HI5960IAZ Equivalent & Substitute Parts

Part Overview

The HI5960IAZ is a 14-bit Digital to Analog Converter (DAC) manufactured by Renesas Electronics Corporation, designed for data acquisition applications requiring single-channel analog output conversion. This device features current-unbuffered output with parallel data interface and supports both external and internal reference configurations across a 2.7V to 5.5V supply range.

The HI5960IAZ is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support long-term product availability for applications currently utilizing this component.

Key Parameters

Parameter	Value
Number of Bits	14
Number of D/A Converters	1
Settling Time (Typical)	35ns
Output Type	Current - Unbuffered
Differential Output	Yes
Data Interface	Parallel
Reference Type	External, Internal
Voltage - Supply, Analog	2.7V ~ 5.5V
Voltage - Supply, Digital	2.7V ~ 5.5V
INL/DNL (LSB)	±2.5, ±1.5
Architecture	Current Source
Operating Temperature	-40°C ~ 85°C
Package / Case	28-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the HI5960IAZ are identified based on strict parametric equivalence across the following critical criteria:

Resolution: 14-bit conversion capability
Channel Configuration: Single D/A converter
Output Architecture: Current-unbuffered with differential output capability
Data Interface: Parallel input protocol
Reference Configuration: Support for both external and internal reference sources
Supply Voltage Range: 2.7V to 5.5V for both analog and digital supplies
Linearity Performance: INL/DNL specifications of ±2.5 LSB and ±1.5 LSB
Settling Time: 35ns typical response time
Package Compatibility: 28-TSSOP surface mount package with identical physical dimensions
Temperature Range: -40°C to 85°C operating specification
Regulatory Compliance: ROHS3 compliance and REACH unaffected status

The AD9764ARUZ meets all specified parametric requirements and is therefore classified as a direct parametric equivalent.

Parameter Comparison

Parameter	HI5960IAZ	AD9764ARUZ	Match
Manufacturer	Renesas Electronics Corporation	Analog Devices Inc.	Different Manufacturer
Number of Bits	14	14	✓
Number of D/A Converters	1	1	✓
Settling Time (Typical)	35ns	35ns	✓
Output Type	Current - Unbuffered	Current - Unbuffered	✓
Differential Output	Yes	Yes	✓
Data Interface	Parallel	Parallel	✓
Reference Type	External, Internal	External, Internal	✓
Voltage - Supply, Analog	2.7V ~ 5.5V	2.7V ~ 5.5V	✓
Voltage - Supply, Digital	2.7V ~ 5.5V	2.7V ~ 5.5V	✓
INL/DNL (LSB)	±2.5, ±1.5	±2.5, ±1.5	✓
Architecture	Current Source	Current Source	✓
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	✓
Package / Case	28-TSSOP (0.173", 4.40mm Width)	28-TSSOP (0.173", 4.40mm Width)	✓
Mounting Type	Surface Mount	Surface Mount	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
Product Status	Obsolete	Active	Substitute is Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)	1 (Unlimited)	Substitute has Better MSL

Engineering Selection Recommendations

The AD9764ARUZ is a direct parametric equivalent to the HI5960IAZ across all specified electrical and mechanical parameters. Selection of the AD9764ARUZ as a substitute is supported by the following factors:

Complete parametric alignment with the obsolete HI5960IAZ across resolution, output architecture, interface protocol, supply voltage, linearity performance, settling time, package form factor, and operating temperature range
Active product status ensures ongoing availability and manufacturing support
ROHS3 compliance and REACH unaffected status maintain regulatory alignment with the original component
Improved moisture sensitivity level (MSL 1 versus MSL 3) provides enhanced reliability in storage and handling conditions
Identical 28-TSSOP package geometry enables direct PCB layout compatibility without redesign

The AD9764ARUZ is suitable for direct substitution in applications currently specified for the HI5960IAZ.

Frequently Asked Questions (FAQ)

Q: What makes the AD9764ARUZ a valid substitute for the HI5960IAZ?

A: The AD9764ARUZ meets all critical parametric requirements of the HI5960IAZ, including 14-bit resolution, single-channel current-unbuffered output, parallel data interface, external/internal reference support, identical supply voltage range (2.7V–5.5V), matching linearity specifications (±2.5/±1.5 LSB), 35ns settling time, and 28-TSSOP package compatibility. All electrical and mechanical parameters are equivalent.

Q: Are there any differences between these parts?

A: The primary differences are manufacturer (Renesas versus Analog Devices), product status (obsolete versus active), and moisture sensitivity level (MSL 3 versus MSL 1). The AD9764ARUZ offers improved moisture handling characteristics and guaranteed long-term availability.

Q: Is the 28-TSSOP package identical between both parts?

A: Yes. Both the HI5960IAZ and AD9764ARUZ use the 28-TSSOP package with identical physical dimensions (0.173" width, 4.40mm). No PCB layout modifications are required for substitution.

Q: Can the AD9764ARUZ be used as a drop-in replacement?

A: Yes, the AD9764ARUZ is a direct parametric equivalent and can function as a drop-in replacement in applications designed for the HI5960IAZ, provided that the application does not depend on manufacturer-specific design details or proprietary features unique to the Renesas device.

Q: What is the significance of the different MSL ratings?

A: The HI5960IAZ has MSL 3 (168-hour moisture sensitivity limit), while the AD9764ARUZ has MSL 1 (unlimited). MSL 1 indicates superior moisture resistance and allows for longer storage periods without baking requirements, reducing handling complexity and improving supply chain flexibility.

Q: Are both parts RoHS compliant?

A: Yes. Both the HI5960IAZ and AD9764ARUZ are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

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