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Texas Instruments THS4222DGNR
- Part No.:
- THS4222DGNR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
THS4222DGNR.pdf
- Description:
- IC OPAMP VFB 2 CIRCUIT 8HVSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,915
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Product details
Overview
THS4222DGNR from Texas Instruments is a dual, rail-to-rail output, high-speed voltage-feedback operational amplifier optimized for low-distortion signal conditioning in data converter interfaces and video systems. It delivers 230 MHz small-signal bandwidth (G = 1), 975 V/µs slew rate, −90 dBc HD2 / −100 dBc HD3 at 5 MHz (RL = 499 Ω), and ±4.8 V output swing into 2 kΩ on ±5 V supplies.
For engineers reviewing the THS4222DGNR datasheet, THS4222DGNR pinout, THS4222DGNR application, or THS4222DGNR equivalent, key selection criteria include its dual-channel rail-to-rail output stage, 8-pin MSOP PowerPAD™ package thermal performance, video-grade differential gain/phase (0.007% / 0.007°), and compatibility with 3 V to 15 V single/dual supply operation.
Technical Context
The THS4222DGNR implements a voltage-feedback architecture with unity-gain stability and a fully differential input stage driving a rail-to-rail Class-AB output stage. Its internal compensation ensures stable operation across gains ≥1 without external components.
It supports dual-supply (±1.35 V to ±7.5 V) or single-supply (2.7 V to 15 V) operation, with input common-mode range extending to within 1.1 V of each rail and output swing to within 0.2 V of rails (RL = 499 Ω). No power-down functionality is present-this distinguishes it from THS4226.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-signal BW (G=1) | 230 MHz - enables baseband signal amplification up to UHF frequencies without gain peaking |
| Slew rate | 975 V/µs - supports full-scale transient response for 10-bit+ ADC drivers at >50 MSPS |
| HD2 / HD3 @ 5 MHz | −90 dBc / −100 dBc - preserves SFDR in wideband receiver front-ends and IF sampling stages |
| Rail-to-rail output | ±4.8 V into 2 kΩ - maximizes dynamic range when interfacing with 10–12-bit SAR or pipeline ADCs |
| Quiescent current | 14 mA per channel - balances speed and power for portable instrumentation and battery-aware designs |
| Differential gain/phase | 0.007% / 0.007° - meets broadcast NTSC/PAL video linearity requirements without post-correction |
| Input voltage noise | 13 nV/√Hz @ 1 MHz - limits contribution to system noise floor in precision analog signal chains |
Pinout & Package
The THS4222DGNR is housed in an 8-pin MSOP PowerPAD™ (DGN) package with exposed thermal pad on underside, requiring connection to a PCB copper pour for optimal thermal dissipation (ΘJA = 58.4°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OUT | Channel 1 output | Drives load directly; rail-to-rail swing supports full utilization of ADC input range |
| 1IN− | Channel 1 inverting input | High-impedance node (33 MΩ); used for feedback and inverting gain configurations |
| 1IN+ | Channel 1 non-inverting input | High-impedance node; sets DC bias point in single-supply applications |
| VS− | Negative supply rail | Reference for internal biasing; must be decoupled with 0.1 µF + 10 µF near pin |
| VS+ | Positive supply rail | Reference for internal biasing; same decoupling requirement as VS− |
| 2OUT | Channel 2 output | Independent output; crosstalk < −90 dB at 5 MHz enables dual-path signal processing |
| 2IN− | Channel 2 inverting input | Electrically isolated from Channel 1 inputs; supports independent feedback networks |
| 2IN+ | Channel 2 non-inverting input | DC-bias reference for second channel; no shared internal nodes with Channel 1 |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output stage | Delivers >95% of full supply voltage swing into 499 Ω loads, preserving SNR in ADC driver applications |
