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Name: AD7988-5BRMZ-RL7
Brand: Analog Devices Inc.
SKU: AD7988-5BRMZ-RL7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc. AD7988-5BRMZ-RL7

Part No.:: AD7988-5BRMZ-RL7

Manufacturer:: Analog Devices Inc.

Package:: 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)

Datasheet:: AD7988-5BRMZ-RL7.pdf

Description:: IC ADC 16BIT SAR 10MSOP

In Stock:: 2379

Quantity:: Add To Cart

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AD7988-5BRMZ-RL7 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
PulSAR®
Product Status:
Active
Number of Bits:
16
Sampling Rate(PerSecond):
500k
Number of Inputs:
1
Input Type:
Pseudo-Differential
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
Voltage-Supply Analog:
2.375V ~ 2.625V
Voltage-Supply Digital:
2.375V ~ 2.625V
Features:
-
Operating Temperature:
-40°C ~ 125°C

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AD7988-5BRMZ-RL7 information

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AD7988-5BRMZ-RL7 Typical application Circuitry

AD7988-5BRMZ-RL7

The AD7988-5BRMZ-RL7 is an analog-to-digital converter (ADC) chip, known for its precision and low power consumption. It belongs to the PulSAR® family of ADCs, designed for applications requiring high accuracy and low power, such as battery-powered devices, medical instruments, and industrial process control systems.

Key Features:

- Resolution: The AD7988-5BRMZ-RL7 chip offers a 16-bit resolution, providing a high level of accuracy in converting analog signals to digital data.

- Sampling Rate: It has a maximum sampling rate of 1 MSPS (Mega Samples Per Second), making it suitable for capturing fast-changing signals.

- Low Power Consumption: The ADC is designed for low power operation, consuming only 7 mW at the maximum sampling rate, which is ideal for battery-operated devices.

- Input Range: The AD7988-5 version has an input range of 0 to VREF (Reference Voltage), allowing for flexible signal conditioning.

Application Scenario: Battery-Powered Sensor Node

In a battery-powered sensor node, the AD7988-5BRMZ-RL7 can be used for precise measurement of environmental parameters such as temperature, humidity, or pressure. Here's how you can design a circuit with this ADC:

1. Power Supply: Ensure a stable and clean power supply to the ADC, as fluctuations can affect its accuracy. Use a low-noise LDO (Low Dropout Regulator) to provide a steady 3.3V to the VDD pin (Pin 14).

2. Reference Voltage: Connect a precision voltage reference to the VREF pin (Pin 16) to set the input voltage range. A 2.5V reference can be used for a 0-2.5V input range.

3. Input Signal Conditioning: If the sensor output needs scaling or filtering, use an operational amplifier or a passive RC filter circuit before connecting it to the VIN+ (Pin 9) and VIN- (Pin 10) pins.

4. Clock Source: Provide a stable clock signal to the CNV (Convert) pin (Pin 15) to control the sampling rate. A microcontroller can generate this signal, with timing adjusted according to the desired sampling rate.

5. Data Interface: Connect the SDO (Serial Data Output) pin (Pin 1) to the microcontroller's SPI (Serial Peripheral Interface) for data transfer. Ensure proper timing and synchronization between the ADC and the microcontroller.

6. Grounding and Decoupling: Use proper grounding techniques and place decoupling capacitors close to the power supply pins to minimize noise and ensure accurate measurements.

7. Thermal Management: Although the AD7988-5BRMZ-RL7 has low power consumption, ensure adequate heat dissipation if the circuit is enclosed, to maintain stable operation.

8. PCB Layout: Pay attention to the PCB layout, keeping analog and digital sections separate, and using short, direct traces for critical connections to reduce noise and parasitic effects.

By carefully designing the circuit and considering these aspects, the AD7988-5BRMZ-RL7 can provide precise and reliable data conversion in battery-powered sensor nodes, enhancing the performance and efficiency of the system.

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6. What is the process for return or replacement of AD7988-5BRMZ-RL7?

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(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 AD7988-5BRMZ-RL7.

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

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