THS4062IDGNR - 180MHz Dual High-Speed Op-Amp | TI
부품 번호: THS4062IDGNR ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $2.05 | $2.05 |
| 10 | $1.89 | $18.90 |
| 100 | $1.72 | $172.00 |
| 500 | $1.58 | $790.00 |
| 1,000 | $1.45 | $1,450.00 |
THS4062IDGNR 개요
A voltage-feedback amplifier is a class of operational amplifier in which the feedback network returns a voltage proportionally related to the output, giving it a constant gain-bandwidth product that simplifies filter and gain-stage design. Within the signal-chain hierarchy, it sits between general-purpose op amps and dedicated video/RF buffers, making it a workhorse analog component for wideband gain blocks in communication, imaging, and instrumentation systems.
Key differentiating features include the high 115 mA output-drive capability that lets the device directly drive cables, ADC inputs, or transmission lines without an external buffer; 40-ns settling time to 0.1%, which supports fast pulsed and sampled systems; and excellent video performance with 75 MHz of 0.1 dB flatness bandwidth, 0.02% differential gain and 0.02-degree differential phase error.
Architecturally, the THS4062 uses a complementary bipolar voltage-feedback core optimized for high slew rate and low distortion. Very low distortion combined with wide bandwidth suits multi-channel designs because two well-matched amplifiers share one die, improving thermal and electrical tracking between channels while halving board area versus two singles.
Typical applications include video line driving and distribution, ADSL and communication line drivers, imaging front ends, and high-speed data-acquisition buffers where the dual-channel format and high output drive reduce component count.
Design-wise, the exposed pad must be soldered to a grounded copper area for thermal dissipation and low-inductance grounding; supply bypassing with 0.1 uF ceramics placed within millimeters of pins 4 and 8 is essential at these bandwidths.
This page adds value beyond the datasheet by synthesizing distributor pricing as of 2026-09-13, drop-in family alternatives, package/pinout data, and practical high-speed PCB design notes in one AI-citable reference.
드롭인 대체품: THS4062IDGNR — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: THS4062IDGNR (동일 폼 팩터 및 풋프린트) — 차이점: Number of Channels, Package, Supply Voltage Range, Amplifier Type, Slew Rate.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
THS4032IDGN
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
THS4062IDGNG4
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
THS4062IDGNR 최대 정격 & 전기적 특성
| Amplifier Type | Voltage Feedback |
| Number of Channels | 2 (Dual) |
| Bandwidth (-3 dB) | 180 MHz |
| Slew Rate | 400 V/us |
| Settling Time (0.1%) | 40 ns |
| Output Drive Current | 115 mA (typ) |
| 0.1 dB Bandwidth Flatness | 75 MHz |
| Differential Gain Error | 0.02% |
| Differential Phase Error | 0.02 deg |
| Supply Voltage Range | 9 V to 33 V (single) / +/-4.5 V to +/-16.5 V (dual) |
| Input Bias Current | 3 uA |
| Open-Loop Gain | 70 dB |
| 동작 온도 범위 | -40C to +85C |
| 패키지 | 8-Pin HVSSOP (DGN) with Exposed Pad, 3.00 mm width |
| 실장 유형 | Surface Mount |
| Packaging | Tape & Reel (R suffix) |
| RoHS 상태 | Compliant |
THS4062IDGNR 핀 구성
| 핀 1 | OUT A — Channel A output |
| 핀 2 | -IN A — Channel A inverting input |
| 핀 3 | +IN A — Channel A non-inverting input |
| 핀 4 | V- — Negative supply (connected to exposed pad) |
| 핀 5 | +IN B — Channel B non-inverting input |
| 핀 6 | -IN B — Channel B inverting input |
| 핀 7 | OUT B — Channel B output |
| 핀 8 | V+ — Positive supply |
일반적인 애플리케이션
THS4062IDGNR 적합 용도: 6 애플리케이션s: Video Line Driving and Distribution, Communication Line Drivers (ADSL/VDSL), High-Speed ADC Input Buffering, Imaging and Ultrasound Front Ends, Test and Measurement Signal Chains, Active Filters and Wideband Gain Blocks.
Video Line Driving and Distribution
The THS4062IDGNR fits video line driving because its 0.02% differential gain and 0.02-degree differential phase errors are below NTSC/PAL visibility thresholds, while 75 MHz of 0.1 dB flatness preserves pulse fidelity across the video band. The 115 mA typical output drive lets each channel directly back-terminate a 75-ohm coaxial cable with a series resistor in gain-of-2 configuration, absorbing reflections and delivering a clean signal to the far end. Because both channels share one die, channel-to-channel gain and phase track closely, which matters in RGB and multi-drop distribution amplifiers. The 180 MHz bandwidth leaves ample margin above the 6-8 MHz video baseband, keeping transient response sharp with minimal overshoot on standard test patterns.
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Communication Line Drivers (ADSL/VDSL)
In xDSL and wired-communication line drivers, the THS4062IDGNR provides the combination of bandwidth, slew rate, and output current that transformer-coupled line interfaces demand. The 400 V/us slew rate supports high peak-to-average ratio discrete-multitone waveforms without slew-induced distortion, and 115 mA of drive handles the stepped-up current through the line transformer primary. Very low distortion preserves constellation accuracy and reduces adjacent-channel emissions, while the 180 MHz bandwidth covers wideband upstream and downstream spectra. The dual-channel format lets one device drive a differential pair of amplifiers per line, halving device count. Designers should verify transformer saturation and thermal dissipation at worst-case crest factors, using the exposed pad pour to conduct heat away from the die.
