Overview
The LMH6714MAX/NOPB, part of the LMH6714/LMH6720/LMH6722 series from Texas Instruments, is a high-speed operational amplifier designed for wideband video and high-frequency applications. This amplifier leverages Texas Instruments' VIP10 high-speed complementary bipolar process, ensuring exceptional performance with low power consumption. It offers a small signal bandwidth of up to 400MHz and a fast slew rate of 1800V/μs, making it ideal for broadcast quality video systems, including HDTV, NTSC, and PAL video signals.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| −3dB Bandwidth (SSBW) | VOUT = 0.5VPP | 345 | 400 | MHz | |
| −3dB Bandwidth (LSBW) | VOUT = 2.0VPP | 200 | 250 | MHz | |
| Gain Flatness (GFP) | VOUT = 2VPP, DC to 120MHz | 0.1 | dB | ||
| Slew Rate (SR) | 6V Step | 1200 | 1800 | V/μs | |
| Differential Gain (DG) | RL = 150Ω, 4.43MHz | 0.01 | % | ||
| Differential Phase (DP) | RL = 150Ω, 4.43MHz | 0.01 | ° | ||
| Supply Current (ICC) | RL = ∞ | 4.5 | 5.6 | 7.5 | mA |
| Input Offset Voltage (VIO) | ±0.2 | ±6 | ±8 | mV | |
| Output Current (IOUT) | VIN = 0V, Max Linear | 50 | 70 | mA |
Key Features
- High-speed operation with 400MHz small signal bandwidth at a gain of +2V/V and 250MHz at VOUT = 2VPP
- Fast slew rate of 1800V/μs
- Low power consumption of 5.6mA from ±5V supplies
- Exceptional video performance with 0.01% differential gain and 0.01° differential phase errors for NTSC and PAL video signals
- Flat gain response of 0.1dB to 120MHz
- Low harmonic distortion: −58 dBc HD2 and −70 dBc HD3 at 20MHz
- TTL compatible shutdown pin (LMH6720)
- Unity gain stable
- Improved replacement for CLC400, 401, 402, 404, 406, and 446 (LMH6714)
Applications
- HDTV, NTSC & PAL Video Systems
- Video Switching and Distribution
- Wideband Active Filters
- Cable Drivers
- High Speed Multiplexer (LMH6720)
- Programmable Gain Amplifier (LMH6720)
- Automotive (LMH6722Q)
Q & A
- What is the maximum bandwidth of the LMH6714MAX/NOPB? The LMH6714MAX/NOPB has a maximum bandwidth of 400MHz at a gain of +2V/V and VOUT = 0.5VPP.
- What is the slew rate of the LMH6714MAX/NOPB? The slew rate is 1800V/μs.
- How much power does the LMH6714MAX/NOPB consume? It consumes 5.6mA from ±5V supplies.
- What are the differential gain and phase errors for video signals? The differential gain and phase errors are 0.01% and 0.01° respectively for NTSC and PAL video signals.
- Is the LMH6714MAX/NOPB unity gain stable? Yes, it is unity gain stable.
- What are some of the key applications of the LMH6714MAX/NOPB? Key applications include HDTV, NTSC & PAL Video Systems, Video Switching and Distribution, Wideband Active Filters, and Cable Drivers.
- Can the LMH6714MAX/NOPB be used in automotive applications? The LMH6722Q variant is AEC-Q100 Grade 1 Qualified and suitable for automotive applications.
- What is the input offset voltage of the LMH6714MAX/NOPB? The input offset voltage is ±0.2mV to ±8mV.
- What is the maximum output current of the LMH6714MAX/NOPB? The maximum output current is 70mA.
- Does the LMH6714MAX/NOPB have a shutdown feature? The LMH6720 variant has a TTL compatible shutdown pin.
- What is the operating temperature range of the LMH6714MAX/NOPB? The operating temperature range is −40°C to 85°C for most variants, and −40°C to 125°C for the LMH6722Q.
