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STMicroelectronics STG5682QTR
- Part No.:
- STG5682QTR
- Manufacturer:
- STMicroelectronics
- Package:
- 16-UFQFN
- Datasheet:
-
STG5682QTR.pdf
- Description:
- IC SWITCH SPDT X 2 550MOHM 16QFN
- Quantity:
- Payment:
- Shipping:
Inventory:5,520
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Product details
Overview
STG5682QTR from STMicroelectronics is a low-voltage dual SPDT analog switch with negative rail capability, designed for signal routing in portable and battery-powered systems. It operates from 1.65V to 4.5V single supply, delivers ultra-low on-resistance (0.45Ω max at VCC = 4.3V), supports distortion-free signal throughput down to VCC−5.5V, and features 0.2µA max quiescent current at 85°C - enabling precision audio, sensor, and data acquisition paths.
For engineers reviewing the STG5682QTR datasheet, STG5682QTR pinout, STG5682QTR application, or STG5682QTR equivalent, this device is selected for low-noise analog switching where rail-to-rail signal integrity, sub-100ns switching speed, and ESD-hardened I/O are required in space-constrained QFN16L packages.
Technical Context
The STG5682 implements two independent CMOS SPDT switches using C2MOS technology, each controlled by dedicated SEL inputs with 1.8V-compatible thresholds across 1.65–3.0V VCC. Its break-before-make timing (min. 1ns, typ. 23–110ns) prevents signal shorting during state transitions.
All channels support bidirectional analog signals spanning VCC−5.5V to VCC, with <0.1µA off-state leakage and −60dB crosstalk at 100kHz. Input/output protection circuits meet JESD22 (2000V HBM) and JESD17 (>300mA latch-up immunity).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 1.65V to 4.5V single supply - enables direct interface with 1.8V/2.5V/3.3V logic and analog rails |
| RON (max) | 0.55Ω at VCC = 4.3V, TA = 25°C - minimizes insertion loss and signal attenuation in audio/ADC paths |
| tON / tOFF | 58ns / 33ns max at VCC = 4.3V - supports high-speed multiplexing in data acquisition and instrumentation |
| OIRR | −55dB at 100kHz - ensures high channel isolation for multi-signal routing without interference |
| THD | 0.01% at 20Hz–20kHz - preserves fidelity in audio-grade analog signal switching |
| ICC (max) | 0.2µA at TA = 85°C - extends battery life in always-on sensor nodes and wearables |
| ESD Rating | 2000V HBM - eliminates need for external ESD protection in handheld and medical devices |
Pinout & Package
STG5682QTR is housed in a thermally enhanced QFN16L package (2.6mm × 1.8mm, 0.4mm pitch), with exposed thermal pad for improved power dissipation in compact layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 9 | 1SEL, 2SEL | Dedicated digital control inputs per switch - enable independent channel selection without shared logic |
| 2, 4, 10, 12 | 1S1, 1S2, 2S1, 2S2 | Independent source terminals - support dual SPDT configuration with full signal path separation |
| 3, 11 | D1, D2 | Common drain outputs - route selected analog signal to shared downstream circuitry |
| 7 | VCC | Single positive supply input - powers both analog switch core and level-shifted control logic |
| 8 | GND | Reference ground - common return for analog signal paths and digital control |
| 5,6,13,14,15,16 | NC | No-connect pins - reserved for package mechanical stability and thermal pad anchoring |
Key Features
| Feature | Design Value |
|---|---|
| Negative rail signal handling | Supports analog signals down to VCC−5.5V - enables bipolar signal routing without external level shifters |
| Break-before-make timing | Min. 1ns, typ. 23–110ns - prevents momentary short-circuit between S1/S2 during switching |
| Ultra-low RON flatness | 0.16Ω max variation over full signal range at VCC = 4.3V - maintains consistent gain and linearity |
| 1.8V-compatible control | Valid VIH/VIL thresholds at VCC = 1.65–3.0V - allows direct interfacing with 1.8V microcontrollers |
| Low charge injection | 126pC max at VCC = 4.3V - reduces glitch-induced error in precision sampling and ADC front-ends |
Applications
| Portable Audio Signal Routing | Medical Sensor Multiplexing |
|---|---|
|
Use Scenario: Switching between multiple microphone inputs or headphone outputs in Bluetooth earbuds and hearing aids. IC Role / Device Role / Timing Role: Dual SPDT analog switch managing bidirectional audio paths with minimal THD and no DC offset. Use Value: 0.01% THD and 0.45Ω RON preserve voice clarity and SNR; 0.2µA ICC extends battery runtime beyond 72 hours. |
Use Scenario: Selecting among ECG, EEG, or temperature sensor channels in wearable patient monitors. IC Role / Device Role / Timing Role: Low-leakage analog multiplexer routing µV-level bio-signals to a shared ADC input. Use Value: −60dB crosstalk and <0.1µA IOFF prevent cross-channel interference and baseline drift in clinical-grade measurements. |
| Industrial Data Acquisition | Automotive Infotainment Audio |
|
Use Scenario: Channel selection in 16-bit SAR ADC front-ends for programmable logic controllers and sensor transmitters. IC Role / Device Role / Timing Role: Precision analog switch providing rail-to-rail signal integrity and fast settling before conversion. Use Value: 33MHz −3dB bandwidth and 58ns tON ensure accurate sampling of fast transients up to 10ksps without aperture jitter. |
