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Texas Instruments LM6152ACMX
- Part No.:
- LM6152ACMX
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LM6152ACMX.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,000
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Product details
Overview
LM6152ACMX from Texas Instruments is a dual rail-to-rail input/output operational amplifier optimized for low-voltage, high-speed portable instrumentation. It delivers 75 MHz gain-bandwidth, 45 V/µs large-signal slew rate, and rail-to-rail output swing (0.01 V to 4.99 V at 5 V supply), operating from 2.7 V to 24 V with only 1.4 mA per amplifier supply current. It is used in ADC front-end buffering and barcode scanner signal conditioning where battery life and dynamic range are critical.
For engineers reviewing the LM6152ACMX datasheet, LM6152ACMX pinout, LM6152ACMX application, or LM6152ACMX equivalent, key selection criteria include its >rail-to-rail input CMVR (−0.25 V to 5.25 V at 5 V), fast 1.1 µs settling time to 0.01%, PSRR of 91 dB, and ability to drive capacitive loads up to 470 pF without oscillation in gains ≥2.
Technical Context
The LM6152ACMX employs a patented input stage with phase reversal prevention and slew-rate speed-up circuitry that dynamically increases slew rate with input differential voltage-reaching 45 V/µs for large signals-enabling stable operation into heavy capacitive loads. Its unity-gain-stable architecture supports closed-loop gains from −1 to +100, with bandwidth highly dependent on gain and compensation (e.g., 4 MHz at G = −1, 2.2 MHz at G = −10 with 4.7 pF CF at 24 V).
It features bipolar input transistors with MOS-like input bias current behavior (500 nA max at 2.7–24 V), wide common-mode input range exceeding rails, and robust PSRR (91 dB) and CMRR (84 dB) across its full 2.7–24 V supply range-making it suitable for precision analog signal paths in mixed-supply systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 75 MHz @ 100 kHz - enables stable unity-gain operation with usable bandwidth up to ~60 MHz in low-noise configurations |
| Slew Rate (Large Signal) | 45 V/µs - supports fast transient response for 2 V step inputs with minimal distortion in high-speed data acquisition |
| Input CMVR | −0.25 V to 5.25 V @ 5 V supply - accepts signals beyond supply rails, eliminating level-shifting in single-supply sensor interfaces |
| Rail-to-Rail Output Swing | 0.01 V to 4.99 V @ 5 V / 100 kΩ - maximizes dynamic range and SNR in low-voltage ADC driver applications |
| Supply Current per Amplifier | 1.4 mA typical @ 5 V - enables dual-channel high-speed amplification in battery-powered devices with multi-day runtime |
| Settling Time | 1.1 µs to 0.01% for 2 V step - meets timing requirements for 1 MSPS SAR ADCs with 12+ bit accuracy |
| PSRR / CMRR | 91 dB / 84 dB - rejects power supply noise and common-mode interference in noisy industrial or automotive environments |
Pinout & Package
LM6152ACMX is housed in an 8-pin SOIC (D08A) package measuring 4.902 mm × 3.912 mm with 1.75 mm max height, RoHS-compliant, green finish, and moisture sensitivity level 1 (260°C reflow).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT A) | Amplifier A output | Drives external load or feedback network; rail-to-rail swing supports full-scale ADC input range |
| 2 (−IN A) | Amplifier A inverting input | Accepts feedback signal; supports >rail-to-rail common-mode range (−0.25 V to 5.25 V) |
| 3 (+IN A) | Amplifier A non-inverting input | Receives input signal; immune to phase reversal even when driven beyond supply rails |
| 4 (V−) | Negative supply rail | Ground reference in single-supply operation; connects to system ground or negative rail in split-supply designs |
| 5 (+IN B) | Amplifier B non-inverting input | Independent channel input; identical CMVR and noise performance as Channel A |
| 6 (−IN B) | Amplifier B inverting input | Enables dual-channel signal processing without crosstalk degradation (125 dB isolation) |
| 7 (OUT B) | Amplifier B output | Second independent output; same slew rate, GBW, and output drive capability as OUT A |
| 8 (V+) | Positive supply rail | Accepts 2.7–24 V; PSRR of 91 dB ensures stable operation under noisy supply conditions |
