AD7147A-1ACBZ500R7 Analog Devices Integrated Circuit (Other) In Stock
AD7147A-1ACBZ500R7 is a programmable capacitive touch controller IC from Analog Devices in a 25-ball VFBGA package. It supports up to 13 capacitance sensing inputs with on-chip CDC and operates from 1.71 V to 3.6 V supply. Suited for consumer touch interfaces, proximity detection, and industrial HMI panels.
- Manufacturer
- Analog Devices
- Package
- Other
- Pin Count
- 25
- Lifecycle
- OBSOLETE
- Datasheet
- AD7147A-1ACBZ500R7 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of AD7147A-1ACBZ500R7?
- Up to 13 capacitance-to-digital conversion inputs for flexible touch button and slider designs
- Integrated sigma-delta CDC achieving high resolution capacitance measurement for reliable touch detection
- Low 1.71 V to 3.6 V supply voltage enabling direct battery-powered operation
- I2C interface for simple connection to host microcontrollers with programmable thresholds
- 25-ball VFBGA package offering a tiny footprint for space-constrained touch-enabled devices
What is AD7147A-1ACBZ500R7 used for?
The AD7147A-1ACBZ500R7 is used in consumer electronics for capacitive button panels, scroll wheels, and proximity sensors on smartphones, tablets, and portable audio devices where reliable touch detection without physical buttons is required. It also serves industrial HMI front panels and home appliance control interfaces that benefit from sealed glass or plastic touch overlays. Its programmable sensitivity and I2C configuration interface allow fast adaptation across different panel materials and overlay thicknesses.
What are the specifications of AD7147A-1ACBZ500R7?
| Pbfree Code | No |
| Manufacturer Package Code | CB-25-3 |
| YTEOL | 0 |
| Consumer IC Type | CONSUMER CIRCUIT |
| JESD-30 Code | R-PBGA-B25 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 2.6V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | BALL |
| Terminal Pitch | 0.4mm |
| Terminal Position | BOTTOM |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Where can I find the AD7147A-1ACBZ500R7 datasheet?
AD7147A-1ACBZ500R7 Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for AD7147A-1ACBZ500R7?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many capacitive sensing inputs does the AD7147A-1ACBZ500R7 support, and what panel configurations does this allow?
The AD7147A-1ACBZ500R7 provides up to 13 capacitance sensing inputs, enabling designers to implement combinations of touch buttons, sliders, and proximity sensors on a single IC; a typical use case is a 10-button keypad plus 3-segment slider panel in a home appliance or portable audio device without additional touch controllers.
What supply voltage range does the AD7147A-1ACBZ500R7 require, and how does this suit battery-powered applications?
The device operates from 1.71 V to 3.6 V, making it directly compatible with single-cell Li-ion batteries discharging from 4.2 V through an LDO regulator, as well as AA alkaline and 3 V coin-cell supplies; the low minimum supply ensures continued touch detection even as the battery voltage approaches end-of-discharge.
Which communication interface does the AD7147A-1ACBZ500R7 use, and how is it configured for different overlay materials?
The AD7147A-1ACBZ500R7 uses an I2C serial interface operating up to 400 kHz, allowing the host microcontroller to program per-channel sensitivity thresholds, averaging filters, and calibration offsets to compensate for the dielectric constant and thickness of glass, plastic, or paint overlays ranging from 1 mm to several millimeters.
In what package does the AD7147A-1ACBZ500R7 come, and how does its size compare to SOIC alternatives?
The AD7147A-1ACBZ500R7 is housed in a 25-ball VFBGA package measuring approximately 3 mm x 3 mm, which is significantly smaller than an SOIC-16 footprint of roughly 10 mm x 6 mm, making it the preferred choice for ultra-compact wearable devices and miniaturized remote controls where PCB space is severely limited.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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