PARALLEL, 8 BITS, PARALLEL, 4 BITS, PARALLEL, WORD
Package Body Material:
PLASTIC/EPOXY
Package Code:
DIP
Package Equivalence Code:
DIP24,.3
Package Shape:
RECTANGULAR
Package Style:
IN-LINE
Qualification Status:
Not Qualified
Sample Rate:
0.333 MHz
Sample and Hold / Track and Hold:
SAMPLE
Seated Height-Max:
5.08 mm
Supply Voltage-Nom:
5 V
Surface Mount:
NO
Technology:
CMOS
Temperature Grade:
COMMERCIAL
Terminal Finish:
NICKEL PALLADIUM GOLD
Terminal Form:
THROUGH-HOLE
Terminal Pitch:
2.54 mm
Terminal Position:
DUAL
Width:
7.62 mm
ADS7800JP Frequently Asked Questions (FAQs)
Texas Instruments recommends a 4-layer PCB with a dedicated analog ground plane, and to keep the analog and digital signals separate. The analog input traces should be short and direct, and the digital output traces should be routed away from the analog inputs. Additionally, decoupling capacitors should be placed close to the device's power pins.
To minimize EMI, it is recommended to use a low-inductance path for the digital outputs, such as a PCB trace with a low impedance. Additionally, a series resistor (e.g., 22-33 ohms) can be added to the digital output pins to reduce the signal edge rate and minimize EMI. Shielding and grounding of the digital output cables can also help reduce EMI.
The maximum sampling rate of the ADS7800JP is 100 kSPS. However, the power consumption increases with the sampling rate. At 100 kSPS, the typical power consumption is around 35 mW. To reduce power consumption, a lower sampling rate can be used, but this may affect the converter's performance and accuracy.
The ADS7800JP has an internal calibration circuit that can be used to calibrate the device. The calibration process involves applying a known input voltage and adjusting the internal calibration registers to achieve the best possible accuracy. The calibration process should be performed at the operating temperature range and with the same power supply voltage as the application.
The ADS7800JP's performance and accuracy can be affected by temperature. The device's offset error, gain error, and linearity error can all vary with temperature. The device is specified to operate over a temperature range of -40°C to 85°C, and the typical temperature coefficient is around 0.1 ppm/°C. To minimize the effects of temperature, it is recommended to use a temperature sensor and compensate for temperature variations in the application.
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ADS7800JP Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
