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Name: AD977ABRS
Brand: Analog Devices Inc.
SKU: AD977ABRS
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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Analog Devices Inc. AD977ABRS

Part No.:: AD977ABRS

Manufacturer:: Analog Devices Inc.

Package:: 28-SSOP (0.209, 5.30mm Width)

Datasheet:: AD977ABRS.pdf

Description:: IC ADC 16BIT SAR 28SSOP

In Stock:: 2791

Quantity:: Add To Cart

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AD977ABRS Specifications

Packaging:
Tube
Series:
-
Product Status:
Obsolete
Number of Bits:
16
Sampling Rate(PerSecond):
200k
Number of Inputs:
1
Input Type:
Single Ended
Data Interface:
SPI
Configuration:
ADC
Ratio-S/H:ADC:
-
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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AD977ABRS information

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AD977ABRS Typical application Circuitry

AD977ABRS

AD977ABRS is a 16-bit, high-speed analog-to-digital converter (ADC) chip designed by Analog Devices. It is capable of sampling analog signals at a rate of up to 1 MSPS (Mega Samples Per Second) and converting them to digital form with a resolution of 16 bits. This chip is widely utilized in many different applications, including industrial control systems, medical imaging, and data collecting systems.

Application Scenario: AD977ABRS can be used in a data acquisition system to convert analog signals from sensors into digital form for further processing by a microcontroller or a computer.

Circuit Connection:

1. VREF and REFCAP:

- The reference voltage (VREF) pin of AD977ABRS should be connected to a stable voltage source that defines the full-scale range of the ADC. To remove noise from the reference voltage, the REFCAP pin needs to be linked to a capacitor that is grounded.

2. Analog Input:

- The analog input signal should be connected to the IN+ and IN- pins of the AD977ABRS. To enhance the ADC's noise performance, differential input is utilized on these pins.

3. Digital Output:

- The digital output pins (D0 to D15) of AD977ABRS should be connected to the corresponding input pins of the microcontroller or computer that will receive the digital data.

4. Clock Input:

- The CLKIN pin of AD977ABRS should be connected to a clock signal that will be used to sample the analog input. The ADC's sampling rate is determined by the clock signal's frequency.

5. Control Pins:

- The corresponding control pins of the microcontroller or computer should be linked to the CS (Chip Select), RD (Read), and CONVST (Conversion Start) pins. The ADC's operation is managed by means of these pins.

Design Considerations:

When designing a circuit with AD977ABRS, there are several important factors to consider:

1. Power Supply:

- The power supply voltage should be stable and within the specified range for the AD977ABRS to ensure accurate conversion.

2. Signal Conditioning:

- The analog input signal should be properly conditioned to match the full-scale range of the ADC. This may include amplification or attenuation of the signal, as well as filtering to remove noise.

3. Clock Jitter:

- The clock signal should have low jitter to ensure accurate sampling of the analog input signal.

4. Data Interface:

- The digital interface between the AD977ABRS and the microcontroller or computer should be carefully designed to ensure that the digital data is correctly transferred without errors.

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6. What is the process for return or replacement of AD977ABRS?

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 AD977ABRS we delivered, we will accept the replacement or return of the AD977ABRS 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 AD977ABRS.

(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