MAX9119EXK-T Equivalent & Substitute Parts

Part Overview

The MAX9119EXK-T is a general-purpose CMOS comparator with push-pull, rail-to-rail output in SC-70-5 surface mount packaging. Manufactured by Analog Devices Inc./Maxim Integrated, this device operates across a 1.6V to 5.5V supply range and is designed for low-power comparison applications. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Manufacturer	Analog Devices Inc./Maxim Integrated
Part Number	MAX9119EXK-T
Product Status	Obsolete
Type	General Purpose Comparator
Output Type	CMOS, Push-Pull, Rail-to-Rail
Supply Voltage Range	1.6V ~ 5.5V
Input Offset Voltage (Max)	5mV @ 5V
Input Bias Current (Max)	0.001µA @ 5V
Output Current (Typ)	50mA
Quiescent Current (Max)	1.2µA
CMRR / PSRR (Typ)	66.02dB CMRR, 80dB PSRR
Propagation Delay (Max)	40µs
Hysteresis	4mV
Operating Temperature	-40°C ~ 85°C
Package	5-TSSOP, SC-70-5, SOT-353
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the MAX9119EXK-T is determined by the following critical parameters:

Primary Substitution Criteria:

Output type: CMOS, Push-Pull, Rail-to-Rail
Supply voltage range: Minimum 1.6V ~ 5.5V compatibility
Package: SC-70-5 / SOT-353 / 5-TSSOP surface mount
Input offset voltage: ≤ 7mV @ rated voltage
Quiescent current: ≤ 1.8mA
Operating temperature: -40°C ~ 85°C minimum
RoHS3 compliance and MSL rating

Substitute Categories:

Direct Parametric Equivalent (Same Package, Active Status):

MAX9119EXK+T: Identical electrical specifications, active product status, cut tape packaging

Manufacturer Recommended Substitutes (Active Status, Compatible Parameters):

LMV7219M7/NOPB and LMV7219M7X/NOPB (Texas Instruments): Push-Pull, Rail-to-Rail output, SC-70-5 package, 2.7V ~ 5V supply, active status
MCP6541T-I/LT and MCP6541UT-I/LT (Microchip Technology): CMOS, Push-Pull, Rail-to-Rail, TTL output, SC-70-5 package, 1.6V ~ 5.5V supply, active status
MCP6561UT-E/OT (Microchip Technology): CMOS, Push-Pull, Rail-to-Rail, TTL output, SOT-23-5 package, 1.8V ~ 5.5V supply, active status
TLV3701IDBVR (Texas Instruments): CMOS, Push-Pull, Rail-to-Rail output, SOT-23-5 package, 2.7V ~ 16V supply, active status
TLV3501AQDBVRQ1 (Texas Instruments): CMOS, Push-Pull, Rail-to-Rail, TTL output, SOT-23-6 package, automotive grade, active status

Legacy Substitutes (Last Time Buy / Obsolete Status):

TLV3701IP and TLV3701ID (Texas Instruments): 8-DIP and 8-SOIC packages, higher voltage range (2.7V ~ 16V), last time buy status

Parameter Comparison

Part Number	Manufacturer	Status	Package	Supply Voltage	Input Offset (Max)	Quiescent Current (Max)	Output Type	Propagation Delay
MAX9119EXK-T	Analog Devices	Obsolete	SC-70-5	1.6V ~ 5.5V	5mV @ 5V	1.2µA	CMOS, Push-Pull, Rail-to-Rail	40µs
MAX9119EXK+T	Analog Devices	Active	SC-70-5	1.6V ~ 5.5V	5mV @ 5V	1.2µA	CMOS, Push-Pull, Rail-to-Rail	40µs
LMV7219M7/NOPB	Texas Instruments	Active	SC-70-5	2.7V ~ 5V	6mV @ 5V	1.8mA	Push-Pull, Rail-to-Rail	20ns
LMV7219M7X/NOPB	Texas Instruments	Active	SC-70-5	2.7V ~ 5V	6mV @ 5V	1.8mA	Push-Pull, Rail-to-Rail	20ns
MCP6541T-I/LT	Microchip Technology	Active	SC-70-5	1.6V ~ 5.5V	7mV @ 5.5V	1µA	CMOS, Push-Pull, Rail-to-Rail, TTL	8µs
MCP6541UT-I/LT	Microchip Technology	Active	SC-70-5	1.6V ~ 5.5V	7mV @ 5.5V	1µA	CMOS, Push-Pull, Rail-to-Rail, TTL	8µs
MCP6561UT-E/OT	Microchip Technology	Active	SOT-23-5	1.8V ~ 5.5V	10mV @ 5.5V	130µA	CMOS, Push-Pull, Rail-to-Rail, TTL	80ns
TLV3701IDBVR	Texas Instruments	Active	SOT-23-5	2.7V ~ 16V	5mV @ 15V	1µA	CMOS, Push-Pull, Rail-to-Rail	—
TLV3501AQDBVRQ1	Texas Instruments	Active	SOT-23-6	2.7V ~ 5.5V	6.5mV @ 5.5V	5mA	CMOS, Push-Pull, Rail-to-Rail, TTL	10ns
TLV3701IP	Texas Instruments	Last Time Buy	8-PDIP	2.7V ~ 16V	5mV @ 15V	1µA	CMOS, Push-Pull, Rail-to-Rail	—
TLV3701ID	Texas Instruments	Last Time Buy	8-SOIC	2.7V ~ 16V	5mV @ 15V	1µA	CMOS, Push-Pull, Rail-to-Rail	—