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High-Speed ADC Input Buffering
When driving high-speed ADCs, the THS4062IDGNR offers 40 ns settling to 0.1% and 180 MHz bandwidth, giving the amplifier enough closed-loop speed to charge the ADC's switched-capacitor input between conversion cycles. The 115 mA output drive absorbs the dynamic charge-injection currents of the ADC sample-and-hold without significant voltage disturbance, and the low distortion keeps harmonics below the converter's quantization floor in 8-to-10-bit systems. In dual-channel digitizer boards, both buffer channels come from one die, so gain and offset track with temperature, improving interleaved or simultaneous-sampling accuracy. A small series resistor (typically 10 to 25 ohms) between amplifier output and ADC input, plus a shunt capacitor at the pin, damps switching kickback per TI ADC interface application guidance.
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Imaging and Ultrasound Front Ends
Medical and industrial imaging receivers use arrays of closely matched, wideband gain stages, and the THS4062IDGNR addresses this with two matched amplifiers per 8-pin package, maximizing channel density on multilayer boards. Its 180 MHz bandwidth covers typical ultrasonic transducer harmonic content after filtering, and the 400 V/us slew rate handles the fast leading edge of received echoes without slewing distortion. Low differential gain and phase performance translates to low amplitude and phase ripple across the received band, protecting grayscale fidelity and Doppler accuracy. The 115 mA output capability drives ADC buffers, cable drivers, or active filters downstream. Channel tracking across one die reduces inter-channel mismatch, which is critical for beamforming algorithms that sum many channels with precise phase relationships.
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Test and Measurement Signal Chains
Bench instruments, arbitrary waveform generator outputs, and scope front-end gain stages benefit from the THS4062IDGNR's combination of 180 MHz bandwidth, 40 ns settling, and high 115 mA output drive. Settling time to 0.1% in 40 ns supports fast pulse and step reproduction with predictable accuracy windows, while low distortion preserves spectral purity for generator outputs feeding filters or analyzers. The wide 9 V to 33 V supply range accommodates +/-12 V or +/-15 V rails common in instrument analog sections, enabling large output swings into 50-ohm back-terminated loads. The dual format is convenient for differential-to-single-ended and single-ended-to-differential converter stages within the same package. Designers should budget thermal dissipation for sustained high-current operation using adequate exposed-pad copper.
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Active Filters and Wideband Gain Blocks
The constant gain-bandwidth behavior of a voltage-feedback amplifier makes the THS4062IDGNR predictable in Sallen-Key, multiple-feedback, and impedance-conversion filter topologies up to tens of megahertz. With 180 MHz of bandwidth, Q enhancement and corner-frequency shift remain small even for 20-50 MHz filters, and the 400 V/us slew rate prevents slew limiting on large sinusoids near the corner frequency. Each dual package implements two filter sections or a differential biquad, compactly scaling to higher-order responses. The 70 dB open-loop gain keeps passband gain accuracy in closed-loop gains up to roughly 10. Layout practitioners should keep feedback paths short, use ground-plane-guarded summing nodes, and verify phase margin with the actual source and load impedances of the filter network.
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추천 제품 요약
엔지니어링 참조 데이터: THS4062IDGNR — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | THS4032IDGN | THS4062IDGNG4 |
|---|---|---|---|
| Package | 8-Pin HVSSOP (DGN) with Exposed Pad | 8-Pin HVSSOP (DGN) - same | 8-Pin HVSSOP (DGN) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Bandwidth (-3 dB) | 180 MHz | ~100 MHz | 180 MHz |
| Channels | 2 (Dual) | 2 (Dual) | 2 (Dual) |
| Supply Voltage Range | 9 V to 33 V | 9 V to 30 V | 9 V to 33 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C |
주요 차별점
- 180 MHz bandwidth in a dual package (vs THS4032IDGN)
- 115 mA output drive per channel (vs THS4032IDGN)
- Video-grade distortion specification (vs THS4032IDGN)
설계 노트
The exposed pad on the bottom of the DGN package is connected to V- and must be soldered to a copper pour. At 180 MHz, the pad also serves as the main low-inductance return path; a floating or poorly wetted pad causes gain peaking, ringing on pulses, and elevated die temperature. Use an array of thermal vias (typically 4-9) from the pad footprint to internal ground/power planes, and verify reflow coverage with X-ray on first-article boards.
Bypass V+ (pin 8) and V- (pin 4) each with 0.1 uF ceramic capacitors placed within 2-3 mm of the pins, plus 4.7-10 uF bulk capacitance per supply rail. At 400 V/us slew rate, load currents transients are fast; long bypass loops cause supply-coupled ringing. Estimated: a 115 mA step into a 50-ohm load with 10 nH of loop inductance produces a ~1.15 V supply disturbance if decoupling is distant - keep loops small.
Do not drive purely capacitive loads directly: the THS4062 needs an isolation resistor (typically 10-50 ohms) for cable/long-line capacitance to preserve phase margin. Keep feedback resistors in the 500 ohm to 1 kohm range - too large adds parasitic-capacitance peaking, too small loads the output. In gain-of-1 configurations, use the datasheet-recommended compensation approach, since unity-gain is the worst-case phase-margin condition for voltage-feedback amplifiers.
규정 준수 정보
RoHS compliant per TI ordering information; standard commercial/industrial grade part, not the AEC-Q100 automotive variant.
