ADA4807-1AKSZ - 180MHz RRIO Op Amp | Analog Devices
N.º de pieza: ADA4807-1AKSZ ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $4.56 | $4,56 |
| 10 | $4.1 | $41,00 |
| 100 | $3.65 | $365,00 |
| 500 | $3.28 | $1.640,00 |
| 1.000 | $2.95 | $2.950,00 |
ADA4807-1AKSZ Descripción general
An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output. It is a fundamental building block in analog signal conditioning, used for amplification, filtering, and buffering. The ADA4807-1 belongs to the class of rail-to-rail input/output (RRIO) amplifiers, which allow input and output signals to swing close to the supply rails, maximizing dynamic range in low-voltage systems. This makes it ideal for battery-powered and portable applications.
Key features include a unity-gain bandwidth of 180 MHz, a slew rate of 225 V/µs, and a supply voltage range of 2.7 V to 5 V (or ±1.35 V to ±2.5 V). The amplifier is stable for gains of 1 or greater and features a disable pin for power saving. Its low noise and high bandwidth make it suitable for driving high-speed ADCs, video amplification, and active filters.
The ADA4807-1 uses a complementary bipolar process that achieves low distortion and high linearity. The rail-to-rail output stage can swing within 50 mV of the rails, and the input common-mode range extends beyond the rails by 100 mV. The device is fully specified over the industrial temperature range and is available in both SC-70 and SOT-23 packages.
Typical applications include portable instrumentation, battery-powered audio, ADC drivers, and photodiode amplification. The low quiescent current extends battery life, while the high bandwidth supports fast signal processing.
When designing with this amplifier, ensure proper decoupling with 0.1 µF capacitors close to the supply pins. The disable pin can be used for power sequencing, but must be tied to the appropriate logic level if unused.
Alternativas directas para ADA4807-1AKSZ — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ADA4807-1AKSZ-R2
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADA4807-1AKSZ-R7
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
OPA2863A
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ADA4807-1AKSZ Valores máximos y características eléctricas
| Amplifier Type | Voltage Feedback |
| Number of Circuits | 1 |
| Tipo de salida | Rail-to-Rail |
| Slew Rate | 225 V/µs |
| Gain Bandwidth Product | 180 MHz |
| Current - Input Bias | 0.7 pA |
| Voltage - Input Offset | 100 µV |
| Current - Supply | 1 mA |
| Current - Output / Channel | 60 mA |
| Voltage - Supply Span (Min) | 2.7 V |
| Voltage - Supply Span (Max) | 5 V |
| Temperatura de funcionamiento | -40°C to +125°C |
| Encapsulado / Carcasa | SC-70-6 |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
Configuración de pines de ADA4807-1AKSZ
| Pin 1 | OUT — Amplifier output |
| Pin 2 | V- — Negative supply or ground |
| Pin 3 | IN+ — Non-inverting input |
| Pin 4 | IN- — Inverting input |
| Pin 5 | V+ — Positive supply |
| Pin 6 | PD — Power-down (active low) |
Aplicaciones típicas
ADA4807-1AKSZ es adecuado para 6 aplicacións: Portable Instrumentation, Battery-Powered Audio, ADC Driver, Photodiode Amplification, Active Filters, Video Amplification.
Portable Instrumentation
The ADA4807-1AKSZ's low power (1 mA) and small SC-70 package make it ideal for portable instruments like handheld multimeters and portable data loggers. Its rail-to-rail output maximizes dynamic range in battery-powered systems, and the low noise (3.1 nV/√Hz) ensures accurate measurement of small signals. The 180 MHz bandwidth supports fast signal acquisition, while the wide temperature range (-40°C to +125°C) ensures reliability in field use.
Recomendado
Battery-Powered Audio
In battery-powered audio devices like portable media players and hearing aids, the ADA4807-1AKSZ provides high-fidelity amplification with minimal power drain. Its low voltage noise (3.1 nV/√Hz) and low current noise (0.7 pA/√Hz) preserve audio detail, while the rail-to-rail output allows maximum signal swing from a 3.3 V supply. The 180 MHz bandwidth ensures negligible phase shift in the audio band, and the 1 mA quiescent current extends battery life.
