AS1531
ADC for signal processingAS1531
ADC for signal processing
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Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
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About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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AS1531 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
General Description The AS1530/AS1531 are low-power,8/4-channel, 400/300ksps, 12-bit analog-to-digital (A/D) converters specifically designed to operate with single-supply devices. Superior AC characteristics, very low power consumption, and highly-reliable packaging make these ultra small devices perfect for battery-powered remote-sensor and data-acquisition devices.2 Key Features Single-Supply Operation: - +4.5 to +5.5V (AS1530) - +2.7 to +3.6V (AS1531) Sampling Rate: - 400ksps (AS1530) - 300ksps (AS1531) Software-Configurable Analog Input Types: - 8-Channel Single-Ended - 8-Channel Pseudo Differential Referenced to COM - 4-Channel Pseudo Differential - 4-Channel Fully Differential Software-Configurable Input Range Internal +2.5V Reference Low-Current Operation: - 2.8mA @ 400ksps (AS1530) - 2.2mA @ 300ksps (AS1531) - 0.4mA in Reduced-Power Mode - 0.5µA in Full Power-Down Mode SPI/QSPI/Microwire/TMS320-Compatible 20-pin TSSOP PackageApplications The devices are ideal for remote sensors, data-acquisition and data-logging devices, pen-digitizers, process control, or any other space-limited A/D application with low power-consumption requirements.
Key Features
- Single-Supply Operation:
- - +4.5 to +5.5V (AS1530)
- - +2.7 to +3.6V (AS1531)
- Sampling Rate:
- - 400ksps (AS1530)
- - 300ksps (AS1531)
- Software-Configurable Analog Input Types:
- - 8-Channel Single-Ended
- - 8-Channel Pseudo Differential Referenced to COM
- - 4-Channel Pseudo Differential
- - 4-Channel Fully Differential
- Software-Configurable Input Range
- Internal +2.5V Reference
- Low-Current Operation:
- - 2.8mA @ 400ksps (AS1530)
- - 2.2mA @ 300ksps (AS1531)
- - 0.4mA in Reduced-Power Mode
- - 0.5µA in Full Power-Down Mode
- SPI/QSPI/Microwire/TMS320-Compatible
- 20-pin TSSOP Package
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Manufacturer | ams | Product Category ! | IC Chips |
Series | - | Packaging ! | Tube |
Package-Case | -40°C ~ 85°C | Input-Type | - |
Operating-Temperature | 20-TSSOP | Features | 12 Bits |
Supplier-Device-Package | 2.7 V ~ 3.6 V | Sampling-Rate-Per-Second | 2.7 V ~ 3.6 V |
Number-of-Bits | 1 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is AS1531?
The AS1531 is a multi-channel ambient light sensor IC designed by ams. It is ideal for applications requiring automatic display brightness adjustment based on ambient light conditions, such as smartphones, tablets, laptops, and automotive infotainment systems.
How Does AS1531 Work?
The AS1531 works by detecting ambient light intensity through its multiple channels and converting it into digital output signals. It utilizes internal algorithms to analyze the light data and dynamically adjust the display brightness to optimize visibility and power consumption.
How Many Pins does AS1531 have and What are the Functions of the Pinout Configuration?
The AS1531 is housed in a compact package, typically a small LGA or QFN package. The pinout configuration includes multiple pins for power supply, ground connections, and I2C/SPI communication interface for digital output and control.
What are the Pros and Cons of AS1531?
Pros:
- Automatic Brightness Adjustment: Enables automatic adjustment of display brightness based on ambient light levels, enhancing user experience and power efficiency.
- Compact Package: Space-efficient design suitable for compact electronic devices.
- Low Power Consumption: Optimizes power usage by dynamically controlling display brightness.
- Multiple Channels: Provides accurate ambient light detection through multiple sensing channels.
Cons:
- External Interface: May require additional components or circuitry for interface and control.
- Calibration: Requires proper calibration for optimal performance across different ambient light conditions.
Are There Any Equivalents/Alternatives to AS1531 for Recommendation?
Alternatives to the AS1531 include the TSL2584 from ams and the OPT3001 from Texas Instruments, both of which are multi-channel ambient light sensors with digital output and similar functionality.
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