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Monolithic Power Systems Inc. MP8104DJ-LF-P
- Part No.:
- MP8104DJ-LF-P
- Manufacturer:
- Monolithic Power Systems Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
MP8104DJ-LF-P.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT TSOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,616
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Product details
Overview
MP8104DJ-LF-P from Monolithic Power Systems is a rail-to-rail output, single-supply operational amplifier in TSOT-23-5 package with industry-standard pinout. It delivers 400 kHz gain-bandwidth, 11 µA quiescent current, and operates from 1.8 V to 5.5 V supply - enabling ultra-low-power signal conditioning in battery-constrained portable instrumentation.
For engineers reviewing the MP8104DJ-LF-P datasheet, MP8104DJ-LF-P pinout, MP8104DJ-LF-P application, or MP8104DJ-LF-P equivalent, key selection criteria include input bias current (2 pA), rail-to-rail output swing (within 19 mV of V− and 23 mV of V+), unity-gain stability, capacitive load drive capability (up to 1000 pF), and input common-mode range extending to ground.
Technical Context
The MP8104DJ-LF-P employs a CMOS input stage enabling 2 pA input bias current and ground-sensing input common-mode range. Its internal compensation ensures unity-gain stability while supporting 400 kHz GBW and 0.2 V/µs slew rate under 10 kΩ load.
It is optimized for low-voltage, low-noise DC-coupled amplification and filtering in single-supply systems - with PSRR (80 dB) and CMRR (82 dB) maintained across 1.8–5.5 V supply and 0–3.5 V input common-mode range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8 V to 5.5 V - supports direct integration into Li-ion, coin-cell, and 3.3 V logic-supplied systems |
| Quiescent Current | 11 µA typical - enables multi-year operation in always-on sensor front-ends |
| Gain-Bandwidth Product | 400 kHz - sufficient for anti-aliasing filters, sensor gain stages, and slow-settling ADC drivers |
| Input Bias Current | 2 pA - minimizes voltage error in high-impedance source interfaces (e.g., pH sensors, photodiode TIA feedback) |
| Output Swing | Rail-to-rail: within 19 mV of V− and 23 mV of V+ at 10 kΩ load - maximizes dynamic range in 1.8 V systems |
| Input Common-Mode Range | 0 V to 3.8 V - includes ground reference, enabling single-supply transducer interfacing without level-shifting |
| Capacitive Load Drive | Up to 1000 pF - allows direct connection to ADC inputs or long PCB traces without external isolation resistors |
Pinout & Package
MP8104DJ-LF-P is housed in a RoHS-compliant, lead-free TSOT-23-5 package (JEDEC MO-193 AA), with 0.65 mm pitch, 1.00 mm max height, and thermal resistance θJA = 220 °C/W on 1″² 1 oz copper.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Amplifier Output | Delivers rail-to-rail voltage swing; stable driving ≥1000 pF capacitive loads |
| 2 (V−) | Ground / Negative Supply Return | Reference node for single-supply operation; must be low-impedance path to system ground |
| 3 (IN+) | Non-Inverting Input | CMOS input with 2 pA bias current; accepts signals down to ground potential |
| 4 (IN−) | Inverting Input | Differential input node; used with feedback network for precise gain configuration |
| 5 (V+) | Positive Supply Input | Accepts 1.8–5.5 V; requires local 0.1 µF + 10 µF bypassing per datasheet recommendation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low supply current | 11 µA enables >10-year battery life in continuous-sense wearable nodes |
| Rail-to-rail output stage | Delivers full 1.76 Vpp swing from 1.8 V supply - preserves SNR in low-voltage data acquisition |
| Unity-gain stable architecture | Eliminates need for external compensation in buffer, follower, and gain-of-one configurations |
| Input common-mode range to ground | Supports direct interfacing with grounded-sensor outputs (e.g., thermistors, strain gauges) |
| High PSRR and CMRR | 80 dB PSRR and 82 dB CMRR suppress supply noise and common-mode interference in noisy environments |
Applications
| Handheld GPS Receivers | Portable Medical Sensors |
|---|---|
Use Scenario: Amplifying weak analog signals from GPS antenna LNA outputs before ADC sampling in compact handheld units. IC Role / Device Role / Timing Role: Low-noise, rail-to-rail DC-coupled gain stage with minimal power overhead. Use Value: 11 µA supply current extends battery runtime; 400 kHz bandwidth accommodates baseband IF filtering without aliasing. | Use Scenario: Conditioning bio-potential signals (ECG, EMG) in disposable patch monitors powered by CR2032 cells. IC Role / Device Role / Timing Role: Single-supply instrumentation amplifier front-end with ground-referenced input. Use Value: Input common-mode to ground enables direct electrode interface; rail-to-rail output maximizes ADC utilization at 1.8 V. |
| Smart Wearable Activity Trackers | Low-Power Industrial Sensor Nodes |
Use Scenario: Signal amplification for MEMS accelerometer/gyro analog outputs in always-on fitness bands. IC Role / Device Role / Timing Role: Low-quiescent-current buffer and filter stage preceding SAR ADC. Use Value: 2 pA input bias current prevents drift in high-Z piezoresistive sensor paths; 1000 pF load drive simplifies layout. | Use Scenario: Analog front-end for temperature/humidity sensors in battery-powered IIoT nodes deployed in remote locations. IC Role / Device Role / Timing Role: Precision gain block and offset correction amplifier in 4–20 mA loop or ADC reference path. Use Value: 5 mV max input offset voltage and 15 µV/°C drift ensure <0.5% measurement error over –40°C to +85°C. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-power operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP6001T-E/OT (Microchip) | Lower GBW (1 MHz), higher IQ (100 µA), same TSOT-23-5 pinout | Better speed but 9× higher supply current - unsuitable for multi-year battery life | Select when bandwidth >400 kHz is required and power budget allows ≥100 µA |
| TLV8511DBVR (TI) | Similar IQ (9 µA), lower VOS (1.6 mV typ), but no rail-to-rail output (clips ~100 mV from rails) | Limited output swing reduces usable dynamic range in 1.8 V systems | Select when ultra-low offset dominates over output headroom requirements |
Compared with MCP6001T-E/OT and TLV8511DBVR, MP8104DJ-LF-P uniquely balances sub-12 µA quiescent current, rail-to-rail output, and ground-sensing input - making it optimal for energy-constrained, single-supply sensor signal chains where dynamic range and longevity are co-prioritized.
