Overview
The THS3091DDAG3 is a high-voltage, low-distortion, high-speed current-feedback amplifier produced by Texas Instruments. This device is part of the THS309x series, which includes the THS3091 and THS3095 models. The THS3091DDAG3 is designed to operate over a wide supply range of ±5 V to ±16 V, making it suitable for applications requiring large, linear output signals.
The amplifier features a high slew rate, wide bandwidth, and high output current drive, making it an excellent choice for applications such as pin drivers, power-FET drivers, and arbitrary waveform generators. The THS3091DDAG3 is available in an 8-pin HSOIC (DDA) PowerPAD™ integrated circuit package.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer | Texas Instruments | Number of Channels | 1 Channel |
| GBP - Gain Bandwidth Product | 235 MHz | SR - Slew Rate | 6000 V/μs (G = 5, VO = 20 VPP) |
| CMRR - Common Mode Rejection Ratio | 69 dB | Output Current per Channel | ±310 mA |
| Ib - Input Bias Current | 15 μA | Vos - Input Offset Voltage | 900 μV |
| Supply Voltage - Max | 32 V | Supply Voltage - Min | ±5 V to ±16 V |
| Operating Supply Current | 9.5 mA | Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C | Mounting Style | SMD/SMT |
| 3 dB Bandwidth | 235 MHz | Amplifier Type | Current Feedback |
| Package Type | HSOIC (DDA) | Package QTY | 75 |
Key Features
- Low Distortion: 84-dBc HD2 and 99-dBc HD3 at 10 MHz, RL = 1 kΩ
- Low Noise: 15-pA/√Hz noninverting current noise, 14-pA/√Hz inverting current noise, and 1.1-nV/√Hz voltage noise
- High Slew Rate: 6000 V/μs (G = 5, VO = 20 VPP)
- Wide Bandwidth: 305 MHz (G = 2, RL = 100 Ω)
- High Output Current Drive: ±310 mA
- Wide Supply Range: ±5 V to ±16 V
- High Capacitive Load Handling: Ability to handle large voltage swings driving into low-resistance and high-capacitance loads while maintaining good settling time performance
Applications
- High-Voltage Arbitrary Waveform Generators: Suitable for generating high-voltage, high-frequency signals
- Pin Drivers: Ideal for driving high-capacitive loads and maintaining good settling time performance
- Power-FET Drivers: Capable of driving power FETs with high current and voltage requirements
- Source Measurement Units (SMU): Used in source measurement units for precise voltage and current control
- Piezo Element Drivers: Suitable for driving high-capacitive loads such as piezo elements
Q & A
- What is the supply voltage range of the THS3091DDAG3?
The supply voltage range is ±5 V to ±16 V
- What is the slew rate of the THS3091DDAG3?
The slew rate is 6000 V/μs (G = 5, VO = 20 VPP)
- What is the bandwidth of the THS3091DDAG3?
The bandwidth is 305 MHz (G = 2, RL = 100 Ω)
- What is the output current drive capability of the THS3091DDAG3?
The output current drive is ±310 mA
- What package types are available for the THS3091DDAG3?
The device is available in an 8-pin HSOIC (DDA) PowerPAD™ package
- What are the typical applications of the THS3091DDAG3?
Typical applications include high-voltage arbitrary waveform generators, pin drivers, power-FET drivers, and source measurement units
- What is the operating temperature range of the THS3091DDAG3?
The operating temperature range is -40°C to +85°C
- Does the THS3091DDAG3 have a power-down feature?
No, the power-down feature is available only in the THS3095 model
- What is the common-mode rejection ratio (CMRR) of the THS3091DDAG3?
The CMRR is 69 dB
- What is the input offset voltage (Vos) of the THS3091DDAG3?
The input offset voltage is 900 μV
