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Renesas UPC277GR(21)-9LG-E2-A
- Part No.:
- UPC277GR(21)-9LG-E2-A
- Manufacturer:
- Renesas
- Category:
- Comparators
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
UPC277GR(21)-9LG-E2-A.pdf
- Description:
- ANALOG:GENERAL-PURPOSE LINEAR
- Quantity:
- Payment:
- Shipping:
Inventory:2,500
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Product details
Overview
UPC277GR(21)-9LG-E2-A from Renesas Electronics is a dual operational amplifier designed for single-supply operation with rail-to-rail input (V− to V+ − 1.5 V) and output swing down to GND, featuring ±2 mV typical input offset voltage, 100,000 typical large-signal voltage gain, and 1.2 mA maximum supply current at +5 V. It serves as a general-purpose signal conditioning IC in sensor interface, portable instrumentation, and battery-powered analog front-ends.
For engineers reviewing the UPC277GR(21)-9LG-E2-A datasheet, UPC277GR(21)-9LG-E2-A pinout, UPC277GR(21)-9LG-E2-A application, or UPC277GR(21)-9LG-E2-A equivalent, key selection criteria include its guaranteed operation from +3 V to +30 V single supply, −40°C to +85°C industrial temperature range, TSSOP-8 (5.72 mm) package, and compatibility with low-voltage, low-power analog signal chains requiring ground-sensing capability.
Technical Context
This bipolar-input dual op-amp employs a Class C push-pull output stage enabling true GND-level output swing and supports both single-supply (V− = GND, V+ = +3 to +30 V) and split-supply (±1.5 to ±15 V) configurations. Its PNP-input first stage delivers 14 nA typical input bias current and enables common-mode input down to V−.
The device integrates internal frequency compensation for unity-gain stability, features output short-circuit protection, and maintains ≥120 dB channel separation across 1–20 kHz - critical for dual-channel signal processing where crosstalk must be minimized in mixed-signal systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +3 V to +30 V (single supply); enables direct interfacing with 3.3 V/5 V/12 V logic and sensors without level-shifting |
| Input Offset Voltage | ±2 mV (typ), ±7 mV (max); ensures <10 mV total error in DC-coupled amplification of millivolt-level sensor outputs |
| Large Signal Voltage Gain | 100,000 (typ); provides ≥100 dB open-loop gain for precision closed-loop gain accuracy and low distortion |
| Output Voltage Swing | 0 V to V+ − 1.5 V (RL = 2 kΩ); allows full-scale analog output down to ground in single-supply data acquisition |
| Common-Mode Input Range | V− to V+ − 1.5 V (typ); supports direct sensing of signals referenced to system ground or low-side shunts |
| Supply Current | 1.2 mA (max) per amplifier; enables dual-channel analog signal conditioning in power-constrained portable designs |
| Channel Separation | ≥120 dB (1–20 kHz); prevents inter-channel interference in stereo audio, dual-axis sensor, or multi-channel ADC driver applications |
Pinout & Package
UPC277GR(21)-9LG-E2-A is housed in an 8-pin plastic TSSOP package (5.72 mm × 4.4 mm, 0.65 mm pitch), RoHS-compliant and Pb-free, optimized for high-density PCB layouts with 60% smaller mounting area than standard SOP-8.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (Amplifier 1) | Accepts differential input signal; referenced to V− (GND) in single-supply mode |
| 2 | Non-Inverting Input (Amplifier 1) | Accepts reference or sensor signal; supports common-mode input down to V− |
| 3 | Output (Amplifier 1) | Class C push-pull output capable of sourcing 40 mA and sinking 20 mA into 2 kΩ load |
| 4 | V− (Ground) | Power return node; must be connected directly to system ground plane for noise immunity |
| 5 | Inverting Input (Amplifier 2) | Independent second channel input; electrically isolated from Channel 1 per datasheet channel separation spec |
| 6 | Non-Inverting Input (Amplifier 2) | Second channel positive input; shares same V− and V+ rails but no internal coupling |
| 7 | Output (Amplifier 2) | Second independent output; identical drive capability and swing range as Pin 3 |
| 8 | V+ | Positive supply rail; accepts +3 V to +30 V; requires local 0.1 μF ceramic decoupling to V− |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input (V−-referenced) | Enables direct amplification of ground-referenced sensor signals (e.g., thermocouples, current shunts) without level-shifting circuitry |
