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Texas Instruments TLV2170IDGKT
- Part No.:
- TLV2170IDGKT
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
TLV2170IDGKT.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:18,531
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Product details
Overview
TLV2170IDGKT from Texas Instruments is a dual-channel, 36-V, rail-to-rail output operational amplifier with EMI-hardened inputs, 1.2 MHz gain bandwidth, 22 nV/√Hz input voltage noise at 1 kHz, and 125 µA quiescent current per amplifier-designed for precision signal conditioning in server power supplies and AC-DC converters.
For engineers reviewing the TLV2170IDGKT datasheet, TLV2170IDGKT pinout, TLV2170IDGKT application, or TLV2170IDGKT equivalent, this page delivers verified specifications, validated VSSOP-8 package mapping, confirmed dual-amplifier functional role, and two rigorously cross-checked alternative parts for cost-sensitive industrial analog designs.
Technical Context
The TLV2170IDGKT implements a P-channel input stage enabling rail-to-rail common-mode input operation down to 100 mV below V− and within 2 V of V+, with phase-reversal protection that clamps instead of inverting when overdriven. Its unity-gain stable architecture supports 200-pF capacitive loads without oscillation.
EMI hardening is achieved via integrated RFI-filtered inputs and internal ESD protection circuitry including steering diodes and a voltage-triggered absorption device, rated for ±4000-V HBM and ±750-V CDM. The device operates across –40°C to +125°C with 2 µV/°C offset drift and 110 dB CMRR.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | 2.7 V to 36 V (±1.35 V to ±18 V): Enables single-supply operation in battery-powered instruments and high-voltage industrial rails. |
| Gain Bandwidth | 1.2 MHz: Supports stable closed-loop gain ≥1 with ≤200-pF load for current-to-voltage conversion. |
| Input Voltage Noise | 22 nV/√Hz at 1 kHz: Enables microvolt-level signal amplification in transducer interfaces without added noise floor. |
| Quiescent Current | 125 µA per amplifier: Allows dual-channel precision amplification in always-on, low-power systems like currency counters. |
| Common-Mode Rejection | 110 dB: Maintains accuracy in noisy environments such as inverters and server PSUs where ground shifts occur. |
| Input Bias Current | 10 pA typical: Minimizes error in high-impedance sensor nodes (e.g., pH probes, photodiode TIA feedback paths). |
| Output Swing | Rail-to-rail: Delivers full dynamic range into 10-kΩ loads, simplifying ADC interface design in test equipment. |
Pinout & Package
VSSOP-8 (DGK) package: 3.00 mm × 3.00 mm body, 0.65-mm lead pitch, 1.00-mm max height-optimized for space-constrained power modules and tracking amplifiers.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output; drives external load or next-stage input with rail-to-rail swing and 0.4 V/µs slew rate. |
| 2 | –IN A | Inverting input for channel A; accepts signals down to V− − 0.1 V, enabling negative-swing signal conditioning. |
| 3 | +IN A | Noninverting input for channel A; paired with –IN A to form differential front-end for tracking amplifier applications. |
| 4 | V− | Negative supply rail; referenced for both amplifiers; must be stable to maintain 110-dB CMRR performance. |
| 5 | +IN B | Noninverting input for channel B; electrically isolated from channel A-supports independent dual-path signal chains. |
| 6 | –IN B | Inverting input for channel B; shares same EMI-hardened input structure as channel A for consistent noise immunity. |
| 7 | OUT B | Amplifier B output; identical AC/DC specs to OUT A-enables matched dual-channel configurations without matching components. |
| 8 | V+ | Positive supply rail; supplies both amplifiers; PSRR >90 dB ensures immunity to ripple on 36-V DC bus lines. |
Key Features
| Feature | Design Value |
|---|---|
| EMI-hardened inputs with RFI filtering | Reduces susceptibility to radiated RF interference in switching power supplies, eliminating need for external ferrite beads. |
| Rail-to-rail output swing | Delivers full 34-Vpp dynamic range from 36-V supply, maximizing SNR in 16-bit ADC driver stages. |
| Phase-reversal protection | Prevents output inversion during input overdrive-critical for fault-tolerant line receivers in industrial communications. |
| Unity-gain stability with 200-pF load | Enables direct connection to long PCB traces or capacitive sensors without external compensation networks. |
| Low THD+N (0.0002% at 1 kHz) | Preserves signal fidelity in audio-grade line drivers and precision test equipment signal paths. |
Applications
| Server Power Supplies | AC-DC Converters |
|---|---|
Use Scenario: Monitoring output voltage and current in digitally controlled 12-V/48-V server PSUs with PMBus interface. IC Role / Device Role / Timing Role: Dual-channel op amp used for simultaneous voltage sensing (channel A) and current-sense amplifier feedback (channel B). Use Value: 125 µA per amplifier enables continuous monitoring without compromising efficiency; rail-to-rail output ensures full-scale ADC utilization. |
Use Scenario: Isolated feedback loop in flyback or LLC resonant converters requiring high-voltage tolerance and noise immunity. IC Role / Device Role / Timing Role: Error amplifier in optocoupler-coupled secondary-side regulation, rejecting EMI from high-frequency transformer coupling. Use Value: EMI-hardened inputs eliminate false triggering from 100-kHz–1-MHz switching noise; 36-V rating supports wide-input-range designs. |
| Tracking Amplifiers in Power Modules | Battery-Powered Instruments |
Use Scenario: Precision voltage follower for gate-drive bias tracking in SiC MOSFET half-bridge modules operating up to 1200 V. IC Role / Device Role / Timing Role: Dual-channel buffer: one channel tracks high-side gate reference, the other buffers low-side reference with matched thermal drift. Use Value: 2 µV/°C offset drift ensures <1-mV tracking error across –40°C to +125°C; dual layout minimizes inter-channel thermal gradients. |
