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TLE2024AMFKB
Texas Instruments
IC OPAMP GP 4 CIRCUIT 20LCCC
1475 Pcs New Original In Stock
General Purpose Amplifier 4 Circuit 20-LCCC (8.89x8.89)
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5.0 / 5.0
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TLE2024AMFKB
Product Overview
12947866
DiGi Electronics Part Number
TLE2024AMFKB-DGManufacturer
Texas Instruments
TLE2024AMFKB
Description
IC OPAMP GP 4 CIRCUIT 20LCCCInventory
1475 Pcs New Original In Stock
General Purpose Amplifier 4 Circuit 20-LCCC (8.89x8.89)
Quantity
Minimum 1
Minimum 1
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TLE2024AMFKB Technical Specifications
Category
Linear, Amplifiers, Instrumentation, Op Amps, Buffer Amps
Packaging
Bulk
Series
-
Product Status
Active
Amplifier Type
General Purpose
Number of Circuits
4
Output Type
-
Slew Rate
0.5V/µs
Gain Bandwidth Product
1.7 MHz
Current - Input Bias
45 nA
Voltage - Input Offset
750 µV
Current - Supply
1.05mA (x4 Channels)
Current - Output / Channel
40 mA
Voltage - Supply Span (Min)
4 V
Voltage - Supply Span (Max)
40 V
Operating Temperature
-55°C ~ 125°C
Grade
Automotive
Qualification
AEC-Q100
Mounting Type
Surface Mount
Package / Case
20-CLCC
Supplier Device Package
20-LCCC (8.89x8.89)
Datasheet & Documents
HTML Datasheet
TLE2024AMFKB-DG
Environmental & Export Classification
ECCN
EAR99
HTSUS
8542.33.0001
Additional Information
Other Names
2156-TLE2024AMFKB
TEXTISTLE2024AMFKB
Standard Package
1
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
我多次在DiGi Electronics購物，都非常滿意，商品品質一致，價格優惠。
de desembre 02, 2025
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de desembre 02, 2025
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de desembre 02, 2025
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de desembre 02, 2025
DiGi Electronics has consistently met my expectations for product reliability and support.
de desembre 02, 2025
Reliability and customer support are their standout qualities, making them an indispensable partner.
de desembre 02, 2025
Their customer service team is courteous, efficient, and always helpful.
de desembre 02, 2025
I highly recommend DiGi Electronics for their swift shipping and reliable support.
de desembre 02, 2025
The after-sales team offered troubleshooting tips that saved me time and effort.
de desembre 02, 2025
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Frequently Asked Questions (FAQ)
Can the TLE2024AMFKB be used as a direct replacement for the LM324 in a 5V automotive sensor signal conditioning circuit, and what are the key design risks to evaluate?
While the TLE2024AMFKB is pin-compatible with the LM324 in many 20-pin surface-mount configurations, it is not a drop-in replacement without careful evaluation. The TLE2024AMFKB has a lower input bias current (45 nA vs. ~45 nA for LM324, but with better matching) and higher precision, but its slew rate (0.5 V/µs) is slower than some modern alternatives, which may limit response in dynamic automotive environments. Crucially, the TLE2024AMFKB supports a wider supply range (4V to 40V) and is AEC-Q100 qualified, making it more suitable for harsh automotive conditions. However, its output does not swing rail-to-rail, so if your LM324 circuit relies on near-ground output, you may need to adjust biasing or add level shifting. Always verify headroom requirements and transient response under load—especially in crank or load-dump scenarios common in automotive systems.
What are the thermal and reliability implications of operating the TLE2024AMFKB at 125°C ambient in an under-hood automotive application with intermittent high-current loads?
The TLE2024AMFKB is rated for operation up to 125°C junction temperature and is AEC-Q100 Grade 1 qualified, meaning it’s designed for under-hood use. However, at maximum ambient temperature, even small power dissipation can push the junction toward its limit. With a typical supply current of 1.05 mA per channel (4.2 mA total), and assuming a 14V supply, static power is ~59 mW. Add dynamic loads—especially when driving 40 mA into capacitive loads—and localized heating increases. Use a solid ground plane under the 20-LCCC package to improve thermal dissipation, and avoid enclosing the device in thermally insulated compartments. Monitor thermal cycling; repeated exposure to 125°C with rapid transitions can degrade bond wires over time. Consider derating supply voltage or adding airflow if duty cycles exceed 50% at full load.
How does the TLE2024AMFKB compare to the newer OPA4170AIPW in precision automotive current sensing applications, and when should I consider upgrading?
The OPA4170AIPW offers rail-to-rail input/output, lower offset voltage (25 µV vs. 750 µV), and higher bandwidth (1.2 MHz vs. 1.7 MHz GBW but better real-world performance due to RRI/O), making it superior for low-side current sensing with small shunt voltages. However, the TLE2024AMFKB has a proven track record in high-voltage, high-temperature automotive systems and operates reliably up to 40V—ideal for 24V truck systems or load-dump tolerant designs. If your application involves high-side sensing with large common-mode voltages or requires legacy compatibility, the TLE2024AMFKB remains a robust choice. Upgrade to the OPA4170AIPW only if you need improved accuracy at low signal levels or tighter system calibration; otherwise, the TLE2024AMFKB offers better long-term supply stability and ruggedness in extreme environments.
Is it safe to parallel two channels of the TLE2024AMFKB to increase output drive capability in a motor feedback circuit, and what layout precautions are necessary?
Paralleling op-amp channels in the TLE2024AMFKB is not recommended without current-sharing measures. Although each channel can source/sink 40 mA, mismatches in input offset voltage (up to 750 µV) can cause significant imbalance in output current, leading to thermal runaway in one channel. If you must parallel them, add small ballast resistors (0.5–2 Ω, 1% tolerance) in series with each output to equalize current. Ensure symmetrical layout with matched trace lengths and thermal coupling between channels. Avoid this approach in precision applications—instead, use a dedicated high-current buffer like the BUF634. For motor feedback, consider isolating the TLE2024AMFKB as a preamp and driving the final stage with a power op-amp to preserve signal integrity and reliability.
What input protection strategies are needed when using the TLE2024AMFKB in a 24V automotive environment where load dump or jump-start transients may exceed 40V?
Although the TLE2024AMFKB supports up to 40V supply, ISO 7637-2 load dump pulses can exceed 60V, risking damage. To protect the inputs and supply rails, implement a multi-stage defense: use a TVS diode (e.g., SMAJ33A) across the supply rails to clamp transients, followed by a 10–100 Ω series resistor at each input combined with Schottky diodes to rails for overvoltage clamping. Add a 100 nF ceramic capacitor close to the supply pins for high-frequency decoupling. For long sensor leads, include an RC filter (e.g., 1 kΩ + 10 nF) to reduce EMI coupling. Ensure all protection components are rated for automotive surge standards. Without this, repeated transients can degrade the input stage or cause latent failures, especially at high ambient temperatures where oxide reliability decreases.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
TLE2024AMFKB CAD Models
Texas Instruments TLE2024AMFKB PCB symbols & footprints
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