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Texas Instruments THS4513RGTR
- Part No.:
- THS4513RGTR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 16-VFQFN Exposed Pad
- Datasheet:
-
THS4513RGTR.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 16VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,699
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Product details
Overview
THS4513RGTR from Texas Instruments is a wideband, fully-differential amplifier optimized for high-linearity 5-V data acquisition systems. It delivers 2.2 nV/√Hz input voltage noise, –75 dBc HD2 and –86 dBc HD3 at 70 MHz (2-VPP output), 5100 V/μs slew rate, and 2.9 ns 1% settling time-enabling precision ADC driving in wireless baseband and medical imaging front-ends.
For engineers reviewing the THS4513RGTR datasheet, THS4513RGTR pinout, THS4513RGTR application, or THS4513RGTR equivalent, this page provides verified specifications, package layout, real-world use cases, and validated alternative options for high-frequency differential signal conditioning in single-supply 5-V systems.
Technical Context
The THS4513RGTR employs a fully-differential architecture with centered input common-mode range (1.1 V to 3.9 V on 5-V supply) and integrated output common-mode control circuitry that maintains output CM voltage within ±5 mV of setpoint. Its minimum gain is 0 dB (unity gain stable), supporting direct connection to ADC inputs without external gain stages.
It features independent CM input terminals (pins 4 & 9), power-down capability (0.65 mA quiescent current), and rail-to-rail output swing (±1.4 V into 100 Ω per output). The device operates across –40°C to +85°C and supports both ±2.5-V and single 5-V supplies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-signal bandwidth | 1.6 GHz at G = 0 dB - enables wideband IF/RF signal conditioning up to UHF frequencies |
| Slew rate (differential) | 5100 V/μs - supports fast transient response for pulsed radar and burst-mode communications |
| 1% settling time | 2.9 ns for 2-V step - ensures accurate sampling in high-speed ADC interfaces (≥300 MSPS) |
| HD2 / HD3 @ 70 MHz | –75 dBc / –86 dBc at 2-VPP - meets stringent linearity requirements for LTE/WiMAX receiver chains |
| Input voltage noise | 2.2 nV/√Hz above 10 MHz - preserves SNR in low-amplitude sensor and medical imaging signal paths |
| OIP3 @ 70 MHz | 42 dBm into 100 Ω - provides robust two-tone intermodulation performance in dense RF environments |
| Quiescent current | 37.7 mA typical at +25°C - balances ultra-high speed with moderate power in 5-V systems |
Pinout & Package
The THS4513RGTR is housed in a 16-pin QFN package (RGT) with exposed thermal pad. Pin 1 is NC; pins 5–8 and 13–16 are dedicated VS+ and VS− supply rails respectively; dual CM inputs (pins 4 & 9) enable precise output common-mode setting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NC) | No internal connection | Must be left unconnected; no routing or grounding required |
| 2 (VIN−) | Inverting input | Differential input node; referenced to midsupply for optimal CMRR |
| 3 (VOUT+) | Noninverting output | Positive leg of differential output pair; drives ADC AIN+ or transformer primary |
| 4, 9 (CM) | Common-mode voltage input | Set output CM level externally; default is 0 V (midsupply) when open |
| 5–8 (VS+) | Positive supply rail | Four parallel pins reduce inductance and improve PSRR at high frequencies |
| 10 (VOUT−) | Inverting output | Negative leg of differential output pair; matched to VOUT+ for balance error < –52 dB |
| 11 (VIN+) | Noninverting input | Differential input node; used with VIN− for fully-differential or single-ended-to-differential conversion |
| 12 (PD) | Power-down control | Logic-low (≤0.7 V + VS−) disables amplifier; turn-off delay is 10 μs |
| 13–16 (VS−) | Negative supply rail | Four parallel pins enhance thermal dissipation and ground return integrity |
Key Features
| Feature | Design Value |
|---|---|
| Fully-differential architecture | Eliminates even-order distortion and common-mode noise pickup in high-EMI environments |
| Output common-mode control | Maintains output CM voltage within ±5 mV offset while allowing external override for ADC reference alignment |
| Minimum gain of 0 dB | Enables unity-gain buffer configuration without stability compensation, simplifying PCB layout |
| Power-down mode | Reduces quiescent current to 0.65 mA, enabling dynamic power gating in battery-sensitive test equipment |
| High slew rate & fast settling | 5100 V/μs and 2.9 ns to 1% supports accurate digitization of fast transients in ultrasound and LIDAR receivers |
Applications
| 5-V High-Linearity ADC Driver | Wireless Baseband I/Q Amplifier |
|---|---|
|
Use Scenario: Driving 14-bit, 250-MSPS pipeline ADC in portable spectrum analyzer. IC Role / Device Role / Timing Role: Fully-differential gain stage converting single-ended IF signal to matched differential pair with precise CM level control. Use Value: 2.2 nV/√Hz noise and –86 dBc HD3 preserve ENOB > 12.5 bits at 70 MHz input frequency. |
Use Scenario: I/Q channel amplification in 4G LTE femtocell transceiver before DAC output filtering. IC Role / Device Role / Timing Role: Baseband differential driver ensuring amplitude/phase balance between I and Q paths. Use Value: Output balance error < –52 dB and OIP3 = 42 dBm minimize EVM degradation under multi-carrier conditions. |
| Medical Ultrasound Beamformer | High-Speed Test Equipment Front-End |
|
Use Scenario: Time-gain compensation (TGC) amplifier in phased-array ultrasound receiver channel. IC Role / Device Role / Timing Role: Low-noise, wideband differential gain block amplifying weak echo signals before digitization. Use Value: 1.6 GHz small-signal bandwidth supports harmonic imaging up to 15 MHz transducer frequencies. |
