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Name: ADS7809UB
Brand: Texas Instruments
SKU: ADS7809UB
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 ADS7809UB

Part No.:: ADS7809UB

Manufacturer:: Texas Instruments

Package:: 20-SOIC (0.295, 7.50mm Width)

Datasheet:: ADS7809UB.pdf

Description:: IC ADC 16BIT SAR 20SOIC

In Stock:: 3462

Quantity:: Add To Cart

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ADS7809UB Specifications

Packaging:
Tube
Series:
-
Product Status:
Active
Number of Bits:
16
Sampling Rate(PerSecond):
100k
Number of Inputs:
1
Input Type:
Single Ended
Data Interface:
SPI, DSP
Configuration:
S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
1
Architecture:
SAR
Reference Type:
External, Internal
Voltage-Supply Analog:
5V
Voltage-Supply Digital:
5V
Features:
-
Operating Temperature:
-40°C ~ 85°C

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ADS7809UB information

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ADS7809UB Typical application Circuitry

The ADS7809UB is a 16-bit, 40kHz, micro-power sampling Analog-to-Digital Converter (ADC) from Texas Instruments. It combines a low-drift voltage reference, a low-power 16-bit charge-redistribution ADC, and a high-speed serial interface on a single monolithic CMOS chip. Here's a general outline of the application circuit:

1. Power Supply: A single power source that can range from 2.7V to 5.5V is used to power the ADS7809UB. The ground should be linked to the AGND and DGND pins, and the power supply should be connected to the VDD pin.
2. Analog Input: The analog input is provided to the ADC through the IN+ and IN- pins. It is a differential input with a bipolar range.
3. Voltage Reference: The ADS7809UB has an integrated voltage reference. The VREF pin is used to set the reference voltage. To reduce noise, bypass capacitors should be connected between this pin and ground.
4. Digital Outputs: The digital data is sent out through the DOUT pin using a Serial Peripheral Interface (SPI). The ADS7809UB supports a unidirectional interface with the DOUT pin providing the conversion result. Providing a high to low transition on the CS pin initiates the conversion.
5. Clock Input: The ADS7809UB supports an external clock which is given to the SCLK pin. This clock controls the conversion as well as the serial data output rate.
6. Decoupling Capacitors: For noise reduction and stability of the power supply, decoupling capacitors should be used close to the VDD, AGND, and DGND pins.
For specifics, such as exact capacitor and resistor values, refer to the ADS7809UB datasheet. The datasheet will also provide comprehensive details about the device characteristics, potential limitations, and recommended application circuits. Always consult the datasheet while designing your circuit for optimal performance.

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6. What is the process for return or replacement of ADS7809UB?

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 ADS7809UB we delivered, we will accept the replacement or return of the ADS7809UB 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 ADS7809UB.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations