ADS8422IPFBRG4 Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock
Texas Instruments ADS8422 is a 16-bit, 4 MSPS successive-approximation ADC with ±4.096 V analog input range in a 48-pin PQFP package. Delivers 0.0092% maximum linearity error and 0.18 µs conversion time for high-speed precision data acquisition. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 48
- Lifecycle
- OBSOLETE
- Datasheet
- ADS8422IPFBRG4 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 ADS8422IPFBRG4?
- 16-bit resolution at 4 MSPS throughput rate with 0.18 µs maximum conversion time for high-speed signal digitization
- ±4.096 V analog input range with 0.0092% maximum linearity error ensuring precision measurement accuracy
- SAR architecture in 48-pin PQFP package with RoHS-compliant (JESD-609 e4) construction
What is ADS8422IPFBRG4 used for?
The ADS8422 is designed for high-speed, precision data acquisition systems such as medical imaging, industrial automation, and software-defined radio front ends. Its 4 MSPS throughput and 16-bit resolution make it suitable for digitizing wide-bandwidth analog signals in automated test equipment and vibration analysis instruments. The ±4.096 V input range and low linearity error also benefit precision motor current sensing and power quality monitoring applications.
What are the specifications of ADS8422IPFBRG4?
| YTEOL | 0 |
| Analog Input Voltage-Max | 4.096V |
| Analog Input Voltage-Min | -4.096 V |
| Conversion Time-Max | 0.18 µs |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | S-PQFP-G48 |
| JESD-609 Code | e4 |
| Linearity Error-Max (EL) | 0.0092% |
| Number of Analog In Channels | 1 |
| Number of Bits | 16 |
| Number of Functions | 1 |
| Output Bit Code | 2S COMPLEMENT BINARY |
| Output Format | PARALLEL, 8 BITS, PARALLEL, WORD |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP48,.35SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Sample Rate | 4MHz |
| Sample and Hold / Track and Hold | SAMPLE |
| Supply Current-Max | 27mA |
| Supply Voltage-Min | 2.7V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | 3A991.c.4 |
| HTS Code | 8542.39.00.30 |
| Country of Origin | Taiwan |
Where can I find the ADS8422IPFBRG4 datasheet?
ADS8422IPFBRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for ADS8422IPFBRG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What throughput rate and resolution does the ADS8422IPFBRG4 achieve in continuous conversion mode?
The ADS8422 delivers 16-bit resolution at a maximum throughput of 4 MSPS, with a conversion time of 0.18 µs per sample. This combination allows digitization of analog signals with bandwidths up to approximately 2 MHz while maintaining full 16-bit dynamic range, making it suitable for high-speed industrial and instrumentation data-acquisition channels.
How does the ±4.096 V input range of ADS8422 compare with lower-voltage ADCs in motor-drive current sensing?
The ±4.096 V bipolar analog input range allows direct connection to differential shunt amplifiers whose outputs span several volts, avoiding an additional level-shifting stage. With 0.0092% maximum linearity error and 16-bit depth, the ADS8422 resolves motor phase currents to better than 1.25 mV per LSB at full scale, improving torque control accuracy in servo drives compared with 12-bit or 14-bit converters.
What package does ADS8422IPFBRG4 use, and how does its footprint affect high-speed PCB layout?
The device uses a 48-pin PQFP package (JESD-30 code S-PQFP-G48) with 0.5 mm lead pitch. Routing the analog input traces as short differential pairs and placing a 0.1 µF bypass capacitor on each supply pin within 5 mm reduces supply noise coupling. The exposed leads on all four sides also simplify inspection and rework compared with BGA alternatives at the same pin count.
In what precision test or medical instrument scenarios is ADS8422 a strong fit?
Automated test equipment measuring AC signals up to 1 MHz benefits from the 4 MSPS rate and 16-bit accuracy, enabling THD measurements below -90 dBc. Medical ultrasound front ends that require digitizing echo bursts in the 1–3 MHz range also benefit, as the 0.18 µs conversion window captures each echo sample without aliasing artifacts across a ±4.096 V dynamic range.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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