DAC38RF83IAAV Equivalent & Substitute Parts

Part Overview

The DAC38RF83IAAV is a 14-bit digital-to-analog converter manufactured by Texas Instruments, designed for high-performance data acquisition applications. This device features dual differential voltage outputs with buffered architecture and operates across industrial temperature ranges. The part is currently in active production status with ROHS3 compliance and full REACH compliance. Substitute parts are identified when equivalent electrical specifications, package compatibility, and operational parameters align with the original component, enabling seamless integration in existing designs.

Key Parameters

Parameter	Value
Manufacturer Part Number	DAC38RF83IAAV
Manufacturer	Texas Instruments
Category	Data Acquisition
Number of Bits	14
Number of D/A Converters	2
Output Type	Voltage - Buffered
Differential Output	Yes
Data Interface	JESD204B
Settling Time	1ns (Typ)
Reference Type	External, Internal
Voltage - Supply, Analog	1.71V ~ 1.89V
Voltage - Supply, Digital	0.95V ~ 1.05V
INL/DNL (LSB)	±4, ±3
Architecture	Current Source
Operating Temperature	-40°C ~ 85°C
Package / Case	144-FBGA, FCBGA
Supplier Device Package	144-FCBGA (10x10)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the DAC38RF83IAAV are identified based on strict parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following key parameters that must remain identical:

14-bit resolution with dual D/A converter architecture
Voltage-buffered differential output configuration
JESD204B serial data interface
Identical supply voltage ranges (Analog: 1.71V ~ 1.89V; Digital: 0.95V ~ 1.05V)
Matching INL/DNL specifications (±4, ±3 LSB)
Current source architecture
144-FCBGA (10x10) package footprint
Surface mount mounting type
Operating temperature range of -40°C ~ 85°C
ROHS3 compliance and REACH unaffected status

The three identified substitute parts—DAC38RF82IAAV, DAC38RF85IAAV, and DAC38RF89IAAV—meet all these criteria and are therefore electrically and mechanically interchangeable with the DAC38RF83IAAV in applications requiring these specifications.

Parameter Comparison

Parameter	DAC38RF83IAAV	DAC38RF82IAAV	DAC38RF85IAAV	DAC38RF89IAAV
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Number of Bits	14	14	14	14
Number of D/A Converters	2	2	2	2
Output Type	Voltage - Buffered	Voltage - Buffered	Voltage - Buffered	Voltage - Buffered
Differential Output	Yes	Yes	Yes	Yes
Data Interface	JESD204B	JESD204B	JESD204B	JESD204B
Settling Time	1ns (Typ)	1ns (Typ)	1ns (Typ)	1ns (Typ)
Reference Type	External, Internal	External, Internal	External, Internal	External, Internal
Voltage - Supply, Analog	1.71V ~ 1.89V	1.71V ~ 1.89V	1.71V ~ 1.89V	1.71V ~ 1.89V
Voltage - Supply, Digital	0.95V ~ 1.05V	0.95V ~ 1.05V	0.95V ~ 1.05V	0.95V ~ 1.05V
INL/DNL (LSB)	±4, ±3	±4, ±3	±4, ±3	±4, ±3
Architecture	Current Source	Current Source	Current Source	Current Source
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	144-FBGA, FCBGA	144-FBGA, FCBGA	144-FBGA, FCBGA	144-FBGA, FCBGA
Supplier Device Package	144-FCBGA (10x10)	144-FCBGA (10x10)	144-FCBGA (10x10)	144-FCBGA (10x10)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts—DAC38RF82IAAV, DAC38RF85IAAV, and DAC38RF89IAAV—maintain active product status with Texas Instruments and carry identical ROHS3 compliance and REACH unaffected certifications. These parts are suitable for direct substitution in applications where the DAC38RF83IAAV is specified, provided that the design accommodates the 144-FCBGA (10x10) surface mount package and the specified supply voltage and operating temperature ranges. Selection among the substitute parts should be based on availability and inventory levels, as all electrical and mechanical parameters are equivalent.

Frequently Asked Questions (FAQ)

Q: Can DAC38RF82IAAV, DAC38RF85IAAV, or DAC38RF89IAAV be used as direct replacements for DAC38RF83IAAV?

A: Yes. All three substitute parts share identical electrical specifications, including 14-bit resolution, dual D/A converter architecture, JESD204B interface, supply voltage ranges, and INL/DNL performance. The 144-FCBGA (10x10) package footprint is identical across all parts, enabling direct PCB-level substitution.

Q: Are there any compliance or regulatory differences between the main part and substitutes?

A: No. All parts maintain ROHS3 compliance and REACH unaffected status. Moisture sensitivity level (MSL 3, 168 hours) and operating temperature ranges (-40°C ~ 85°C) are identical.

Q: What is the significance of the JESD204B data interface in substitution?

A: JESD204B is a high-speed serial interface standard for data acquisition devices. All listed parts implement this interface identically, ensuring compatibility with existing firmware, signal processing chains, and system-level designs without modification.

Q: Does the current source architecture affect substitution compatibility?

A: No. The current source architecture is consistent across all parts. This architecture determines the internal signal generation method but does not affect external circuit compatibility when supply voltages, reference configurations, and output specifications remain identical.

Q: Are there inventory considerations when selecting a substitute?

A: Inventory levels vary among substitute parts. DAC38RF82IAAV has 1452 units available, DAC38RF85IAAV has 1102 units, and DAC38RF89IAAV has 1250 units. Selection should account for project timeline and quantity requirements.

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