ADS2807Y/250 Equivalent & Substitute Parts

Part Overview

The ADS2807Y/250 is a 12-bit pipelined analog-to-digital converter manufactured by Texas Instruments, designed for data acquisition applications requiring simultaneous sampling of multiple input channels. This device features 2 differential or single-ended inputs with a 50 MHz sampling rate and operates across industrial temperature ranges. The part is currently in active production status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified when packaging or supply chain requirements necessitate alternative sourcing while maintaining identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Resolution (Bits)	12
Sampling Rate	50 MHz
Number of Inputs	2
Input Type	Differential, Single Ended
Architecture	Pipelined
Data Interface	Parallel
Analog Supply Voltage	5V
Digital Supply Voltage	3V ~ 5V
Operating Temperature Range	-40°C ~ 85°C
Package Type	64-PowerTQFP (10x10)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	3 (168 Hours)

Substitute Part Grouping Explanation

The ADS2807Y/250 and ADS2807Y/1K5 are parametric equivalents within the ADS2807 base product family. Substitution between these parts is valid based on the following criteria:

Electrical Parameters (Identical):

12-bit resolution
50 MHz sampling rate
2 input channels with differential and single-ended capability
Pipelined architecture with parallel data interface
5V analog supply and 3V–5V digital supply
Simultaneous sampling feature
External and internal reference support
Operating temperature range of -40°C to 85°C

Mechanical Parameters (Identical):

64-PowerTQFP package (10x10 mm)
Surface mount configuration
RoHS3 compliance
MSL 3 rating (168 hours)

Packaging Difference: The primary distinction is packaging format: ADS2807Y/250 is supplied in Cut Tape (CT), while ADS2807Y/1K5 is supplied in Tape & Reel (TR). This difference affects supply chain logistics and handling but does not alter electrical or mechanical compatibility.

Parameter Comparison

Parameter	ADS2807Y/250	ADS2807Y/1K5	Match
Manufacturer	Texas Instruments	Texas Instruments	✓
Resolution	12 Bit	12 Bit	✓
Sampling Rate	50M	50M	✓
Number of Inputs	2	2	✓
Input Type	Differential, Single Ended	Differential, Single Ended	✓
Data Interface	Parallel	Parallel	✓
Architecture	Pipelined	Pipelined	✓
Analog Supply	5V	5V	✓
Digital Supply	3V ~ 5V	3V ~ 5V	✓
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	✓
Package	64-PowerTQFP (10x10)	64-PowerTQFP (10x10)	✓
Mounting Type	Surface Mount	Surface Mount	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
MSL Rating	3 (168 Hours)	3 (168 Hours)	✓
Packaging Format	Cut Tape (CT)	Tape & Reel (TR)	Different

Engineering Selection Recommendations

Both ADS2807Y/250 and ADS2807Y/1K5 are active production devices with identical electrical and mechanical specifications. Selection between these parts should be based on supply chain and assembly requirements:

ADS2807Y/250 (Cut Tape): Suitable for lower-volume applications, prototype development, or situations where individual component handling is required. Cut tape packaging provides flexibility for manual or semi-automated assembly processes.

ADS2807Y/1K5 (Tape & Reel): Appropriate for high-volume production runs and fully automated assembly lines. Tape & Reel packaging optimizes material handling efficiency and reduces per-unit logistics costs in mass manufacturing environments.

Both parts maintain full RoHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across global markets. MSL 3 rating requires standard moisture control during storage and handling per IPC standards.

Frequently Asked Questions (FAQ)

Q: Can ADS2807Y/1K5 be used as a direct replacement for ADS2807Y/250 in circuit design?

A: Yes. Both parts are electrically and mechanically identical. The only difference is packaging format (Cut Tape vs. Tape & Reel), which does not affect circuit performance, pinout, or electrical characteristics.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) supplies individual components on carrier tape, typically in smaller quantities suitable for prototyping or low-volume assembly. Tape & Reel (TR) supplies components on continuous reel format, optimized for automated pick-and-place assembly in high-volume production. Both formats contain the same component with identical specifications.

Q: Are there any PCB layout or footprint differences between these parts?

A: No. Both parts use the 64-PowerTQFP (10x10 mm) package with identical pinout and footprint. PCB designs are fully interchangeable.

Q: Do both parts require the same moisture handling procedures?

A: Yes. Both parts carry MSL 3 rating (168 hours), requiring identical moisture control protocols during storage, handling, and assembly per IPC-A-610 standards.

Q: Which part should be selected for a new design?

A: Selection depends on production volume and assembly capability. For prototype or low-volume applications, ADS2807Y/250 is appropriate. For production volumes exceeding 1000 units with automated assembly, ADS2807Y/1K5 offers cost and logistics advantages.

Q: Are both parts available with the same lead time?

A: Lead times depend on current inventory and supplier allocation. ADS2807Y/250 currently has 1544 units in stock, while ADS2807Y/1K5 has 751 units available. Verify current availability with your supplier for project-specific timelines.

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