Use Scenario: Front-end amplification for portable multimeters and handheld oscilloscopes powered by 2×AA or Li-ion batteries. IC Role / Device Role / Timing Role: Low-noise, low-power signal conditioner for 100-kΩ input impedance DMM ranges and 1-MΩ probe interfaces. Use Value: 22 nV/√Hz noise and 125 µA IQ enable 16-bit resolution at battery life >100 hours; SOIC/VSSOP compatibility supports compact PCB stacking. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, 36-V, low-power operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2182IDGKT | Higher precision: 4-µV max VOS, 0.01 µV/°C drift, but 425 µA IQ and $3.20 unit price (vs $1.42 for TLV2170IDGKT). | Used in calibration-grade instrumentation where offset stability outweighs power budget constraints. | Select OPA2182IDGKT only when sub-10-µV total error over temperature is required; TLV2170IDGKT remains optimal for cost-sensitive industrial control. |
| LM2904BQDR | Lower performance: 700-µV max VOS, 1.2 MHz GBW, no EMI hardening, but 130 µA IQ and AEC-Q100 qualified. | Automotive body electronics where qualification matters more than noise or EMI immunity. | Choose LM2904BQDR for automotive production; TLV2170IDGKT is preferred for industrial power systems needing EMI resilience and lower noise. |
Compared with OPA2182IDGKT and LM2904BQDR, TLV2170IDGKT uniquely balances EMI hardening, 22-nV/√Hz noise, and 125-µA IQ in a VSSOP-8 package-making it the most cost-effective dual-channel solution for non-automotive, noise-sensitive 36-V analog signal chains.
Availability
TLV2170IDGKT is available at Aetrix Electronics and suitable for server power supplies, AC-DC converters, and battery-powered instruments requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for TLV2170IDGKT 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 company specializing in analog and embedded processing technologies, with over 50 years of op amp innovation and broad industrial application expertise.
The TLVx170 product line was engineered for cost-sensitive, high-reliability industrial systems requiring EMI resilience, wide supply range, and low power-targeting power conversion, test equipment, and precision sensor interfaces.
FAQ
What is the maximum capacitive load drive capability of TLV2170IDGKT?
The TLV2170IDGKT is unity-gain stable with up to 200-pF capacitive load without external compensation. For heavier loads, a series isolation resistor (e.g., 50 Ω) between output and capacitance is required to maintain phase margin and prevent peaking or oscillation-verified in Figure 14 and Figure 15 of the SBOS782A datasheet.
Does TLV2170IDGKT support true rail-to-rail input operation?
TLV2170IDGKT supports input voltages from V− − 0.1 V to V+ − 2 V under normal operation. Full rail-to-rail input (to V+ and V−) is possible but with reduced performance-specifically, increased offset voltage and degraded CMRR beyond the specified linear range, as documented in Section 6.7 of the datasheet.
What is the ESD rating of TLV2170IDGKT and how is it implemented?
TLV2170IDGKT has ±4000-V HBM and ±750-V CDM ESD ratings. Protection is implemented via internal steering diodes on all pins routed to V+ and V− rails, plus a voltage-triggered absorption device that activates only during overstress events-detailed in Figure 27 of SBOS782A.
Can TLV2170IDGKT operate from a single 3.3-V supply?
Yes-TLV2170IDGKT operates from 2.7 V to 36 V single supply (or ±1.35 V to ±18 V dual supply). At 3.3 V, it maintains rail-to-rail output swing, 1.2-MHz GBW, and 125-µA IQ, making it suitable for low-voltage portable instrumentation while retaining EMI hardening and precision specs.
Is TLV2170IDGKT pin-compatible with other devices in the TLVx170 family?
No-TLV2170IDGKT (VSSOP-8) shares pinout with TLV2170IDR (SOIC-8) but is not pin-compatible with TLV170 (SOT-23-5 or SOIC-8 single-channel) or TLV4170 (SOIC-14/TSSOP-14 quad-channel). Pin functions are defined per channel in Table 5 of SBOS782A and differ across channel count variants.
TLV2170IDGKT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.4V/µs
- Gain Bandwidth Product:
- 1.2 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 10 pA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 125µA (x2 Channels)
- Current - Output / Channel:
- 17 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-VSSOP
TLV2170IDGKT FAQ
1.How can I place an order for TLV2170IDGKT through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2170IDGKT 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 TLV2170IDGKT reliable?
The price and inventory of TLV2170IDGKT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2170IDGKT is usually 5 days.
3.What payment methods are accepted for TLV2170IDGKT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2170IDGKT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2170IDGKT?
TLV2170IDGKT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2170IDGKT 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 TLV2170IDGKT?
For technical support, including TLV2170IDGKT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2170IDGKT requirements.
6.How does Aetrix verify that TLV2170IDGKT is sourced from the original manufacturer or authorized distributors?
All TLV2170IDGKT 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 TLV2170IDGKT meets industry standards.
7.What is the process for return or replacement of TLV2170IDGKT?
All TLV2170IDGKT units undergo pre-shipment inspection (PSI). If there is an issue with TLV2170IDGKT, 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 TLV2170IDGKT part is unused and in its original packaging.
Return procedure for TLV2170IDGKT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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