Engineering Selection Recommendations

For Direct Replacement (Recommended First Choice): Select MAX9119EXK+T when available. This part maintains identical electrical specifications and packaging to the obsolete MAX9119EXK-T while offering active product status and improved supply availability. Both parts are ROHS3 compliant with MSL rating 1.

For SC-70-5 Package Continuity with Active Status: MCP6541T-I/LT and MCP6541UT-I/LT provide SC-70-5 surface mount packaging with full 1.6V ~ 5.5V supply range compatibility. These Microchip parts maintain CMOS, Push-Pull, Rail-to-Rail output characteristics and are actively manufactured. Input offset voltage increases to 7mV and quiescent current reduces to 1µA, both acceptable for general-purpose comparator applications.

For Extended Voltage Range Applications: TLV3701IDBVR offers 2.7V ~ 16V supply range in SOT-23-5 package with identical 5mV input offset voltage and 1µA quiescent current. This Texas Instruments part is suitable for designs requiring higher supply voltages while maintaining active product status.

For Automotive-Grade Requirements: TLV3501AQDBVRQ1 provides AEC-Q100 automotive qualification in SOT-23-6 package with active status. This part is appropriate for automotive applications requiring formal qualification documentation.

For Legacy Through-Hole Designs: TLV3701IP (8-PDIP) and TLV3701ID (8-SOIC) maintain through-hole and larger surface mount options respectively, though both carry last time buy status. These are suitable only for designs where package migration is not feasible.

Frequently Asked Questions (FAQ)

Q: Can MAX9119EXK+T directly replace MAX9119EXK-T without circuit modification? A: Yes. MAX9119EXK+T is a direct parametric equivalent with identical electrical specifications, supply voltage range, output characteristics, and SC-70-5 packaging. No circuit modifications are required.

Q: What is the primary difference between MAX9119EXK-T and MCP6541T-I/LT? A: Both operate across 1.6V ~ 5.5V supply range in SC-70-5 packaging with CMOS, Push-Pull, Rail-to-Rail output. MCP6541T-I/LT has slightly higher input offset voltage (7mV vs. 5mV) and lower quiescent current (1µA vs. 1.2µA). Propagation delay is significantly faster at 8µs versus 40µs.

Q: Are TLV3701 series parts suitable replacements for SC-70-5 applications? A: TLV3701IDBVR is available in SOT-23-5 package, not SC-70-5. It requires PCB layout modification. TLV3701IP and TLV3701ID use different packages (8-PDIP and 8-SOIC) and carry last time buy status. For SC-70-5 continuity, MCP6541 series is preferred.

Q: What is the impact of higher input offset voltage in substitute parts? A: Substitute parts with input offset voltage up to 7mV remain within acceptable tolerance for general-purpose comparison applications. Applications requiring precision below 5mV should verify performance with specific threshold requirements.

Q: Are all recommended substitutes RoHS3 compliant? A: Yes. All substitute parts listed carry ROHS3 compliance status. MSL ratings vary between 1 (unlimited) and 2 (1 year), with TLV3701IP rated as not applicable due to through-hole packaging.

Q: Can MCP6561UT-E/OT replace MAX9119EXK-T in existing designs? A: MCP6561UT-E/OT uses SOT-23-5 package requiring PCB redesign. Supply voltage range is 1.8V ~ 5.5V (minimum 1.8V vs. 1.6V). Quiescent current is significantly higher at 130µA. This part is suitable only for designs where package migration is acceptable and minimum supply voltage of 1.8V is compatible.

Q: What is the significance of "Last Time Buy" status for TLV3701 parts? A: Last time buy status indicates the manufacturer will discontinue production. These parts should be selected only when package requirements cannot be met by active alternatives. Procurement should occur before discontinuation date.

Q: Which substitute offers the fastest propagation delay? A: TLV3501AQDBVRQ1 provides 10ns propagation delay, followed by LMV7219 series at 20ns. MAX9119EXK-T and direct equivalents operate at 40µs. Selection depends on application timing requirements and package compatibility.

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