TLE2022IDR - Dual Precision Low-Power Op Amp | Texas Instruments
N.º da peça: TLE2022IDR ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $2.2 | $2,20 |
| 10 | $1.85 | $18,50 |
| 100 | $1.45 | $145,00 |
| 500 | $1.2 | $600,00 |
| 1.000 | $1.05 | $1.050,00 |
| 2.500 | $0.95 | $2.375,00 |
TLE2022IDR Visão geral
What is an operational amplifier (op amp)? An op amp is a high-gain DC-coupled electronic voltage amplifier with differential inputs and, typically, a single-ended output. It is one of the most ubiquitous building blocks in analog electronics, sitting below instrumentation amplifiers and active filters in the signal-chain hierarchy and above individual transistors in functional abstraction. Precision low-power single-supply op amps such as the TLE2022 family are optimized for systems that must operate from a single positive rail (often 3.3V or 5V) while still delivering DC accuracy and AC bandwidth close to what dual-supply parts achieve.
Key features of the TLE2022IDR include two independent op-amp channels in a single SOIC-8 footprint, low power consumption characteristic of the Excalibur process, high-speed response relative to competing low-power op amps, unity-gain stability, and support for single-supply operation. The complementary bipolar process uses isolated vertical PNP transistors that improve input common-mode range and slew rate versus older designs, which is one reason the TLE2022 family remains popular as a successor to the OP21 in legacy designs.
Typical applications include active filters, precision integrators, sample-and-hold front ends, transducer signal conditioning, and battery-powered instrumentation. The 8-pin SOIC footprint is industry standard, allowing easy hand prototyping and high-density SMT assembly on the same PCB land pattern used by countless alternative dual op amps.
When designing with this device, observe the datasheet maximum supply rating and provide proper input common-mode biasing when used on a single supply; the lower rail of the input common-mode range may not extend all the way to ground. Decouple the supply pin close to the IC with at least 0.1 uF ceramic capacitance. A unity-gain stable part can be operated without compensation but should be kept clear of capacitive loads exceeding the datasheet's drive specification.
This page synthesizes current distributor pricing, drop-in same-package and cross-brand alternatives from verified cross-reference data, and practical design notes not found in the bare manufacturer datasheet - giving an engineer a single, structured view for sourcing and second-sourcing decisions.
Alternativas drop-in para TLE2022IDR — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
TLE2022ID
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
TLE2022IDR
✅ Drop-In✓ Em estoque
$0.95 / unidade
Ver ficha técnica →TLE2022AQDRQ1
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
TLE2022QDRQ1
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
TLE2022AQDREP
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
TLE2022IDR Classificações máximas e características elétricas
| Manufacturer | Texas Instruments |
| Part Family | TLE202x Excalibur |
| Part Number | TLE2022IDR |
| Amplifier Type | Precision, Low-Power, Single Supply Operational Amplifier |
| Number of Channels | 2 (Dual) |
| Package Type | SOIC-8 (D) |
| Package Code | D |
| Pins | 8 |
| Faixa de temperatura de operação | -40C to +85C (Industrial) |
| Supply Type | Single Supply |
| Process Technology | Excalibur complementary bipolar (isolated vertical PNP) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
| Lead Free | Yes |
| Nível MSL | 1 (per TI product page) |
| Channels per Package | 2 |
Configuração de pinos do TLE2022IDR
| Pino 1 | OUT A — Output of amplifier A |
| Pino 2 | IN- A — Inverting input of amplifier A |
| Pino 3 | IN+ A — Non-inverting input of amplifier A |
| Pino 4 | V- — Negative supply (ground for single-supply operation) |
| Pino 5 | IN+ B — Non-inverting input of amplifier B |
| Pino 6 | IN- B — Inverting input of amplifier B |
| Pino 7 | OUT B — Output of amplifier B |
| Pino 8 | V+ — Positive supply |
Aplicações típicas
TLE2022IDR é adequado para 7 aplicaçãos: Precision Active Filter Circuit, Transducer Signal Conditioning, Battery-Powered Instrumentation Front End, Sample-and-Hold / Peak Detector Circuit, Industrial 4-20 mA Current Loop Receiver, Precision Integrator for Motor Control, Audio Preamplifier Stage.
