Overview
The TLV172IDCKR is a single, 36-V, 10-MHz, low-power operational amplifier from Texas Instruments, designed for cost-sensitive applications. This EMI-hardened, single-supply op amp is part of the TLVx172 family and is notable for its low noise, high PSRR, and ability to operate on supplies ranging from 4.5 V to 36 V. It features a THD+N of 0.0002% at 1 kHz, making it suitable for amplifying microvolt-level signals in various applications such as HEV and EV automobiles, medical instrumentation, and more.
Key Specifications
| Parameter | Typical Value | Maximum Value |
|---|---|---|
| Supply Voltage Range | 4.5 V to 36 V | 4.5 V to 36 V |
| Bandwidth (GBW) | 10 MHz | 10 MHz |
| Slew Rate | 10 V/μs | 10 V/μs |
| Quiescent Current per Channel | 1.6 mA | 2.3 mA |
| Offset Voltage at 25°C | - | 1.7 mV |
| Offset Drift | ±1 μV/°C | - |
| Common-Mode Rejection Ratio (CMRR) | 116 dB | 100 dB (min) |
| Input Noise Voltage at 1 kHz | 9 nV/√Hz | - |
| Output Current | 75 mA | - |
| Operating Temperature Range | -40°C to +125°C | -40°C to +125°C |
| Package Type | SOT-SC70 (DCK) | - |
Key Features
- EMI-hardened for robust performance in noisy environments
- Low noise: 9 nV/√Hz at 1 kHz
- Low offset drift: ±1 μV/°C
- Rail-to-rail output
- Input range includes the negative supply, and can operate 100 mV beyond the positive rail with reduced performance
- No phase reversal with input signals beyond supply rails
- Stable with capacitive loads up to 300 pF
- High common-mode rejection ratio (CMRR): 116 dB (typical)
- Low input bias current: 10 pA
- Internal electrostatic discharge (ESD) protection
Applications
- HEV and EV automobiles and power trains
- Medical instrumentation
- TFT-LCD drive circuits
- Touch-screen displays
- Wireless LANs
- Portable instrumentation
- Analog-to-Digital Converter (ADC) buffers
- Active filters
- Line drivers or line receivers
- Ultrasound
- Currency counters
- Transducer amplifiers
Q & A
- What is the supply voltage range of the TLV172IDCKR? The TLV172IDCKR can operate on supplies ranging from 4.5 V to 36 V.
- What is the bandwidth of the TLV172IDCKR? The bandwidth (GBW) of the TLV172IDCKR is 10 MHz.
- What is the slew rate of the TLV172IDCKR? The slew rate of the TLV172IDCKR is 10 V/μs.
- How much quiescent current does the TLV172IDCKR consume? The quiescent current per channel is typically 1.6 mA and a maximum of 2.3 mA.
- What is the offset voltage of the TLV172IDCKR at 25°C? The maximum offset voltage at 25°C is 1.7 mV.
- Is the TLV172IDCKR EMI-hardened? Yes, the TLV172IDCKR is EMI-hardened, making it suitable for noisy environments.
- What is the common-mode rejection ratio (CMRR) of the TLV172IDCKR? The CMRR is typically 116 dB and a minimum of 100 dB.
- What is the operating temperature range of the TLV172IDCKR? The operating temperature range is from –40°C to +125°C.
- What package type is the TLV172IDCKR available in? The TLV172IDCKR is available in a SOT-SC70 (DCK) package.
- Does the TLV172IDCKR have internal ESD protection? Yes, the TLV172IDCKR has internal electrostatic discharge (ESD) protection.
