Overview
The AD7989-1BRMZ-RL7 is an 18-bit, successive approximation, analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is part of the PulSAR® series and is designed for high precision and low power consumption. It operates from a single power supply and features a versatile serial interface port, making it suitable for a variety of applications requiring accurate and efficient analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7989-1BRMZ-RL7 |
| Package | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Number of Bits | 18 |
| Sampling Rate | 100 kSPS |
| Number of Inputs | 1 |
| Input Type | Differential |
| Data Interface | SPI, DSP |
| Configuration | S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Architecture | SAR (Successive Approximation) |
| Reference Type | External |
| Voltage - Supply, Analog | 2.375 V ~ 2.625 V |
| Voltage - Supply, Digital | 2.375 V ~ 2.625 V |
| Differential Nonlinearity (DNL) | −0.85 ± 0.5 + 1.5 LSB |
| Integral Nonlinearity (INL) | −2 ± 1 + 2 LSB |
| Power Consumption | Typically 700 µW at 100 kSPS |
| RoHS Status | ROHS3 Compliant |
Key Features
- High Precision: 18-bit resolution with low differential nonlinearity (DNL) and integral nonlinearity (INL) errors.
- Low Power Consumption: Typically consumes 700 µW at 100 kSPS, making it ideal for battery-powered applications.
- Versatile Interface: Supports SPI and DSP interfaces for flexible communication.
- On-Chip Track-and-Hold Amplifier: No pipeline delay or latency, suitable for multiple multiplexed channel applications.
- External Reference Voltage: Can be set independent of the supply voltage.
- Compact Packaging: Available in 10-lead MSOP and LFCSP packages for space savings and flexible configurations.
Applications
- Medical Devices: Suitable for medical imaging, patient monitoring, and other medical applications requiring high precision and low power consumption.
- Industrial Automation: Used in process control, data acquisition systems, and other industrial automation applications.
- Aerospace and Defense: Ideal for applications in aerospace and defense due to its high accuracy and reliability.
- Consumer Electronics: Can be used in various consumer electronics such as audio and video equipment, and other devices requiring precise analog-to-digital conversion.
Q & A
- What is the resolution of the AD7989-1BRMZ-RL7 ADC?
The AD7989-1BRMZ-RL7 has an 18-bit resolution.
- What is the sampling rate of the AD7989-1BRMZ-RL7?
The sampling rate is 100 kSPS.
- What type of input does the AD7989-1BRMZ-RL7 support?
The AD7989-1BRMZ-RL7 supports differential inputs.
- What is the power consumption of the AD7989-1BRMZ-RL7 at 100 kSPS?
Typically 700 µW at 100 kSPS.
- Is the AD7989-1BRMZ-RL7 RoHS compliant?
- What types of packages are available for the AD7989-1BRMZ-RL7?
It is available in 10-lead MSOP and LFCSP packages.
- What is the voltage supply range for the AD7989-1BRMZ-RL7?
The voltage supply range is 2.375 V ~ 2.625 V for both analog and digital supplies.
- Does the AD7989-1BRMZ-RL7 have an on-chip track-and-hold amplifier?
- What types of interfaces does the AD7989-1BRMZ-RL7 support?
The AD7989-1BRMZ-RL7 supports SPI and DSP interfaces.
- Can the AD7989-1BRMZ-RL7 be used in multiple multiplexed channel applications?