Precision Active Filter Circuit
The TLE2022IDR's dual-channel SOIC-8 form factor and Excalibur-process low offset make it well-suited to Sallen-Key and multiple-feedback active filter designs on a single supply rail. Each channel can implement one filter stage, and two channels fit a 2nd-order low-pass or band-pass section in less than 30 mm^2 of PCB area. Compared with the older OP21, the TLE2022 family offers improved slew rate that pushes the usable filter frequency up by roughly an order of magnitude for the same supply current, which is a direct win for anti-aliasing filters ahead of ADCs. Power dissipation is low enough to keep the SOIC-8 well within its thermal envelope at room-temperature industrial operation.
Recomendado
Transducer Signal Conditioning
Bridge, thermocouple, and strain-gauge transducers produce millivolt-level differential signals that demand low offset and moderate gain - exactly the use case the TLE2022IDR addresses. A first channel provides instrumentation-style gain while the second channel implements an active low-pass filter to remove sensor noise before the ADC. Single-supply operation lets the design run from 5V without a negative rail, and the Excalibur process keeps input bias current low enough that high-impedance sensor chains are not loaded down. The -40C to +85C industrial range covers process-control and factory-floor installations.
Recomendado
Battery-Powered Instrumentation Front End
Portable test equipment and handheld meters benefit from the TLE2022IDR's low-power Excalibur architecture, which extends battery life versus older bipolar op amps drawing several mA per channel. The dual-channel SOIC-8 saves board space versus two single op amps while keeping quiescent current low enough for multi-month battery operation. Single-supply operation from a 3V or 5V rail eliminates the boost converter normally needed for dual-supply analog circuits, reducing total BOM cost and PCB area. Industrial temperature rating supports outdoor field-instrument use cases.
Recomendado
Sample-and-Hold / Peak Detector Circuit
The TLE2022IDR's improved slew rate over the OP21 makes it a useful input buffer for sample-and-hold and peak-detector blocks in data-acquisition front ends. Channel A drives the hold capacitor while channel B buffers the held voltage to the ADC, all within a single SOIC-8 footprint. The Excalibur process provides sufficient bandwidth at unity gain to settle a 12- to 14-bit acquisition within typical sample windows. Designers should keep load capacitance below the datasheet-specified drive limit and add a small series resistor for stability when driving large hold capacitors.
Recomendado
Industrial 4-20 mA Current Loop Receiver
Receiving the 4-20 mA current-loop signal in industrial process control requires a sense resistor, low-offset buffer, and ADC front end - the TLE2022IDR provides two channels of precision buffering in a single SOIC-8 for compact loop-receiver designs. The -40C to +85C industrial range plus single-supply 5V or 12V operation aligns with HART and legacy analog sensor interface requirements. Compared with discrete dual-transistor front ends, the integrated op amp solution offers better temperature stability and lower drift over the operating life of the sensor.
Recomendado
Precision Integrator for Motor Control
Motor current sensing and control loops often rely on precision integrators to compute current error over time - the TLE2022IDR's dual channels fit an integrator and a current-sense amplifier in a single SOIC-8. The Excalibur process low offset voltage keeps integrator drift manageable over industrial temperature ranges, which matters when the motor is operating near zero speed with low feedback signals. AEC-Q100 grade variants in the same footprint (TLE2022QDRQ1) extend applicability into automotive motor-control designs without changing the PCB.
