DAC101S101CIMKX Equivalent & Substitute Parts

Part Overview

The DAC101S101CIMKX is a 10-bit digital-to-analog converter manufactured by Texas Instruments, designed for data acquisition applications requiring voltage output conversion. This component features a single DAC channel with SPI/DSP interface compatibility and operates across a 2.7V to 5.5V supply range. The main part number is currently listed as obsolete, necessitating identification of active equivalent alternatives that maintain identical electrical and mechanical specifications for seamless design substitution.

Key Parameters

Parameter	Specification
Manufacturer	Texas Instruments
Category	Data Acquisition
Number of Bits	10
Number of D/A Converters	1
Output Type	Voltage - Buffered
Data Interface	SPI, DSP
Settling Time	7.5µs
Voltage - Supply, Analog	2.7V ~ 5.5V
Voltage - Supply, Digital	2.7V ~ 5.5V
INL/DNL (LSB)	±0.6, +0.15/-0.05
Architecture	String DAC
Operating Temperature	-40°C ~ 105°C
Package / Case	SOT-23-6 Thin, TSOT-23-6
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution eligibility for the DAC101S101CIMKX is determined by strict equivalence across all electrical and mechanical parameters. The following criteria establish valid substitutes:

Electrical Parameters (Must Match Exactly):

Resolution: 10 bits
Number of DAC channels: 1
Output configuration: Voltage - Buffered
Data interface: SPI, DSP
Supply voltage range: 2.7V ~ 5.5V (both analog and digital)
Settling time: 7.5µs
INL/DNL specifications: ±0.6, +0.15/-0.05 LSB
Architecture: String DAC
Operating temperature range: -40°C ~ 105°C

Mechanical Parameters (Must Match Exactly):

Package type: SOT-23-6 Thin (TSOT-23-6)
Mounting type: Surface Mount
Supplier device package: SOT-23-THIN

Compliance & Status:

RoHS3 compliance required
REACH unaffected status required
Product status: Active preferred (obsolete main part requires active substitutes)

All identified substitute parts maintain identical parametric specifications and compliance certifications, enabling direct functional and physical replacement without circuit redesign or board layout modification.

Parameter Comparison

Parameter	DAC101S101CIMKX	DAC101S101CIMK/NOPB	DAC101S101CIMKX/NOPB
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments
Product Status	Obsolete	Active	Active
Number of Bits	10	10	10
Number of D/A Converters	1	1	1
Output Type	Voltage - Buffered	Voltage - Buffered	Voltage - Buffered
Data Interface	SPI, DSP	SPI, DSP	SPI, DSP
Settling Time	7.5µs	7.5µs	7.5µs
Voltage - Supply, Analog	2.7V ~ 5.5V	2.7V ~ 5.5V	2.7V ~ 5.5V
Voltage - Supply, Digital	2.7V ~ 5.5V	2.7V ~ 5.5V	2.7V ~ 5.5V
INL/DNL (LSB)	±0.6, +0.15/-0.05	±0.6, +0.15/-0.05	±0.6, +0.15/-0.05
Architecture	String DAC	String DAC	String DAC
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Package / Case	SOT-23-6 Thin, TSOT-23-6	SOT-23-6 Thin, TSOT-23-6	SOT-23-6 Thin, TSOT-23-6
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both DAC101S101CIMK/NOPB and DAC101S101CIMKX/NOPB are active product alternatives to the obsolete DAC101S101CIMKX. Selection between these substitutes is based on packaging and availability considerations:

DAC101S101CIMK/NOPB is supplied in Cut Tape (CT) & Digi-Reel® packaging with 16,155 units in stock. This option is suitable for applications requiring standard tape-and-reel delivery formats.

DAC101S101CIMKX/NOPB maintains the original Tape & Reel (TR) packaging specification with 8,310 units in stock. This option preserves the exact packaging format of the obsolete part.

Both parts maintain identical electrical specifications, compliance certifications (ROHS3, REACH unaffected), and mechanical compatibility. Selection should be based on procurement requirements, supply chain availability, and packaging format preferences for your manufacturing process.

Frequently Asked Questions (FAQ)

Q: Can DAC101S101CIMK/NOPB and DAC101S101CIMKX/NOPB be used interchangeably with DAC101S101CIMKX?

A: Yes. Both substitute parts are parametrically equivalent across all electrical and mechanical specifications. They feature identical resolution (10-bit), output configuration (voltage-buffered), data interface (SPI/DSP), supply voltage range (2.7V–5.5V), settling time (7.5µs), and package type (SOT-23-6 Thin). Direct substitution requires no circuit modifications or board layout changes.

Q: What is the difference between the two substitute parts?

A: The primary difference is packaging format. DAC101S101CIMK/NOPB is supplied in Cut Tape (CT) & Digi-Reel® format, while DAC101S101CIMKX/NOPB uses Tape & Reel (TR) packaging. All electrical and mechanical parameters are identical. Selection depends on your manufacturing and procurement workflow.

Q: Are both substitute parts currently available?

A: Yes. DAC101S101CIMK/NOPB has 16,155 units in stock, and DAC101S101CIMKX/NOPB has 8,310 units in stock. Both are listed as active products.

Q: Do the substitute parts meet the same compliance requirements?

A: Yes. Both DAC101S101CIMK/NOPB and DAC101S101CIMKX/NOPB are ROHS3 compliant and REACH unaffected, matching the compliance status of the original part.

Q: Can I mix packaging formats in a single production run?

A: Both parts are electrically and mechanically identical. Mixing packaging formats is feasible from a functional standpoint; however, procurement and inventory management practices should be evaluated based on your manufacturing process requirements.

Q: What is the operating temperature range for these parts?

A: All three parts operate across -40°C to 105°C, supporting industrial and extended temperature applications.

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