Overview
The THS4524IDBTR, produced by Texas Instruments, is a quad fully differential amplifier (FDA) that is part of the THS4521, THS4522, and THS4524 family. These devices are designed for low-power data acquisition systems and high-density applications where power dissipation is critical. They feature a fully differential architecture, rail-to-rail output, and an input common-mode range that includes the negative rail, making them ideal for driving analog-to-digital converters (ADCs) and other applications requiring high performance and low power consumption.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Bandwidth | 145 MHz | (AV = 1 V/V) |
| Slew Rate | 490 V/μs | |
| HD2 | –133 dBc | (at 10 kHz, 1 VRMS, RL = 1 kΩ) |
| HD3 | –141 dBc | (at 10 kHz, 1 VRMS, RL = 1 kΩ) |
| Input Voltage Noise | 4.6 nV/√Hz | (at f = 100 kHz) |
| THD+N | –112 dBc (0.00025%) | (at 1 kHz, 22-kHz BW, G = 1, 5 VPP) |
| Open-Loop Gain | 119 dB | (DC) |
| Power Supply Voltage | +2.5 V (±1.25 V) to +5.5 V (±2.75 V) | |
| Power Supply Current | 1.14 mA/ch | |
| Power-Down Capability | 20 μA (typical) | |
| Operating Temperature Range | –40°C to +85°C |
Key Features
- Fully Differential Architecture
- Rail-to-Rail Output
- Negative Rail Input (NRI)
- Accurate Output Common-Mode Control with Low Offset
- Ideal for driving Successive-Approximation Register (SAR) and Delta-Sigma (ΔΣ) ADCs
- Single +2.5V to +5V and ground power supply compatibility
- Low Power Consumption: 1.14 mA/ch
- Power-Down Capability: 20 μA (typical)
Applications
- Low-Power SAR and ΔΣ ADC Drivers
- Low-Power Differential Drivers
- Low-Power Differential Signal Conditioning
- Low-Power, High-Performance Differential Audio Amplifiers
Q & A
- What is the bandwidth of the THS4524IDBTR?
The bandwidth of the THS4524IDBTR is 145 MHz (AV = 1 V/V).
- What is the slew rate of the THS4524IDBTR?
The slew rate of the THS4524IDBTR is 490 V/μs.
- What is the input voltage noise of the THS4524IDBTR?
The input voltage noise of the THS4524IDBTR is 4.6 nV/√Hz at f = 100 kHz.
- What is the power supply voltage range for the THS4524IDBTR?
The power supply voltage range for the THS4524IDBTR is +2.5 V (±1.25 V) to +5.5 V (±2.75 V).
- What is the typical power consumption per channel of the THS4524IDBTR?
The typical power consumption per channel of the THS4524IDBTR is 1.14 mA/ch.
- What is the operating temperature range of the THS4524IDBTR?
The operating temperature range of the THS4524IDBTR is –40°C to +85°C.
- What types of ADCs can the THS4524IDBTR drive?
The THS4524IDBTR is ideally suited for driving both Successive-Approximation Register (SAR) and Delta-Sigma (ΔΣ) ADCs.
- Does the THS4524IDBTR have power-down capability?
Yes, the THS4524IDBTR has a power-down capability with a typical current of 20 μA.
- What is the package type of the THS4524IDBTR?
The THS4524IDBTR is available in a 38-pin TSSOP package.
- What are some common applications of the THS4524IDBTR?
The THS4524IDBTR is commonly used in low-power SAR and ΔΣ ADC drivers, low-power differential drivers, low-power differential signal conditioning, and low-power, high-performance differential audio amplifiers.
