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Name: ADS7861EB
Brand: Texas Instruments
SKU: ADS7861EB
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments ADS7861EB

Part No.:: ADS7861EB

Manufacturer:: Texas Instruments

Package:: 24-SSOP (0.154, 3.90mm Width)

Datasheet:: ADS7861EB.pdf

Description:: IC ADC 12BIT SAR 24SSOP

In Stock:: 805

Quantity:: Add To Cart

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ADS7861EB Specifications

Packaging:
Tube
Series:
-
Product Status:
Active
Number of Bits:
12
Sampling Rate(PerSecond):
500k
Number of Inputs:
4
Input Type:
Differential
Data Interface:
SPI
Configuration:
MUX-S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
2
Architecture:
SAR
Reference Type:
External, Internal
Voltage-Supply Analog:
5V
Voltage-Supply Digital:
5V
Features:
Selectable Address, Simultaneous Sampling
Operating Temperature:
-40°C ~ 125°C

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ADS7861EB information

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The application and technological advancement of ADS7861EB in specific industries

ADS7861EB is a high-performance, low-power, 12-bit analog-to-digital converter (ADC) designed for precision measurement applications in various industries.

Application Scenario:

In the automotive industry, ADS7861EB plays a crucial role in automotive battery management systems (BMS) for electric vehicles (EVs).

System Design:

To implement a BMS using ADS7861EB, the following steps are essential:

1. Battery Voltage Monitoring:

Connect the battery voltage terminals to the input channels of ADS7861EB to monitor the voltage levels accurately. Ensure proper signal conditioning, such as voltage dividers or amplifiers, to handle the voltage range and maintain measurement precision.

2. Current Sensing:

Integrate current sensors, such as Hall-effect sensors or shunt resistors, with ADS7861EB to measure the battery current. Calibrate the sensors and ADC readings to obtain precise current measurements.

3. Temperature Monitoring:

Utilize temperature sensors, like thermistors or integrated temperature sensors, to monitor battery temperature. Connect these sensors to the ADC input channels for temperature measurement. Implement temperature compensation algorithms to ensure accurate readings.

4. State-of-Charge (SoC) Estimation:

Process the acquired voltage, current, and temperature data using appropriate algorithms to estimate the state-of-charge of the battery. ADS7861EB provides accurate analog-to-digital conversion, contributing to precise SoC calculations.

5. Communication Interface:

Implement communication interfaces, such as SPI or I2C, to transfer ADC data to the microcontroller or BMS controller for further processing and display. Configure the interface pins of ADS7861EB accordingly.

Benefits:

The integration of ADS7861EB in automotive BMS offers several advantages:

- High Accuracy: ADS7861EB provides 12-bit resolution and low integral non-linearity (INL) and differential non-linearity (DNL), ensuring precise analog-to-digital conversion for accurate battery parameter measurement.

- Low Power Consumption: The low-power design of ADS7861EB helps minimize energy consumption, extending the battery life of electric vehicles.

- Robust Performance: With built-in features like internal voltage reference and digital filters, ADS7861EB ensures reliable performance even in noisy automotive environments.

- Industry Compliance: ADS7861EB meets automotive industry standards for reliability, temperature range, and electromagnetic compatibility (EMC), making it suitable for automotive applications.

Considerations:

When designing the BMS circuit using ADS7861EB, it's crucial to consider:

- Input Signal Conditioning: Proper conditioning of voltage, current, and temperature signals to maintain measurement accuracy.

- System Calibration: Calibrate the ADC and sensor readings to compensate for offset and gain errors and ensure accurate battery parameter measurement.

- Noise Immunity: Implement filtering techniques and shield sensitive components to minimize noise interference and maintain signal integrity.

- Functional Safety: Design the BMS system to meet functional safety standards, such as ISO 26262, to ensure reliable operation and protect vehicle occupants and systems.

ADS7861EB FAQ

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6. What is the process for return or replacement of ADS7861EB?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the ADS7861EB we delivered, we will accept the replacement or return of the ADS7861EB only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of ADS7861EB.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations