ADS7886SBDBVT Equivalent & Substitute Parts

Part Overview

The ADS7886SBDBVT is a 12-bit Analog to Digital Converter (ADC) manufactured by Texas Instruments, designed for single-ended input applications requiring low-power data acquisition. This SAR (Successive Approximation Register) architecture device operates across a supply voltage range of 2.35V to 5.25V with a 1 MHz sampling rate and SPI digital interface. The component is housed in a SOT-23-6 surface mount package and maintains Active product status with ROHS3 compliance.

Equivalent and substitute parts are identified when design requirements permit tolerance of specific parameter variations, including sampling rate, operating temperature range, supply voltage specifications, and packaging format, while maintaining core functional compatibility through identical resolution, input configuration, and interface protocol.

Substiute Parts

ADS7886SBDBVT

Texas InstrumentsIn Stock: 2212ADS7886SBDBVT Datasheet

Current PartRFQ

ADS7886SDBVT

Texas InstrumentsIn Stock: 65895ADS7886SDBVT Datasheet

Parametric EquivalentRFQ

AD7466BRTZ-R2

Analog Devices Inc.In Stock: 2128AD7466BRTZ-R2 Datasheet

MFR RecommendedRFQ

AD7466BRTZ-REEL7

Analog Devices Inc.In Stock: 1419AD7466BRTZ-REEL7 Datasheet

MFR RecommendedRFQ

AD7476SRTZ-500RL7

Analog Devices Inc.In Stock: 2330AD7476SRTZ-500RL7 Datasheet

MFR RecommendedRFQ

AD7476SRTZ-EP-RL7

Analog Devices Inc.In Stock: 3780AD7476SRTZ-EP-RL7 Datasheet

MFR RecommendedRFQ

AD7476SRTZ-R2

Analog Devices Inc.In Stock: 1609AD7476SRTZ-R2 Datasheet

MFR RecommendedRFQ

AD7476SRTZ-REEL7

Analog Devices Inc.In Stock: 3670AD7476SRTZ-REEL7 Datasheet

MFR RecommendedRFQ

AD7940BRJZ-REEL7

Analog Devices Inc.In Stock: 16294AD7940BRJZ-REEL7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ADS7886SBDBVT are classified based on the following substitution criteria:

Parametric Equivalent (Full Compatibility): Parts maintaining identical specifications across all critical parameters—12-bit resolution, 1 MHz sampling rate, single-ended input, SPI interface, SOT-23-6 package, and 2.35V–5.25V supply voltage range—qualify as direct parametric equivalents with no functional or electrical derating required.

Manufacturer Recommended Substitutes (Conditional Compatibility): Parts from alternative manufacturers (Analog Devices Inc.) that maintain 12-bit resolution, single-ended input configuration, SPI interface capability, and SOT-23-6 packaging but differ in one or more of the following parameters: sampling rate (200k to 600k vs. 1M), supply voltage range (1.6V–3.6V or 2.5V–5.5V vs. 2.35V–5.25V), or operating temperature range (-55°C to 125°C or -40°C to 85°C vs. -40°C to 125°C). These substitutes require design verification to confirm compatibility with the target application's voltage, temperature, and sampling rate requirements.

Resolution Upgrade Consideration: The AD7940BRJZ-REEL7 offers 14-bit resolution instead of 12-bit, representing a higher-resolution alternative suitable only when increased precision is acceptable and the application can accommodate the lower 100k sampling rate and narrower operating temperature range (-40°C to 85°C).

Parameter Comparison

Engineering Selection Recommendations

Direct Replacement (No Design Changes Required): The ADS7886SDBVT serves as a parametric equivalent to the ADS7886SBDBVT, maintaining identical electrical specifications and performance characteristics across all measured parameters. Both components carry Active product status and ROHS3 compliance, supporting seamless substitution in existing designs.

Conditional Substitution (Design Verification Required):

The AD7476 series (AD7476SRTZ-500RL7, AD7476SRTZ-EP-RL7, AD7476SRTZ-R2, AD7476SRTZ-REEL7) maintains supply voltage compatibility (2.35V–5.25V) and extended operating temperature range (-55°C to 125°C) but operates at 600k sampling rate instead of 1M. These parts are suitable for applications where the reduced sampling rate does not compromise system performance. All AD7476 variants carry ROHS3 compliance and Active product status.

The AD7466 series (AD7466BRTZ-R2, AD7466BRTZ-REEL7) operates at 200k sampling rate with reduced supply voltage range (1.6V–3.6V) and narrower operating temperature (-40°C to 85°C). Substitution requires confirmation that the application operates within these electrical and thermal constraints. Both variants maintain ROHS3 compliance and Active status.

Higher Resolution Alternative: The AD7940BRJZ-REEL7 provides 14-bit resolution with 100k sampling rate, suitable only for applications prioritizing measurement precision over sampling speed and operating within -40°C to 85°C temperature range with 2.5V–5.5V supply voltage. This component carries ROHS3 compliance and Active product status.

Frequently Asked Questions (FAQ)

Q: Can the ADS7886SDBVT replace the ADS7886SBDBVT without any circuit modifications?

A: Yes. The ADS7886SDBVT is a parametric equivalent maintaining identical 12-bit resolution, 1 MHz sampling rate, SPI interface, SOT-23-6 package, and 2.35V–5.25V supply voltage specifications. No design changes are required.

Q: What is the primary limitation when substituting AD7466 series parts for the ADS7886SBDBVT?

A: The AD7466 series operates at 200k sampling rate compared to the ADS7886SBDBVT's 1 MHz rate, representing a 5x reduction in conversion speed. Additionally, the supply voltage range is narrower (1.6V–3.6V vs. 2.35V–5.25V) and the operating temperature range is limited to -40°C to 85°C. Substitution is valid only when the application's sampling requirements and operating conditions align with these specifications.

Q: Are the AD7476 series parts suitable for high-speed sampling applications?

A: The AD7476 series operates at 600k sampling rate, which is 40% lower than the ADS7886SBDBVT's 1 MHz rate. These parts are suitable for applications where 600k samples per second meets the system requirements. The AD7476 series offers the advantage of extended operating temperature range (-55°C to 125°C) and maintains the 2.35V–5.25V supply voltage compatibility.

Q: What packaging format differences exist among the substitute parts?

A: The ADS7886SBDBVT and AD7466 series use Cut Tape (CT) & Digi-Reel® packaging, while the AD7476 series and AD7940BRJZ-REEL7 use Tape & Reel (TR) format. Both packaging formats are suitable for automated assembly; selection depends on procurement and manufacturing process requirements.

Q: Is the AD7940BRJZ-REEL7 a direct substitute for the ADS7886SBDBVT?

A: No. The AD7940BRJZ-REEL7 is a higher-resolution alternative offering 14-bit conversion instead of 12-bit, but operates at only 100k sampling rate and supports a narrower operating temperature range (-40°C to 85°C). This part is suitable only when increased measurement resolution is required and the reduced sampling rate is acceptable for the application.

Q: Do all substitute parts maintain RoHS3 compliance?

A: Yes. All listed substitute parts carry ROHS3 Compliant status and maintain Active product status, ensuring regulatory compliance and ongoing manufacturer support.

Q: Can I use an AD7476 part in place of an ADS7886SBDBVT in a 5 MHz sampling application?

A: No. The AD7476 series maximum sampling rate is 600k, which is insufficient for 5 MHz sampling requirements. The ADS7886SBDBVT or ADS7886SDBVT must be used for applications requiring 1 MHz or higher sampling rates.