| Ultra-low harmonic distortion | −100 dBc third-harmonic at 5 MHz enables clean IF amplification in communications receivers |
| Video-optimized linearity | 0.007° differential phase error eliminates color shift in composite video distribution paths |
| Wide supply range | Operates from 2.7 V single supply to ±7.5 V dual supply-supports legacy and low-voltage systems |
| Thermally enhanced PowerPAD™ | θJC = 4.7°C/W enables 1.71 W power dissipation at TA ≤ 25°C when pad is soldered to 1-in² copper |
Applications
| ADC Driver Interface | Composite Video Amplifier |
|---|---|
Use Scenario: Driving the input of a 10-bit, 50 MSPS pipeline ADC in a software-defined radio receiver front-end. IC Role / Device Role / Timing Role: Single-supply (5 V) buffer and level-shifter that conditions baseband I/Q signals prior to digitization. Use Value: 230 MHz bandwidth and 975 V/µs slew rate ensure accurate capture of fast transients; −100 dBc HD3 prevents intermodulation spurs from degrading adjacent-channel rejection. | Use Scenario: Amplifying NTSC composite video signals in a broadcast-quality video switcher with minimal color fidelity loss. IC Role / Device Role / Timing Role: Dual-channel gain-of-2 video line driver with matched channels for Y/C separation paths. Use Value: 0.007% differential gain and 0.007° differential phase meet SMPTE RP-168 specifications; rail-to-rail output drives 75 Ω coaxial loads directly. |
| Active Anti-Aliasing Filter | Low-Voltage Instrumentation Signal Chain |
Use Scenario: Implementing a 40 MHz 0.1 dB flat-bandwidth, 5-pole active low-pass filter before a 100 MSPS ADC. IC Role / Device Role / Timing Role: Dual op-amp section configured as unity-gain buffer and 2nd-order Sallen-Key stage in cascade. Use Value: 40 MHz 0.1 dB bandwidth ensures alias suppression beyond Nyquist; low distortion preserves spectral purity of filtered sensor outputs. | Use Scenario: Conditioning thermocouple or strain gauge outputs in a handheld multimeter powered by two AA cells (3 V). IC Role / Device Role / Timing Role: Dual-channel signal conditioner providing gain, offset correction, and drive capability for low-power microcontroller ADCs. Use Value: Operation down to 3 V supply with rail-to-rail I/O maximizes usable range from limited battery voltage; 14 mA/ch quiescent current extends operating life. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, dual op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS4226DGQ | Includes power-down mode (PD pins), 10-pin DGQ package, higher crosstalk isolation (−90 dB vs −90 dB typical) | Required where intermittent operation or multi-channel sequencing is needed | Select THS4226DGQ only if power-down control is mandatory; THS4222DGNR offers lower pin count and proven thermal performance in MSOP |
| OPA2691ID | Higher slew rate (1800 V/µs), wider GBW (500 MHz), but higher quiescent current (12.5 mA/ch) and no rail-to-rail output | Better suited for ultra-fast pulse amplification where output swing > ±3.5 V is acceptable | Choose OPA2691ID for >100 MHz full-power bandwidth needs; THS4222DGNR preferred when rail-to-rail swing and low distortion dominate |
Compared with THS4226DGQ and OPA2691ID, the THS4222DGNR provides the optimal balance of rail-to-rail output, video-grade linearity, and thermal efficiency in a compact 8-pin MSOP PowerPAD™ package-making it ideal for space-constrained, high-fidelity analog signal paths without power-gating requirements.
Availability
THS4222DGNR is available at Aetrix Electronics and suitable for ADC driver interfaces, composite video amplifiers, active anti-aliasing filters, and low-voltage instrumentation signal chains requiring stable component supply and guaranteed long-term manufacturability.
Supply support for THS4222DGNR 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 delivering analog and embedded processing solutions for industrial, automotive, and communications markets.