| GND-level output swing | Permits full dynamic range utilization in single-supply microcontroller ADC interfaces where input must reach 0 V |
| Internal frequency compensation | Guarantees stable unity-gain operation without external compensation components - reduces BOM count and layout complexity |
| Output short-circuit protection | Allows safe operation during prototyping, test, or fault conditions without external current-limiting resistors |
| Low input offset drift | ±2 mV typical VIO ensures minimal DC error accumulation over time and temperature in precision DC amplifiers |
Applications
| Industrial Sensor Interface | Portable Instrumentation |
|---|---|
Use Scenario: Amplifying low-level output from RTD or strain gauge bridges in factory-floor temperature/pressure transmitters. IC Role / Device Role / Timing Role: Dual-channel DC-coupled instrumentation amplifier front-end with matched gain paths and low drift. Use Value: ±2 mV input offset and 100,000 gain enable sub-0.5% full-scale error in 16-bit measurement systems operating from 5 V supply. | Use Scenario: Signal conditioning for handheld multimeters or battery-powered data loggers measuring voltage, current, and resistance. IC Role / Device Role / Timing Role: Dual op-amp providing programmable gain stages and buffer for microcontroller ADC inputs. Use Value: 1.2 mA max supply current per channel extends battery life; GND-referenced output matches 0–VREF ADC input range. |
| Audio Line Driver | Motor Control Feedback |
Use Scenario: Driving stereo line-level outputs in embedded audio systems (e.g., smart speakers, VoIP handsets). IC Role / Device Role / Timing Role: Dual-channel AC-coupled buffer with high channel separation to prevent left/right crosstalk. Use Value: ≥120 dB channel separation at 1–20 kHz eliminates audible inter-channel leakage in consumer audio paths. | Use Scenario: Isolating and scaling current-sense amplifier outputs for motor phase current feedback in BLDC inverters. IC Role / Device Role / Timing Role: Dual op-amp configured as differential amplifier and level shifter for MCU analog inputs. Use Value: Common-mode input range to V− allows direct connection to low-side shunt resistors; robust 40 mA source current drives long PCB traces. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM358DR | Higher input offset voltage (±3 mV typ), wider supply range (+3 V to +32 V), same TSSOP-8 footprint but different pinout (non-pin-compatible) | Less precise DC performance; suitable for cost-sensitive, non-critical amplification where offset drift is acceptable | Select LM358DR only when absolute lowest BOM cost is prioritized over offset accuracy and GND-swing fidelity |
| TLV2372IDR | Rail-to-rail input/output, lower supply current (120 μA/ch), CMOS input (pA bias), but reduced output drive (10 mA sink/source) | Better for ultra-low-power, high-impedance sensor nodes; insufficient for driving 2 kΩ loads or high-current feedback paths | Choose TLV2372IDR for battery-operated IoT sensors; avoid where >20 mA sink capability or bipolar input linearity is required |
Compared with LM358DR and TLV2372IDR, UPC277GR(21)-9LG-E2-A uniquely balances GND-referenced input/output, 40 mA source capability, and ±2 mV offset in a single-supply dual op-amp - making it optimal for industrial analog front-ends demanding precision, drive strength, and ground-sensing without rail-to-rail output overhead.
Availability
UPC277GR(21)-9LG-E2-A is available at Aetrix Electronics and suitable for industrial sensor interface, portable instrumentation, and motor control feedback applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for UPC277GR(21)-9LG-E2-A 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
Renesas Electronics Corporation is a global semiconductor leader delivering microcontrollers, analog power, and SoC solutions for automotive, industrial, and enterprise systems.
UPC277GR(21)-9LG-E2-A belongs to Renesas' legacy bipolar linear amplifier product line, engineered for reliable, low-cost signal conditioning in industrial automation and consumer electronics where robustness and predictable DC performance are essential.
FAQ
What is the maximum operating ambient temperature for UPC277GR(21)-9LG-E2-A?
