ADS7822EB/250G4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
ADS7822EB/250G4 is a 12-bit, single-channel successive-approximation ADC by Texas Instruments in an MSOP-8 package. Key specs: 3.6V maximum analog input, 10 µs maximum conversion time, 0.0244% max linearity error. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- ADS7822EB/250G4 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 ADS7822EB/250G4?
- 12-bit successive-approximation ADC with single analog input channel and 10 µs maximum conversion time
- 0.0244% maximum linearity error enables precision measurement in instrumentation and data acquisition systems
- Compact MSOP-8 package with 3.6V maximum analog input supports 3.3V system integration without signal attenuation
What is ADS7822EB/250G4 used for?
The ADS7822EB/250G4 is well suited for precision data acquisition systems, portable medical instruments, and industrial sensor digitization where a single-channel 12-bit ADC with low linearity error is required. Its 10 µs maximum conversion time supports sampling rates sufficient for audio-band signal monitoring and slow process control loops. The compact MSOP-8 footprint integrates easily into mixed-signal PCBs alongside microcontrollers and operational amplifiers on space-constrained boards.
What are the specifications of ADS7822EB/250G4?
| YTEOL | 0 |
| Analog Input Voltage-Max | 3.6V |
| Conversion Time-Max | 10 µs |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e4 |
| Linearity Error-Max (EL) | 0.0244% |
| Number of Analog In Channels | 1 |
| Number of Bits | 12 |
| Number of Functions | 1 |
| Output Bit Code | BINARY |
| Output Format | SERIAL |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Sample Rate | 0.2MHz |
| Sample and Hold / Track and Hold | SAMPLE |
| Supply Voltage-Min | 4.75V |
| Supply Voltage-Nom | 2.7V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD SILVER |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| HTS Code | 8542.39.00.30 |
Where can I find the ADS7822EB/250G4 datasheet?
ADS7822EB/250G4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for ADS7822EB/250G4?
Compatible alternatives and drop-in replacements for ADS7822EB/250G4:
12-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDSO8
Frequently Asked Questions
How fast can ADS7822EB/250G4 sample an analog signal and what does this mean for audio applications?
The ADS7822EB/250G4 has a maximum conversion time of 10 µs, corresponding to a maximum sample rate of approximately 100 kSPS. For audio applications using the Nyquist criterion, this supports signal bandwidths up to 50 kHz, covering the full 20 Hz to 20 kHz audible range with margin. The 12-bit resolution provides 72 dB theoretical dynamic range, which is adequate for voice recording and low-fidelity audio digitization applications where CD-quality 96 dB SNR is not required.
What is the linearity accuracy of ADS7822EB/250G4 and which precision measurement tasks benefit from it?
The ADS7822EB/250G4 specifies a maximum integral linearity error (INL) of 0.0244%, equivalent to approximately 1 LSB at 12-bit resolution. This accuracy level suits thermocouple digitization, pressure sensor signal chains, and battery state-of-charge estimation where measurement errors below 0.05% are acceptable. Applications requiring better than 0.01% linearity — such as calibration reference instruments — would need a 14-bit or 16-bit ADC with tighter INL specification.
For a 3.3V microcontroller system, can ADS7822EB/250G4 accept analog inputs directly without level translation?
The ADS7822EB/250G4 accepts analog input voltages up to 3.6V, which is compatible with the 0V to 3.3V output range of 3.3V-powered sensors and signal conditioning circuits. No level translation or signal attenuation is needed when interfacing with 3.3V analog sources, simplifying the signal chain to the ADC. For 5V analog sources, a resistor divider or rail-to-rail op-amp buffer configured with a gain below unity is required to scale the signal within the 3.6V input limit.
What SPI interface characteristics does ADS7822EB/250G4 use and how does this affect MCU selection?
The ADS7822EB/250G4 communicates via a serial SPI-compatible interface with a 4-wire connection (CS, CLK, DIN, DOUT), clocked at up to 5 MHz to meet the 10 µs conversion time budget. Any microcontroller with a hardware SPI peripheral — including 8-bit PIC, AVR, and 32-bit ARM Cortex-M devices — can directly drive the ADS7822 without bit-banging. The MSOP-8 package hosts the device in less than 15 mm² of board area, making it easy to place adjacent to the MCU on compact sensor boards.
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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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