THS4505DGNG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments THS4505DGNG4 is a wideband fully differential amplifier in an 8-pin HVSSOP package with exposed pad. It operates from ±7.5 V or 15 V single supply, delivering 370 MHz bandwidth and 800 V/µs slew rate. Ideal for driving high-speed ADC inputs and differential signal processing chains.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- THS4505DGNG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of THS4505DGNG4?
- 370 MHz -3 dB bandwidth with 800 V/µs slew rate for wideband differential signal paths
- Operates from ±5 V to ±7.5 V dual supply or 5 V to 15 V single supply
- Integrated output common-mode voltage control pin for direct ADC interface
- 80 dB CMRR and 1 mV typical input offset voltage for accurate signal conditioning
- Thermal-enhanced HVSSOP-8 with exposed pad reduces junction temperature in compact layouts
What is THS4505DGNG4 used for?
The THS4505DGNG4 is used to drive the differential inputs of high-speed ADCs in data acquisition systems, software-defined radio front-ends, and test instrumentation where signal integrity and low distortion are mandatory. It converts single-ended signals to differential form and level-shifts the common-mode voltage to match ADC input requirements, simplifying interface design. Its 370 MHz bandwidth makes it effective in IF-sampling receivers and medical imaging signal chains where clean high-frequency differential drive is essential.
What are the specifications of THS4505DGNG4?
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 5.2 µA |
| Bias Current-Max (IIB) @25C | 5 µA |
| Common-mode Reject Ratio-Min | 70dB |
| Common-mode Reject Ratio-Nom | 80dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 1000 µV |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -8.25 V |
| Neg Supply Voltage-Nom (Vsup) | -5 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Packing Method | RAIL |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 1800V/us |
| Supply Current-Max | 25mA |
| Supply Voltage Limit-Max | 8.25V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 210000 |
| Voltage Gain-Min | 100000 |
| Wideband | YES |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Where can I find the THS4505DGNG4 datasheet?
THS4505DGNG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for THS4505DGNG4?
Compatible alternatives and drop-in replacements for THS4505DGNG4:
Amplifier, 1 Func, 7000uV Offset-Max, 20MHz Band Width, BICMOS, PDSO8
Amplifier, 1 Func, 7000uV Offset-Max, 20MHz Band Width, BICMOS, PDSO8
Frequently Asked Questions
What bandwidth and slew rate does the THS4505DGNG4 achieve for driving a high-speed ADC?
The THS4505DGNG4 delivers a -3 dB bandwidth of 370 MHz and a slew rate of 800 V/µs, making it capable of driving 12-bit to 14-bit ADCs sampling at up to 100 MSPS with minimal passband droop. Its high slew rate preserves fast transient edges in pulse-based data acquisition systems.
How does the output common-mode control pin on the THS4505DGNG4 simplify ADC interfacing?
A dedicated VOCM pin allows the user to set the output common-mode voltage anywhere between the supply rails by applying a reference voltage, eliminating the need for external common-mode bias networks. This is critical when connecting to ADCs that require a specific input common-mode voltage such as 2.5 V or VDD/2, ensuring no DC offset at the converter input.
Can the THS4505DGNG4 operate from a single 5 V supply in a portable instrument design?
Yes, the THS4505DGNG4 operates from a single 5 V supply up to 15 V, with the VOCM pin set to half supply at 2.5 V for a symmetric output swing. At 5 V single supply, the device still provides sufficient output voltage swing for driving 12-bit ADCs with 2 V differential full-scale inputs, making it suitable for battery-assisted portable instruments.
When would the THS4505DGNG4 be chosen over the THS4503 for a differential signal chain?
The THS4505DGNG4 offers 370 MHz bandwidth versus 370 MHz on the THS4503, but the THS4505 is specifically specified for the HVSSOP-8 package with an exposed pad that improves thermal dissipation by at least 30% in high-drive applications. For designs where PCB thermal management is a constraint at output currents above 50 mA, the THS4505 package provides meaningful reliability margin over the non-EP THS4503 variant.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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