The UPC277GR(21)-9LG-E2-A is rated for operation from −40°C to +85°C ambient temperature, consistent with its "Standard" quality grade classification per Renesas documentation. This range supports deployment in industrial control cabinets, outdoor instrumentation enclosures, and commercial-grade embedded systems without forced cooling.
Does UPC277GR(21)-9LG-E2-A support true rail-to-rail output?
No - UPC277GR(21)-9LG-E2-A provides rail-to-rail *input* (down to V−) and output swing *to GND*, but its positive output limit is V+ − 1.5 V (typical). This reflects its Class C push-pull output stage design, which trades full rail-to-rail swing for higher output current and better linearity near GND.
Can UPC277GR(21)-9LG-E2-A be used with a split power supply?
Yes - UPC277GR(21)-9LG-E2-A operates with split supplies from ±1.5 V to ±15 V, as specified in the Recommended Operating Conditions table. Its bipolar input stage and symmetric architecture ensure balanced performance in traditional op-amp configurations like inverting/non-inverting amplifiers and active filters.
Is UPC277GR(21)-9LG-E2-A pin-compatible with other μPC358 variants?
UPC277GR(21)-9LG-E2-A shares the same 8-pin TSSOP-9LG package and pinout as μPC358GR-9LG and μPC1251GR-9LG per Renesas datasheet Figure "PIN CONFIGURATION". However, electrical parameters differ: UPC277GR(21)-9LG-E2-A is a DC-parameter-selected variant with tighter ±3 mV max VIO, distinguishing it from standard-grade μPC358GR-9LG (±7 mV max).
What is the thermal derating behavior of UPC277GR(21)-9LG-E2-A above 69°C?
Per Absolute Maximum Ratings, UPC277GR(21)-9LG-E2-A must be derated at −5.5 mW/°C when TA exceeds 69°C, based on its junction-to-ambient thermal resistance of 183°C/W. This means usable power dissipation drops from 440 mW at 25°C to ~220 mW at 100°C - requiring careful thermal design in enclosed or high-ambient environments.
UPC277GR(21)-9LG-E2-A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 2
- Output Type:
- Open-Collector
- Voltage - Supply, Single/Dual (±):
- 2V ~ 32V, ±1V ~ 16V
- :
- 5mV @ 5V
- Voltage - Input Offset (Max):
- 0.25µA @ 5V
- Current - Input Bias (Max):
- 16mA @ 5V
- Current - Output (Typ):
- 1mA
- Current - Quiescent (Max):
- -
- CMRR, PSRR (Typ):
- -
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 125°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 14-TSSOP
UPC277GR(21)-9LG-E2-A FAQ
1.How can I place an order for UPC277GR(21)-9LG-E2-A through Aetrix?
Please submit a Request for Quotation (RFQ) for UPC277GR(21)-9LG-E2-A 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 UPC277GR(21)-9LG-E2-A reliable?
The price and inventory of UPC277GR(21)-9LG-E2-A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPC277GR(21)-9LG-E2-A is usually 5 days.
3.What payment methods are accepted for UPC277GR(21)-9LG-E2-A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPC277GR(21)-9LG-E2-A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPC277GR(21)-9LG-E2-A?
UPC277GR(21)-9LG-E2-A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPC277GR(21)-9LG-E2-A 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 UPC277GR(21)-9LG-E2-A?
For technical support, including UPC277GR(21)-9LG-E2-A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPC277GR(21)-9LG-E2-A requirements.
6.How does Aetrix verify that UPC277GR(21)-9LG-E2-A is sourced from the original manufacturer or authorized distributors?
All UPC277GR(21)-9LG-E2-A 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 UPC277GR(21)-9LG-E2-A meets industry standards.
7.What is the process for return or replacement of UPC277GR(21)-9LG-E2-A?
All UPC277GR(21)-9LG-E2-A units undergo pre-shipment inspection (PSI). If there is an issue with UPC277GR(21)-9LG-E2-A, 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 UPC277GR(21)-9LG-E2-A part is unused and in its original packaging.
Return procedure for UPC277GR(21)-9LG-E2-A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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