DAC7616E Equivalent & Substitute Parts

Part Overview

The DAC7616E is a 12-bit digital-to-analog converter (DAC) manufactured by Texas Instruments, featuring four independent D/A conversion channels in a 20-SSOP surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The DAC7616E operates with external voltage references and provides SPI digital interface compatibility, making it suitable for applications requiring multi-channel analog output generation from digital control signals.

Substiute Parts

DAC7616E

Texas InstrumentsIn Stock: 1147DAC7616E Datasheet

Current PartRFQ

MAX5501BGAP+

Analog Devices Inc./Maxim IntegratedIn Stock: 1224MAX5501BGAP+ Datasheet

MFR RecommendedRFQ

DAC7617E

Texas InstrumentsIn Stock: 1568DAC7617E Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the DAC7616E are qualified based on the following critical parameters that determine functional and mechanical compatibility:

Core Functional Parameters:

• 12-bit resolution with 4 independent D/A converters
• Voltage-buffered output configuration
• SPI digital interface protocol
• External voltage reference requirement
• 3V to 3.6V dual supply voltage range (analog and digital)
• ±2 LSB maximum INL and ±1 LSB maximum DNL linearity specifications
• R-2R converter architecture

Mechanical Compatibility:

• 20-SSOP package footprint (0.209" width, 5.30mm)
• Surface mount mounting type

Substitute parts must maintain all functional parameters and package specifications to ensure direct replacement capability without circuit redesign.

Parameter Comparison

Engineering Selection Recommendations

MAX5501BGAP+ (Primary Substitute): The MAX5501BGAP+ is the manufacturer-recommended substitute for the DAC7616E. This part maintains all critical functional parameters including 12-bit resolution, 4-channel configuration, SPI interface, and identical supply voltage specifications. The MAX5501BGAP+ offers extended operating temperature range (-40°C to 105°C versus -40°C to 85°C) and superior moisture sensitivity rating (MSL 1 versus MSL 3), providing enhanced reliability for production environments. The settling time specification of 16µs (typical) represents a minor increase from the DAC7616E's 10µs specification but remains within acceptable performance margins for most applications. Active product status ensures long-term availability and supply chain continuity. ROHS3 compliance and REACH unaffected status maintain regulatory alignment.

DAC7617E (Parametric Equivalent): The DAC7617E serves as a parametric equivalent within the Texas Instruments product family, maintaining identical functional specifications and operating temperature range as the DAC7616E. This part is classified as discontinued at DiGi Electronics, limiting its suitability for new production designs despite technical equivalence. The DAC7617E retains the same MSL 3 moisture sensitivity rating and settling time characteristics as the original DAC7616E.

For new designs and production continuity, the MAX5501BGAP+ is the recommended selection due to active product status and enhanced environmental specifications.

Frequently Asked Questions (FAQ)

Q: Can the MAX5501BGAP+ directly replace the DAC7616E without circuit modifications?

A: Yes. The MAX5501BGAP+ maintains identical functional parameters across all critical specifications: 12-bit resolution, 4-channel configuration, SPI interface, external reference requirement, and 3V to 3.6V supply voltage range. The 20-SSOP package footprint is identical, enabling direct PCB-level substitution without layout changes.

Q: What is the significance of the settling time difference between DAC7616E (10µs) and MAX5501BGAP+ (16µs)?

A: The MAX5501BGAP+ settling time of 16µs (typical) represents a 6µs increase from the DAC7616E specification. This difference affects the maximum conversion rate and output stabilization time. Applications requiring faster settling times should evaluate system timing requirements against this specification.

Q: Why is the DAC7617E not recommended as a primary substitute despite parametric equivalence?

A: The DAC7617E is classified as discontinued at DiGi Electronics, creating supply chain risk for production environments. While technically equivalent to the DAC7616E, its discontinued status limits long-term availability. The MAX5501BGAP+ offers active product status with assured supply continuity.

Q: What does MSL 1 (Unlimited) versus MSL 3 (168 Hours) mean for component handling?

A: Moisture Sensitivity Level (MSL) specifies the maximum time a component can remain exposed to ambient humidity before requiring baking. MSL 1 (Unlimited) indicates no moisture sensitivity restrictions, while MSL 3 (168 Hours) requires baking if the component is exposed to ambient conditions for more than 168 hours. The MAX5501BGAP+'s superior MSL rating reduces handling and storage complexity.

Q: Are all three parts ROHS3 compliant?

A: Yes. The DAC7616E, MAX5501BGAP+, and DAC7617E are all ROHS3 compliant and REACH unaffected, maintaining regulatory alignment for EU and international markets.

Q: What is the operating temperature range difference, and does it affect selection?

A: The DAC7616E and DAC7617E operate from -40°C to 85°C, while the MAX5501BGAP+ extends to 105°C. For applications operating above 85°C, the MAX5501BGAP+ provides extended thermal performance. For standard industrial temperature ranges, all three parts are functionally equivalent.