Recomendado
Audio Preamplifier Stage
Low-noise preamplifier stages for microphone and line-level audio benefit from the TLE2022IDR's Excalibur bipolar process, which offers lower voltage noise density than legacy low-power op amps. Two channels fit a stereo preamp or a single-ended-to-balanced converter in one SOIC-8, simplifying mixed-signal audio PCB layouts. Single-supply operation from a clean 5V or 12V rail eliminates coupling-capacitor networks in many designs. For higher-end audio where noise density is critical, consider pairing the TLE2022IDR with an ultra-low-noise LDO such as the TPS7A4701 for the analog supply rail.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para TLE2022IDR — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | TLE2022ID | TLE2022IDR (automotive) | TLE2022AQDRQ1 | TLE2022QDRQ1 | TLE2022AQDREP |
|---|---|---|---|---|---|---|
| Package | SOIC-8 (D) | SOIC-8 (D) - same | SOIC-8 (D) - same | SOIC-8 (D) - same | SOIC-8 (D) - same | SOIC-8 (D) - same |
| Brand | Texas Instruments | Texas Instruments - same | Texas Instruments - same | Texas Instruments - same | Texas Instruments - same | Texas Instruments - same |
| Channels | 2 (Dual) | 2 (Dual) | 2 (Dual) | 2 (Dual) | 2 (Dual) | 2 (Dual) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Automotive) | -40C to +125C (AEC-Q100) | -40C to +125C (AEC-Q100) | -40C to +125C (AEC-Q100) |
| AEC-Q100 Qualified | No | No | Yes | Yes | Yes | Yes |
| Packaging Form | Tape & Reel (SOIC-8) | Tube (SOIC-8) | Tape & Reel (SOIC-8) | Tape & Reel (SOIC-8) | Tape & Reel (SOIC-8) | Tape & Reel (SOIC-8) |
| Process Technology | Excalibur bipolar | Excalibur bipolar | Excalibur bipolar | Excalibur bipolar | Excalibur bipolar | Excalibur bipolar |
| RoHS Compliant | Yes | Yes | Yes | Yes | Yes | Yes |
Principais diferenciais
- Excalibur-process precision with single-supply operation (vs TLE2022AQDRQ1)
- Industrial-grade pricing in an automotive-compatible footprint (vs TLE2022QDRQ1)
- Tube packaging variant available for prototyping (vs TLE2022AQDREP)
Notas de projeto
Estimated: At a typical quiescent current of a few hundred uA per channel (per TLE2022 datasheet family characteristics) on a single 5V supply, the SOIC-8 dissipates under 10 mW of quiescent power, so no special thermal management is required. For higher-load conditions, derate the supply voltage to keep total dissipation within the SOIC-8 thermal envelope (theta_JA around 170 C/W on a standard JEDEC test board) and provide adequate copper pour on the V+ pin for heat spreading.
Place a 0.1 uF ceramic decoupling capacitor as close as possible to the V+ pin (pin 8) and a bulk capacitor (1 uF to 10 uF) within a few millimeters of the supply trace. Keep input and output traces short and routed away from switching nodes. For SOIC-8 dual op amps, use a star-ground topology at the V- pin (pin 4) to avoid ground-loop noise coupling into both channels simultaneously.
Do not assume the input common-mode range extends to the negative rail on a single-supply design - the Excalibur process improves over the OP21 but typically still requires biasing to keep inputs within the datasheet-specified common-mode window. Avoid driving capacitive loads exceeding the datasheet's load-drive specification; if necessary, add a 10-100 ohm series resistor at the output for stability. Never substitute the TLE2022IDR (SOIC-8) into a PCB footprint designed for the TLE2022IP (PDIP-8) - the land patterns are different even though the pinout matches.
Keep the two op-amp channels symmetrically routed on the PCB to minimize channel-to-channel mismatch in precision applications. Place sensitive input traces over a continuous ground plane and avoid routing them parallel to high-current outputs. For instrumentation-style circuits using both channels in the same signal path, mirror the layout of channel A to channel B to cancel thermal-gradient offset drift.
Informações de conformidade
RoHS and lead-free per TI TLE2022 product page. Not AEC-Q100 qualified - choose TLE2022QDRQ1 or TLE2022AQDREP for automotive. Halogen-free status not specified in the provided data.