Key Features
| Feature | Design Value |
|---|---|
| Dynamic slew-rate enhancement | Slew rate scales with input differential voltage-45 V/µs for large signals improves transient fidelity without sacrificing stability into 470 pF loads |
| Rail-to-rail input beyond supply rails | CMVR extends 0.25 V below V− and 0.25 V above V+, enabling direct connection to sensors or DACs without clamping diodes |
| Capacitive load drive capability | Stable operation into ≥470 pF at gains ≥2 eliminates need for external isolation resistors in ADC buffer or filter applications |
| Low-power high-speed operation | 75 MHz GBW at only 1.4 mA per amplifier enables portable, battery-operated instrumentation with >1 MSPS signal chain throughput |
| High PSRR and CMRR | 91 dB PSRR and 84 dB CMRR maintain signal integrity in mixed-signal systems with shared power domains or noisy grounds |
Applications
| Portable High-Speed Instrumentation | Signal Conditioning Amplifier/ADC Buffers |
|---|---|
Use Scenario: Handheld oscilloscope front-end amplifying ±2 V sensor outputs into a 12-bit SAR ADC running at 1 MSPS. IC Role / Device Role / Timing Role: Dual-channel LM6152ACMX provides simultaneous gain-of-2 amplification and rail-to-rail buffering with <1.1 µs settling to preserve waveform fidelity. Use Value: Full 0–5 V ADC input range utilization and 75 MHz bandwidth support accurate capture of >100 kHz transients without aliasing or droop. | Use Scenario: Battery-powered gas analyzer using electrochemical sensors with mV-level outputs requiring low-noise, low-drift amplification before digitization. IC Role / Device Role / Timing Role: LM6152ACMX acts as precision instrumentation amplifier stage (G = 100) with rail-to-rail output driving ADC reference buffer. Use Value: 1.4 mA per amplifier minimizes quiescent current while 84 dB CMRR rejects common-mode noise from shared sensor ground. |
| Barcode Scanners | Low-Voltage Sensor Interfaces |
Use Scenario: Embedded laser scanner module converting reflected light pulses into clean digital edges for microcontroller decoding. IC Role / Device Role / Timing Role: LM6152ACMX serves as high-speed comparator preamplifier, conditioning weak photodiode signals before threshold detection. Use Value: 45 V/µs slew rate ensures sharp edge generation for 100+ klines/sec scanning; 2.7 V minimum supply enables direct Li-ion battery operation. | Use Scenario: Wearable health monitor acquiring ECG signals from dry electrodes with DC-coupled front-end and 3.3 V MCU integration. IC Role / Device Role / Timing Role: LM6152ACMX operates as single-supply, rail-to-rail input/output amplifier with AC-coupled gain stage and DC restoration. Use Value: −0.25 V to 3.55 V input range accommodates electrode offset drift; 91 dB PSRR suppresses switching regulator noise in compact PCB layout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual rail-to-rail op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2462IDR | Lower GBW (6.4 MHz), lower slew rate (1.6 V/µs), but lower input offset (0.4 mV typ) and higher CMRR (100 dB) | Better for precision DC-coupled sensor amps; unsuitable for >100 kHz signal chains or fast settling | Select TLV2462IDR when DC accuracy dominates over speed; avoid for ADC buffering above 100 kSPS |
| OPA2350UA | Higher GBW (38 MHz), lower supply current (1.0 mA), but narrower input CMVR (to V− + 0.1 V) and no rail-to-rail input beyond rails | Optimized for low-power portable audio; lacks over-rail input needed for direct sensor interfacing | Choose OPA2350UA for battery-sensitive audio line drivers; LM6152ACMX remains preferred for sensor front-ends requiring extended CMVR |
Compared with TLV2462IDR and OPA2350UA, LM6152ACMX uniquely combines 75 MHz GBW, over-rail input capability, and 45 V/µs slew rate at sub-1.5 mA per amplifier-making it the only option among the three capable of driving 1 MSPS ADCs while accepting sensor outputs exceeding supply rails.
Availability
LM6152ACMX is available at Aetrix Electronics and suitable for portable instrumentation, ADC front-end buffering, barcode scanner signal conditioning, and low-voltage sensor interface applications requiring stable component supply across long production lifecycles.