Recomendado
ADC Driver
The ADA4807-1AKSZ is well-suited as an ADC driver for high-speed SAR and pipeline ADCs. Its 180 MHz bandwidth and 225 V/µs slew rate ensure fast settling, while the low noise and low distortion preserve signal integrity. The rail-to-rail output can drive the full-scale input range of ADCs like the AD7980, and the disable pin allows power saving between conversions. The small SC-70 package minimizes board space in multi-channel systems.
Recomendado
Photodiode Amplification
For photodiode transimpedance amplifiers, the ADA4807-1AKSZ's low input bias current (0.7 pA) and low voltage noise (3.1 nV/√Hz) are critical for detecting small photocurrents. The 180 MHz bandwidth supports high-speed optical communication, and the rail-to-rail output allows direct interface to ADCs. The low power consumption is beneficial in battery-powered optical sensors, and the wide temperature range suits industrial sensing.
Recomendado
Active Filters
The ADA4807-1AKSZ is ideal for active filters in communication and instrumentation systems. Its 180 MHz unity-gain bandwidth allows implementation of high-frequency filters, while the low noise and distortion maintain signal purity. The rail-to-rail output enables filters that operate from low supply voltages, and the small package is suitable for compact filter modules. The low power consumption is advantageous in multi-channel filter banks.
Recomendado
Video Amplification
The ADA4807-1AKSZ's 180 MHz bandwidth and 225 V/µs slew rate make it suitable for video amplification in CCTV and broadcast equipment. It can drive composite video signals with minimal distortion, and the rail-to-rail output allows direct coupling to video ADCs. The low power consumption is beneficial in multi-channel video systems, and the small SC-70 package saves board space.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ADA4807-1AKSZ — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ADA4807-1AKSZ-R2 | ADA4807-1AKSZ-R7 | ADA4807-1ARJZ-R2 | OPA2863A |
|---|---|---|---|---|---|
| Package | SC-70-6 | SC-70-6 | SC-70-6 | SOT-23-6 | SC-70-6 |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Gain Bandwidth Product | 180 MHz | 180 MHz | 180 MHz | 180 MHz | 50 MHz |
| Slew Rate | 225 V/µs | 225 V/µs | 225 V/µs | 225 V/µs | 100 V/µs |
| Input Voltage Noise | 3.1 nV/√Hz | 3.1 nV/√Hz | 3.1 nV/√Hz | 3.1 nV/√Hz | 4.5 nV/√Hz |
| Quiescent Current | 1 mA | 1 mA | 1 mA | 1 mA | 1.1 mA |
| Supply Voltage Range | 2.7 V to 5 V | 2.7 V to 5 V | 2.7 V to 5 V | 2.7 V to 5 V | 2.7 V to 5.5 V |
| Rail-to-Rail | Yes | Yes | Yes | Yes | Yes |
Diferenciadores clave
- Lowest input noise among high-speed RRIO amplifiers (frente a OPA2863A)
- Higher bandwidth (frente a OPA2863A)
- Lower quiescent current (frente a OPA2863A)
Notas de diseño
The ADA4807-1AKSZ operates from 2.7 V to 5 V supplies. Use a 0.1 µF ceramic capacitor close to each supply pin to ensure stability. For dual-supply operation, ensure the negative supply is clean and well-decoupled. The low quiescent current (1 mA) makes it suitable for battery-powered designs, but consider the output current capability (60 mA) when driving heavy loads.
For optimal performance, place the ADA4807-1AKSZ close to the signal source and keep feedback paths short. Use a ground plane to minimize noise and parasitic inductance. The SC-70 package has a 0.65 mm pitch, so ensure proper soldering techniques. For high-frequency applications, use surface-mount components and minimize trace lengths.
Do not exceed the absolute maximum supply voltage of 6 V. The disable pin (PD) is active low; if unused, tie it to V+ to keep the amplifier enabled. Ensure the input common-mode voltage does not exceed the rails by more than 100 mV to avoid latch-up. For unity-gain stability, the amplifier is stable for gains of 1 or greater, but verify stability with capacitive loads.
Información de cumplimiento
EU RoHS compliant and REACH compliant per Abacus Technologies. DRC status: Conflict Free Undeterminable.
