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ADS7886SDBVT
Texas Instruments
IC ADC 12BIT SAR SOT23-6
65895 Pcs New Original In Stock
12 Bit Analog to Digital Converter 1 Input 1 SAR SOT-23-6
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ADS7886SDBVT
Product Overview
1229723
DiGi Electronics Part Number
ADS7886SDBVT-DGManufacturer
Texas Instruments
ADS7886SDBVT
Description
IC ADC 12BIT SAR SOT23-6Inventory
65895 Pcs New Original In Stock
12 Bit Analog to Digital Converter 1 Input 1 SAR SOT-23-6
Quantity
Minimum 1
Minimum 1
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ADS7886SDBVT Technical Specifications
Category
Data Acquisition, Analog to Digital Converters (ADC)
Packaging
Cut Tape (CT) & Digi-Reel®
Series
microPOWER™
Product Status
Active
Number of Bits
12
Sampling Rate (Per Second)
1M
Number of Inputs
1
Input Type
Single Ended
Data Interface
SPI
Configuration
S/H-ADC
Ratio - S/H:ADC
1:1
Number of A/D Converters
1
Architecture
SAR
Reference Type
Supply
Voltage - Supply, Analog
2.35V ~ 5.25V
Voltage - Supply, Digital
2.35V ~ 5.25V
Features
-
Operating Temperature
-40°C ~ 125°C
Package / Case
SOT-23-6
Supplier Device Package
SOT-23-6
Mounting Type
Surface Mount
Base Product Number
ADS7886
Datasheet & Documents
Manufacturer Product Page
ADS7886SDBVT Specifications
HTML Datasheet
ADS7886SDBVT-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
TEXTISADS7886SDBVT
-296-19307-1-DG
296-19307-2-DG
296-19307-1-DG
296-19307-2-NDR
2156-ADS7886SDBVT
296-19307-6-NDR
296-19307-2INACTIVE
296-19307-1INACTIVE
296-19307-2INACTIVE-NDR
296-19307-6-DG
296-ADS7886SDBVTCT
-ADS7886SDBVTINACTIVE
-ADS7886SDBVT-NDR
-296-19307-1
296-19307-6INACTIVE
296-19307-6
296-19307-1-NDR
-296-19307-1-NDR
296-19307-1
296-19307-2
296-ADS7886SDBVTTR
296-ADS7886SDBVTDKR
Standard Package
250
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Les produits de DiGi Electronics sont conçus avec soin, leur support après-vente est tout aussi performant.
de desembre 02, 2025
DiGi Electronics bietet zuverlässige Geräte mit einem erstklassigen Kundenservice, was für mich sehr wichtig ist.
de desembre 02, 2025
I appreciate their efforts to minimize waste and promote ecological responsibility.
de desembre 02, 2025
The support team is courteous, knowledgeable, and always eager to assist.
de desembre 02, 2025
DiGi Electronics has mastered the balance between affordability and packaging durability.
de desembre 02, 2025
Their support staff provided clear and helpful guidance throughout the purchasing process.
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Frequently Asked Questions (FAQ)
What are the key risks when replacing the MAX11100 with the ADS7886SDBVT in a high-temperature data acquisition design?
When substituting the MAX11100 with the ADS7886SDBVT, engineers must verify signal chain compatibility despite both being 12-bit, 1MSPS SAR ADCs. The ADS7886SDBVT uses a supply-referenced architecture, meaning its full-scale input range tracks the analog supply voltage—unlike the MAX11100’s internal reference—introducing potential gain drift if AVDD isn’t tightly regulated. Additionally, the ADS7886SDBVT operates reliably up to 125°C (same as MAX11100), but lacks an internal oscillator, relying on SPI clock timing to control conversion, increasing timing sensitivity in high-noise environments. To mitigate risks, use a low-noise LDO for AVDD and validate SPI clock stability across temperature in your layout when using the ADS7886SDBVT.
How does the SOT-23-6 package of the ADS7886SDBVT impact thermal and electrical performance in compact PCB designs?
The ADS7886SDBVT’s SOT-23-6 package limits heat dissipation due to high thermal resistance (~300°C/W), which can elevate junction temperature in densely packed or high-ambient environments—even at 1MSPS, its microPOWER™ design draws only ~1.5mA, minimizing self-heating. However, in multilayer boards with poor thermal vias, temperature rise may still affect offset and gain accuracy. Electrically, the small footprint helps reduce stray capacitance but increases sensitivity to PCB layout; keep ADC input traces short, use a solid ground plane, and separate analog and digital traces to avoid coupling noise into the single-ended input of the ADS7886SDBVT.
Can the ADS7886SDBVT reliably interface with 3.3V and 5V microcontrollers without level shifting?
Yes, the ADS7886SDBVT supports digital supply voltages from 2.35V to 5.25V, allowing direct interface with both 3.3V and 5V logic microcontrollers such as the STM32L4 or ATmega2560. However, ensure the MCU’s SPI output high level (VOH) exceeds the ADS7886SDBVT’s VIH (typically 0.7 × VDVDD). At lower VDVDD (e.g., 2.35V), even 3.3V logic may require a series resistor or level translator to avoid overstress. For robust operation, use a buffered SPI line with controlled slew rate and place a 100Ω series resistor near the ADS7886SDBVT's DIN pin to reduce ringing and EMI coupling.
What design challenges arise when using the supply-referenced ADC architecture of the ADS7886SDBVT in battery-powered systems?
In battery-operated systems, the ADS7886SDBVT’s supply-referenced architecture causes the full-scale input range to scale with AVDD, leading to measurement drift as the battery voltage drops from 4.2V to 3.0V (e.g., in Li-ion systems). This makes absolute voltage measurements inaccurate unless the system measures AVDD via a known reference or uses ratiometric sensor scaling (e.g., with strain gauges). To maintain accuracy, pair the ADS7886SDBVT with a stable voltage reference for critical channels or use digital post-processing to normalize ADC codes based on real-time supply voltage, especially in long-term sensor logging applications.
How does the lack of internal reference in the ADS7886SDBVT affect accuracy compared to the ADS8326 in precision sensing applications?
Unlike the ADS8326, which integrates a 2.048V internal reference for stable conversion, the ADS7886SDBVT relies on the analog supply as its reference, making it vulnerable to power supply noise and drift. In precision sensing (e.g., industrial current monitors), a noisy or unregulated AVDD introduces significant gain error and reduced effective resolution. To match ADS8326-level stability, condition the AVDD of the ADS7886SDBVT using a low-noise LDO (e.g., TPS7A47) and bypass with a 10µF X7R capacitor in parallel with 100nF ceramic close to the pin. This external reference approach increases BOM cost but enables the ADS7886SDBVT to achieve <1 LSB INL in controlled environments.
Quality Assurance (QC)
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ADS7886SDBVT CAD Models
Texas Instruments ADS7886SDBVT PCB symbols & footprints
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