Supply support for LM6152ACMX includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader delivering analog and embedded processing solutions for industrial, automotive, and personal electronics markets.
The LM6152ACMX belongs to TI's precision high-speed op amp product line, designed specifically for battery-powered instrumentation and portable test equipment demanding rail-to-rail operation, low power, and robust capacitive load drive.
FAQ
What is the maximum capacitive load the LM6152ACMX can drive without oscillation?
The LM6152ACMX can drive capacitive loads up to 470 pF stably at closed-loop gains of 2 or higher, thanks to its internal phase-shift compensation circuitry. This eliminates the need for external isolation resistors in ADC buffer or active filter applications. For gains below 2 or loads exceeding 470 pF, small series resistance (<50 Ω) at the output may be required to ensure stability. The LM6152ACMX datasheet confirms this behavior under "Application and Implementation" section 7.
Does the LM6152ACMX support true rail-to-rail input operation beyond the supply rails?
Yes, the LM6152ACMX supports input voltages extending 0.25 V below V− and 0.25 V above V+, confirmed in its 5.0 V DC Electrical Characteristics table (VCM low = −0.25 V, high = 5.25 V). This over-rail input capability allows direct connection to sensors or DACs whose outputs exceed the amplifier's supply range-eliminating clamping diodes and associated errors. This feature is explicitly documented for LM6152ACMX in the SNOS752E datasheet.
What is the typical supply current of the LM6152ACMX at 3.3 V operation?
The LM6152ACMX draws 1.4 mA per amplifier at 5 V, and its supply current is relatively flat across the 2.7–24 V range. At 3.3 V, typical supply current remains 1.4 mA (per amplifier), as verified in the 2.7 V DC Electrical Characteristics table (IS = 1.35 mA typ) and confirmed by Figure 1 ("Supply Current vs. Supply Voltage") in the SNOS752E datasheet. This consistency enables predictable battery-life estimation in low-voltage portable designs.
Can the LM6152ACMX be used in single-supply configurations with ground-referenced inputs?
Yes, the LM6152ACMX is fully specified for single-supply operation from 2.7 V to 24 V, with input common-mode range extending to V− (ground) and beyond. Its rail-to-rail output swing (e.g., 0.01 V to 4.99 V at 5 V) and input CMVR down to −0.25 V allow ground-referenced sensor signals to be amplified without level shifting. This is validated in the Recommended Operating Conditions (Section 6.3) and DC Electrical Characteristics tables of the LM6152ACMX datasheet.
What is the settling time specification for the LM6152ACMX, and under what conditions is it measured?
The LM6152ACMX has a typical settling time of 1.1 µs to 0.01% for a 2 V step input, measured under standard 5 V supply conditions with RL > 1 MΩ and VO = V+/2, as stated in Section 6.6 ("5.0 V AC Electrical Characteristics"). This value reflects performance in unity-gain follower or low-gain configurations and is critical for interfacing with 1 MSPS+ SAR ADCs. The settling behavior is further characterized in Figure 24 ("Voltage Error vs. Settle Time") of the SNOS752E datasheet.
LM6152ACMX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 30V/µs
- Gain Bandwidth Product:
- 80 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 500 nA
- Voltage - Input Offset:
- 300 µV
- Current - Supply:
- 1.6mA (x2 Channels)
- Current - Output / Channel:
- 16.9 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 24 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
LM6152ACMX FAQ
1.How can I place an order for LM6152ACMX through Aetrix?
Please submit a Request for Quotation (RFQ) for LM6152ACMX on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LM6152ACMX reliable?
The price and inventory of LM6152ACMX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM6152ACMX is usually 5 days.
3.What payment methods are accepted for LM6152ACMX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM6152ACMX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM6152ACMX?
LM6152ACMX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM6152ACMX order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LM6152ACMX?
For technical support, including LM6152ACMX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM6152ACMX requirements.
6.How does Aetrix verify that LM6152ACMX is sourced from the original manufacturer or authorized distributors?
All LM6152ACMX products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LM6152ACMX meets industry standards.
7.What is the process for return or replacement of LM6152ACMX?
All LM6152ACMX units undergo pre-shipment inspection (PSI). If there is an issue with LM6152ACMX, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LM6152ACMX part is unused and in its original packaging.
Return procedure for LM6152ACMX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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