The THS4222 family was designed specifically for high-fidelity, high-speed signal conditioning in data acquisition and video systems-emphasizing low distortion, rail-to-rail output, and robust thermal performance in compact packages.
FAQ
What supply voltage ranges does the THS4222DGNR support?
The THS4222DGNR operates from a single supply of 2.7 V to 15 V or dual supplies of ±1.35 V to ±7.5 V. At 3.3 V single supply, it delivers 200 MHz small-signal bandwidth and 250 V/µs slew rate; at ±5 V, it achieves 230 MHz and 975 V/µs. The specified operating voltage maximum is 15 V total (single) or ±7.5 V (dual), with absolute maximum supply voltage rated at 16.5 V.
Does the THS4222DGNR have power-down capability?
No, the THS4222DGNR does not include power-down functionality. That feature is exclusive to the THS4226 variant (e.g., THS4226DGQ), which adds dedicated PD pins. The THS4222DGNR pinout contains only the eight core signal and supply terminals-1OUT, 1IN−, 1IN+, VS−, VS+, 2OUT, 2IN−, and 2IN+-with no power-down control inputs.
What is the thermal design requirement for the THS4222DGNR's PowerPAD™ package?
The THS4222DGNR uses an 8-pin MSOP PowerPAD™ (DGN) package with an exposed thermal pad. For reliable operation at full rated power (1.71 W at TA ≤ 25°C), the pad must be soldered to a minimum 1-in² internal or external copper pour connected to VS− or ground. Thermal resistance drops from ΘJA = 58.4°C/W (with proper pad connection) to >200°C/W if left unconnected-risking junction temperature exceedance above 125°C.
How does the THS4222DGNR perform in video applications?
The THS4222DGNR delivers broadcast-grade video performance: 0.007% differential gain and 0.007° differential phase error (NTSC/PAL, G = 2, R = 150 Ω), 40 MHz 0.1 dB flat bandwidth, and −90 dBc HD2/−100 dBc HD3 at 5 MHz. These characteristics enable direct replacement of legacy video op-amps in RGB, Y/C, or composite video distribution without external linearization circuitry.
Is the THS4222DGNR pin-compatible with other devices in the THS422x family?
Yes, the THS4222DGNR shares identical pinout and footprint with THS4222D (SOIC-8) and THS4222DGK (MSOP-8), all using the same 1OUT/1IN−/1IN+/VS−/VS+/2OUT/2IN−/2IN+ assignment. However, it is not pin-compatible with THS4226DGQ (10-pin DGQ) or THS4221 variants (single-channel), which differ in channel count and terminal count. Always verify package mechanical drawings before PCB layout.
THS4222DGNR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 990V/µs
- Gain Bandwidth Product:
- 120 MHz
- -3db Bandwidth:
- 230 MHz
- Current - Input Bias:
- 900 nA
- Voltage - Input Offset:
- 3 mV
- Current - Supply:
- 14mA (x2 Channels)
- Current - Output / Channel:
- 100 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 15 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-HVSSOP
THS4222DGNR FAQ
1.How can I place an order for THS4222DGNR through Aetrix?
Please submit a Request for Quotation (RFQ) for THS4222DGNR 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 THS4222DGNR reliable?
The price and inventory of THS4222DGNR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS4222DGNR is usually 5 days.
3.What payment methods are accepted for THS4222DGNR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS4222DGNR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS4222DGNR?
THS4222DGNR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS4222DGNR 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 THS4222DGNR?
For technical support, including THS4222DGNR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS4222DGNR requirements.
6.How does Aetrix verify that THS4222DGNR is sourced from the original manufacturer or authorized distributors?
All THS4222DGNR 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 THS4222DGNR meets industry standards.
7.What is the process for return or replacement of THS4222DGNR?
All THS4222DGNR units undergo pre-shipment inspection (PSI). If there is an issue with THS4222DGNR, 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 THS4222DGNR part is unused and in its original packaging.
Return procedure for THS4222DGNR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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