AD7225LRZ-REEL Equivalent & Substitute Parts

Part Overview

The AD7225LRZ-REEL is an 8-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc., configured with 4 independent DAC channels in a 24-SOIC surface mount package. This component is classified as active product status with full RoHS3 compliance. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the core functional parameters: 8-bit resolution, 4 DAC channels, parallel data interface, external reference configuration, and 24-SOIC packaging.

Key Parameters

Parameter	Value
Number of Bits	8
Number of D/A Converters	4
Output Type	Voltage - Buffered
Data Interface	Parallel
Reference Type	External
Architecture	R-2R
Package / Case	24-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the AD7225LRZ-REEL are qualified based on the following criteria:

Resolution & Channel Count: All substitutes maintain 8-bit resolution with 4 independent DAC channels
Output Configuration: Voltage-buffered output with external reference requirement
Data Interface: Parallel digital input interface
Architecture: R-2R resistor ladder topology
Package Compatibility: 24-SOIC surface mount package with identical 0.295" (7.50mm) width
Compliance: RoHS3 compliance maintained across all alternatives
Product Status: Active status for ongoing availability

The following parts meet these substitution criteria: MAX505ACWG+ (Analog Devices Inc./Maxim Integrated), TLC7225IDW (Texas Instruments), and TLC7225IDWR (Texas Instruments).

Parameter Comparison

Parameter	AD7225LRZ-REEL	MAX505ACWG+	TLC7225IDW	TLC7225IDWR
Manufacturer	Analog Devices Inc.	Analog Devices Inc./Maxim Integrated	Texas Instruments	Texas Instruments
Number of Bits	8	8	8	8
Number of D/A Converters	4	4	4	4
Settling Time	4µs	6µs (Typ)	7µs	7µs
Output Type	Voltage - Buffered	Voltage - Buffered	Voltage - Buffered	Voltage - Buffered
Data Interface	Parallel	Parallel	Parallel	Parallel
Reference Type	External	External	External	External
Architecture	R-2R	R-2R	R-2R	R-2R
INL/DNL (LSB)	±0.5 (Max), ±1 (Max)	-, ±1 (Max)	±1 (Max), ±1 (Max)	±1 (Max), ±1 (Max)
Operating Temperature	-40°C ~ 85°C	0°C ~ 70°C	-25°C ~ 85°C	-25°C ~ 85°C
Package / Case	24-SOIC (0.295", 7.50mm Width)	24-SOIC (0.295", 7.50mm Width)	24-SOIC (0.295", 7.50mm Width)	24-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

AD7225LRZ-REEL (Primary Part)

Fastest settling time at 4µs with superior INL specification (±0.5 LSB Max)
Extended operating temperature range (-40°C ~ 85°C) suitable for industrial applications
Dual supply voltage configuration (±5V analog, 14.25V ~ 15.75V digital)
Tape & Reel packaging for automated assembly
Active product status with full RoHS3 compliance

MAX505ACWG+ (Substitute)

Single supply voltage operation (±5V analog, 5V digital) simplifies power distribution
Moderate settling time at 6µs typical
Restricted operating temperature range (0°C ~ 70°C) limits use to commercial environments
Tube packaging format
Active product status with RoHS3 compliance and MSL 1 rating

TLC7225IDW (Substitute)

Settling time of 7µs with standard INL/DNL specifications (±1 LSB Max)
Dual supply voltage configuration (11.4V ~ 16.5V, -5.5V analog)
Extended operating temperature range (-25°C ~ 85°C)
Tube packaging format
Active product status with RoHS3 compliance and MSL 1 rating

TLC7225IDWR (Substitute)

Identical electrical specifications to TLC7225IDW
Settling time of 7µs with standard INL/DNL specifications (±1 LSB Max)
Dual supply voltage configuration (11.4V ~ 16.5V, -5.5V analog)
Extended operating temperature range (-25°C ~ 85°C)
Active product status with RoHS3 compliance and MSL 1 rating

Frequently Asked Questions (FAQ)

Q: Can MAX505ACWG+ replace AD7225LRZ-REEL in all applications? A: MAX505ACWG+ is electrically compatible for 8-bit, 4-channel DAC functionality with identical 24-SOIC packaging. However, the restricted operating temperature range (0°C ~ 70°C) versus AD7225LRZ-REEL (-40°C ~ 85°C) limits use to commercial temperature environments. Slower settling time (6µs vs 4µs) may affect high-speed sampling applications.

Q: What are the key differences between TLC7225IDW and TLC7225IDWR? A: Both parts share identical electrical specifications, resolution, channel count, settling time, and operating temperature range. The primary difference is packaging designation; TLC7225IDW is specified as Tube packaging while TLC7225IDWR packaging is not specified in the provided data. Both maintain RoHS3 compliance and MSL 1 rating.

Q: Are all substitute parts pin-compatible with AD7225LRZ-REEL? A: All substitute parts use the 24-SOIC package with identical 0.295" (7.50mm) width, confirming mechanical and pin-level compatibility for direct board-level substitution.

Q: Which substitute offers the best performance match to AD7225LRZ-REEL? A: TLC7225IDW and TLC7225IDWR provide the closest performance match with extended operating temperature range (-25°C ~ 85°C) and dual supply voltage configuration matching AD7225LRZ-REEL specifications. Settling time difference (7µs vs 4µs) represents the primary performance trade-off.

Q: What is the significance of MSL (Moisture Sensitivity Level) ratings? A: AD7225LRZ-REEL carries MSL 3 (168 Hours), requiring controlled storage and handling. MAX505ACWG+, TLC7225IDW, and TLC7225IDWR all carry MSL 1 (Unlimited), indicating superior moisture resistance and simplified storage requirements.

Q: Are all parts RoHS3 compliant? A: All listed parts maintain RoHS3 compliance and REACH Unaffected status, confirming environmental regulatory alignment for EU and international markets.

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