Overview
The AD7490BCPZ-REEL7, produced by Analog Devices Inc., is a 12-bit, high-speed, low-power, 16-channel successive approximation analog-to-digital converter (ADC). This component is designed to operate from a single 2.7 V to 5.25 V power supply and features throughput rates up to 1 MSPS. It is particularly notable for its low power consumption and high-speed serial interface, making it suitable for a wide range of applications including multichannel system monitoring, battery-powered equipment, and data acquisition systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7490BCPZ-REEL7 |
| Package | 32-Lead LFCSP (5mm x 5mm w/ EP) |
| Number of Bits | 12 |
| Number of Analog In Channels | 16 |
| Input Type | Single Ended |
| Voltage - Supply, Analog | 2.7V ~ 5.25V |
| Voltage - Supply, Digital | 2.7V ~ 5.25V |
| Sampling Rate (Per Second) | Up to 1 MSPS |
| Data Interface | SPI, QSPI, MICROWIRE, DSP compatible |
| Operating Temperature | -40°C ~ 85°C |
| Architecture | Successive Approximation (SAR) |
| Power Consumption (Maximum) | 1.8 mA @ 3V, 2.5 mA @ 5V |
| Full Shutdown Current | 0.5 µA |
Key Features
- High-speed successive approximation ADC with up to 1 MSPS throughput rates.
- Low power consumption: 1.8 mA at 3 V and 2.5 mA at 5 V supplies.
- 16 single-ended analog inputs with a channel sequencer for sequential conversion.
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies over 1 MHz.
- No pipeline delays, allowing for precise and efficient conversion.
- Flexible power and serial clock speed management.
- Standard high-speed serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- VDRIVE function allows the serial interface to connect directly to either 3 V or 5 V processor systems.
- Full shutdown mode with a maximum current of 0.5 µA.
- AEC-Q100 qualified for automotive applications.
Applications
- Multichannel system monitoring.
- Battery-powered equipment.
- Power line monitoring.
- Data acquisition, instrumentation, and process control.
- Automotive applications due to AEC-Q100 qualification.
Q & A
- What is the AD7490BCPZ-REEL7's primary function?
The AD7490BCPZ-REEL7 is a 12-bit, high-speed, low-power, 16-channel successive approximation analog-to-digital converter (ADC).
- What is the operating voltage range of the AD7490BCPZ-REEL7?
The AD7490BCPZ-REEL7 operates from a single 2.7 V to 5.25 V power supply.
- How many analog input channels does the AD7490BCPZ-REEL7 have?
The AD7490BCPZ-REEL7 has 16 single-ended analog input channels.
- What is the maximum sampling rate of the AD7490BCPZ-REEL7?
The maximum sampling rate is up to 1 MSPS.
- What types of interfaces does the AD7490BCPZ-REEL7 support?
The AD7490BCPZ-REEL7 supports SPI, QSPI, MICROWIRE, and DSP compatible interfaces.
- What is the power consumption of the AD7490BCPZ-REEL7 at maximum throughput?
The power consumption is 1.8 mA at 3 V and 2.5 mA at 5 V supplies.
- Does the AD7490BCPZ-REEL7 have any pipeline delays?
No, the AD7490BCPZ-REEL7 does not have any pipeline delays.
- What is the full shutdown current of the AD7490BCPZ-REEL7?
The full shutdown current is 0.5 µA.
- Is the AD7490BCPZ-REEL7 qualified for automotive applications?
Yes, the AD7490BCPZ-REEL7 is AEC-Q100 qualified for automotive applications.
- What package types are available for the AD7490BCPZ-REEL7?
The AD7490BCPZ-REEL7 is available in a 32-lead LFCSP package.