Availability
MP8104DJ-LF-P is available at Aetrix Electronics and suitable for handheld GPS receivers, portable medical sensors, smart wearable activity trackers, and low-power industrial sensor nodes requiring stable component supply and long-term lifecycle support.
Supply support for MP8104DJ-LF-P 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
Monolithic Power Systems (MPS) is a fabless semiconductor company specializing in high-performance analog and mixed-signal ICs for power management and signal conditioning.
The MP8104 belongs to MPS's ultra-low-power op amp product line, engineered specifically for battery-operated portable and wearable electronics demanding extended runtime without sacrificing precision or signal integrity.
FAQ
Is MP8104DJ-LF-P pin-compatible with standard TSOT-23-5 op amps?
Yes - MP8104DJ-LF-P uses industry-standard TSOT-23-5 pinout: Pin 1 = OUT, Pin 2 = V−, Pin 3 = IN+, Pin 4 = IN−, Pin 5 = V+. This matches common low-power op amps like MCP6001 and TLV8511, enabling drop-in replacement in many layouts.
What is the maximum capacitive load the MP8104DJ-LF-P can drive without oscillation?
The MP8104DJ-LF-P is characterized to drive up to 1000 pF capacitive loads while maintaining stability, as confirmed in the datasheet's "Drives Up to 1000pF of Capacitive Loads" feature and Figure 6 (gain/phase vs. CL). No external series resistor is required for loads ≤1000 pF.
Does MP8104DJ-LF-P support true single-supply operation from 1.8 V?
Yes - the device operates from 1.8 V to 5.5 V single supply, with input common-mode range extending to ground (0 V) and rail-to-rail output swing. At 1.8 V, output swings within 19 mV of V− and 23 mV of V+, delivering usable 1.76 Vpp dynamic range.
How does the 2 pA input bias current impact high-impedance sensor interfaces?
A 2 pA input bias current introduces ≤2 mV error across a 1 MΩ source impedance (per Ohm's Law), making MP8104DJ-LF-P suitable for pH electrodes, photodiode transimpedance feedback, and high-value thermistor networks where leakage-induced offset must be minimized.
Why is MP8104 marked "Not Recommended for New Designs" in its datasheet?
The "Not Recommended for New Designs" notice refers to the MP8104 family being superseded by the improved MP8102 (lower VOS, better PSRR). However, MP8104DJ-LF-P remains fully manufactured, stocked, and supported by MPS for legacy design continuity and cost-sensitive applications where its 400 kHz/11 µA trade-off remains optimal.
Can MP8104DJ-LF-P be used in unity-gain buffer configuration without external compensation?
Yes - the MP8104DJ-LF-P is explicitly unity-gain stable per datasheet Feature list and Figure 6 (unity-gain frequency response). No external compensation capacitor or resistor is needed; it maintains phase margin >45° at AV = 1 with CL ≤1000 pF.
MP8104DJ-LF-P Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Monolithic Power Systems Inc.
- Series:
- -
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.2V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 1 MHz
- Current - Input Bias:
- 2 pA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 11µA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-5
MP8104DJ-LF-P FAQ
1.How can I place an order for MP8104DJ-LF-P through Aetrix?
Please submit a Request for Quotation (RFQ) for MP8104DJ-LF-P 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 MP8104DJ-LF-P reliable?
The price and inventory of MP8104DJ-LF-P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MP8104DJ-LF-P is usually 5 days.
3.What payment methods are accepted for MP8104DJ-LF-P?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MP8104DJ-LF-P transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MP8104DJ-LF-P?
MP8104DJ-LF-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MP8104DJ-LF-P 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 MP8104DJ-LF-P?
For technical support, including MP8104DJ-LF-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MP8104DJ-LF-P requirements.
6.How does Aetrix verify that MP8104DJ-LF-P is sourced from the original manufacturer or authorized distributors?
All MP8104DJ-LF-P 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 MP8104DJ-LF-P meets industry standards.
7.What is the process for return or replacement of MP8104DJ-LF-P?
All MP8104DJ-LF-P units undergo pre-shipment inspection (PSI). If there is an issue with MP8104DJ-LF-P, 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 MP8104DJ-LF-P part is unused and in its original packaging.
Return procedure for MP8104DJ-LF-P:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MP8104DJ-LF-P Tags
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