Use Scenario: Routing auxiliary audio sources (USB, Bluetooth, AUX) to amplifier stages in automotive head units. IC Role / Device Role / Timing Role: High-isolation SPDT switch enabling clean source switching without pop/click artifacts. Use Value: −55dB OFF isolation and 0.16Ω RON flatness eliminate audible switching noise and maintain consistent volume levels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual SPDT analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSM1014IDT | Higher RON (1.2Ω min), no negative rail support, 5V-only operation | Limited to unipolar 0–5V signal paths; unsuitable for VCC−5.5V analog routing | Select when only 5V systems require higher ESD rating (4kV HBM) and cost sensitivity outweighs performance |
| ADG726BRUZ | Lower THD (0.003%), but 1.8V min VCC and no VCC−5.5V capability; larger TSSOP-24 package | Requires external level-shifting for bipolar signals; occupies 3× PCB area vs. QFN16L | Prefer for ultra-low-distortion audio where board space and rail flexibility are secondary concerns |
Compared with TSM1014IDT and ADG726BRUZ, STG5682QTR uniquely combines negative rail operation, sub-0.5Ω RON, and QFN16L footprint - making it the only choice for miniaturized, battery-powered systems requiring true bipolar analog switching without external support circuitry.
Availability
STG5682QTR is available at Aetrix Electronics and suitable for portable audio design, medical sensor multiplexing, industrial data acquisition, and automotive infotainment requiring stable component supply across long-lifecycle programs.
Supply support for STG5682QTR 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, delivering intelligent power, analog, MEMS, and microcontroller solutions for industrial, automotive, and consumer markets.
The STG5682 belongs to ST's high-performance analog switch product line, engineered specifically for low-voltage, low-noise, and rail-to-rail signal routing in space- and power-constrained portable electronics.
FAQ
What is the maximum allowable analog signal voltage range for STG5682QTR?
The STG5682QTR supports analog signals from VCC−5.5V to VCC across all channels. At VCC = 3.3V, this translates to −2.2V to +3.3V; at VCC = 1.8V, it spans −3.7V to +1.8V. This negative rail capability is intrinsic to the C2MOS process and does not require external biasing or level-shifting circuitry.
Does STG5682QTR require external pull-up or pull-down resistors on SEL pins?
No. The SEL inputs have internally biased thresholds compatible with 1.8V logic across VCC = 1.65–3.0V, and VIH/VIL specifications are guaranteed without external biasing. Pull-up/pull-down resistors are unnecessary unless system-level noise immunity requires forced static states during power-up or reset.
Can STG5682QTR be used in bidirectional signal paths?
Yes. All Sx and Dx terminals are fully bidirectional with symmetrical RON, OIRR, and THD performance. Signal flow direction is determined solely by system topology - the device imposes no inherent directionality, supporting both source-to-drain and drain-to-source configurations in audio, sensor, and data lines.
Is the exposed thermal pad on the QFN16L package electrically connected?
No. The exposed pad is a thermal slug only, not internally connected to any die node. It must be soldered to a PCB thermal plane for optimal junction-to-board thermal resistance (θJB ≈ 45°C/W), but no electrical connection or grounding is required or recommended.
STG5682QTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 550mOhm
- Channel-to-Channel Matching (ΔRon):
- 15mOhm
- Voltage - Supply, Single (V+):
- 1.65V ~ 4.5V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 80ns, 50ns
- -3db Bandwidth:
- 33MHz
- Charge Injection:
- 126pC
- Channel Capacitance (CS(off), CD(off)):
- 6pF
- Current - Leakage (IS(off)) (Max):
- 100nA
- Crosstalk:
- -60dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QFN (2.6x1.8)
STG5682QTR FAQ
1.How can I place an order for STG5682QTR through Aetrix?
Please submit a Request for Quotation (RFQ) for STG5682QTR 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 STG5682QTR reliable?
The price and inventory of STG5682QTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STG5682QTR is usually 5 days.
3.What payment methods are accepted for STG5682QTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STG5682QTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STG5682QTR?
STG5682QTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STG5682QTR 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 STG5682QTR?
For technical support, including STG5682QTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STG5682QTR requirements.
6.How does Aetrix verify that STG5682QTR is sourced from the original manufacturer or authorized distributors?
All STG5682QTR 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 STG5682QTR meets industry standards.
7.What is the process for return or replacement of STG5682QTR?
All STG5682QTR units undergo pre-shipment inspection (PSI). If there is an issue with STG5682QTR, 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 STG5682QTR part is unused and in its original packaging.
Return procedure for STG5682QTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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