog Bandwidth	fA	200	250	300	MHz
Digital Output Format			CMOS
Operating Temperature	Toper	-40		85	°C

Instructions for Use:

1. Power Supply:

   • Ensure the supply voltage (VDD) is within the range of 4.75V to 5.25V.
   • Use a stable power supply to avoid noise and instability.

2. Analog Input:

   • The analog input voltage should be within the differential range of -0.1V to 1.7V.
   • For optimal performance, center the input signal around 0.8V.

3. Sampling Rate:

   • Set the sampling rate (fS) between 65 MSPS and 200 MSPS.
   • Higher sampling rates will increase power consumption.

4. Power Consumption:

   • The power consumption (IDD) will vary with the sampling rate. At 200 MSPS, expect a typical current draw of 140 mA.

5. Performance Metrics:

   • Monitor the SNR, SFDR, INL, and DNL to ensure the ADC is operating within specified parameters.
   • For best performance, use a clean, low-noise analog input signal.

6. Digital Output:

   • The digital output is in CMOS format. Ensure the digital logic levels are compatible with your system.

7. Temperature Range:

   • The device is designed to operate within the temperature range of -40°C to 85°C.

8. Layout and Grounding:

   • Use proper PCB layout techniques to minimize noise and crosstalk.
   • Ensure a solid ground plane and decoupling capacitors close to the power pins.

9. Storage and Handling:

   • Store the device in a dry, static-free environment.
   • Handle with care to avoid damage to the pins and package.

10. Testing:

    • Before integrating the AD9243ASZ into a larger system, test it using known signals to verify performance.

(For reference only)