Use Scenario: Signal conditioning stage in automated test equipment capturing fast digital eye diagrams. IC Role / Device Role / Timing Role: High-fidelity differential buffer isolating DUT from scope input, preserving edge fidelity. Use Value: 2.9 ns 1% settling and 5100 V/μs slew rate ensure sub-nanosecond timing accuracy for 10-Gbps serial analysis. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fully-differential amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS4521RGTR | Lower noise (1.6 nV/√Hz), higher supply current (45 mA), same RGT package | Better SNR-critical applications (e.g., MRI front-end); less suitable for power-constrained portable test gear | Select THS4521RGTR when noise dominates over power; THS4513RGTR preferred for balanced speed/power trade-offs |
| LMH5401RTAR | Higher bandwidth (10 GHz), no integrated CM control, different pinout (16-pin WQFN) | Requires external CM feedback network; better suited for DC-coupled RF applications beyond 1 GHz | Choose LMH5401RTAR for >3 GHz signal chains; THS4513RGTR remains optimal for 5-V ADC interface with built-in CM control |
Compared with THS4521RGTR and LMH5401RTAR, the THS4513RGTR uniquely combines 1.6 GHz bandwidth, integrated output common-mode control, and 37.7 mA quiescent current in a production-qualified QFN package-making it the most directly applicable solution for 5-V, high-linearity data acquisition where CM alignment and power efficiency are jointly critical.
Availability
THS4513RGTR is available at Aetrix Electronics and suitable for 5-V data acquisition systems, wireless communication infrastructure, and medical imaging equipment requiring stable component supply across industrial temperature ranges.
Supply support for THS4513RGTR 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 specializing in analog, embedded processing, and connectivity technologies with over 50 years of innovation in high-performance signal chain solutions.
The THS4513RGTR belongs to TI's high-speed differential amplifier product line, engineered specifically for precision, low-distortion signal conditioning in 3.3-V to 5-V data acquisition systems interfacing with high-resolution ADCs.
FAQ
What is the minimum stable gain for THS4513RGTR?
The THS4513RGTR is specified for minimum gain of 0 dB (unity gain) and is internally compensated for stability at this configuration. It does not require external gain-setting resistors to remain stable, making it suitable as a differential buffer in ADC front-end designs without added complexity.
Does THS4513RGTR support single-supply operation?
Yes, THS4513RGTR supports true single-supply operation at 5 V (VS+ = 5 V, VS− = 0 V) with input and output common-mode voltages centered at 2.5 V. Its input common-mode range extends from 1.1 V to 3.9 V, and output swing reaches ±1.4 V relative to midsupply under load.
How does the CM input function work on THS4513RGTR?
The THS4513RGTR has dual CM input terminals (pins 4 and 9) that accept an external voltage to set the output common-mode level. When left open, internal circuitry defaults to 0 V (midsupply). The CM control loop maintains output CM within ±5 mV of the applied voltage, enabling precise alignment with ADC reference voltages.
What is the power-down behavior of THS4513RGTR?
Driving pin 12 (PD) logic-low (≤0.7 V + VS−) places THS4513RGTR into power-down mode, reducing quiescent current to 0.65 mA. Turn-off delay is 10 μs; turn-on delay is 55 ns. Input bias current drops to 100 μA, and outputs enter high-impedance state during shutdown.
Is THS4513RGTR pin-compatible with other devices in the THS45xx family?
No-THS4513RGTR uses a unique 16-pin QFN (RGT) footprint with dual CM inputs and four dedicated VS+ and VS− pins. It is not pin-compatible with THS4509, THS4511, or THS4521, which use different pinouts and supply configurations despite functional similarities.
THS4513RGTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Differential
- Number of Circuits:
- 1
- Output Type:
- Differential
- Slew Rate:
- 5100V/µs
- Gain Bandwidth Product:
- 2.8 GHz
- -3db Bandwidth:
- 1.6 GHz
- Current - Input Bias:
- 8 µA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 37.7mA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 3 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-VQFN (3x3)
THS4513RGTR FAQ
1.How can I place an order for THS4513RGTR through Aetrix?
Please submit a Request for Quotation (RFQ) for THS4513RGTR 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 THS4513RGTR reliable?
The price and inventory of THS4513RGTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS4513RGTR is usually 5 days.
3.What payment methods are accepted for THS4513RGTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS4513RGTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS4513RGTR?
THS4513RGTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS4513RGTR 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 THS4513RGTR?
For technical support, including THS4513RGTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS4513RGTR requirements.
6.How does Aetrix verify that THS4513RGTR is sourced from the original manufacturer or authorized distributors?
All THS4513RGTR 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 THS4513RGTR meets industry standards.
7.What is the process for return or replacement of THS4513RGTR?
All THS4513RGTR units undergo pre-shipment inspection (PSI). If there is an issue with THS4513RGTR, 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 THS4513RGTR part is unused and in its original packaging.
Return procedure for THS4513RGTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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