LT1037CP - 60MHz Low-Noise Precision Op Amp | Analog Devices
料号： LT1037CP ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0.335 | $0.34 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
LT1037CP 概述
An operational amplifier is an analog integrated circuit that amplifies the voltage difference between its inverting and non-inverting inputs. In the broader hierarchy, this precision op amp belongs to the amplifier IC and linear-semiconductor categories. The LT1037CP is particularly useful when a circuit requires both low input noise and high closed-loop bandwidth rather than only rail-to-rail input/output operation.
According to the manufacturer material supplied for the LT1037 family, low-noise performance reaches 2.5 nV/√Hz wideband noise, with a 2 Hz 1/f corner frequency and 60 nV peak-to-peak noise from 0.1 Hz to 10 Hz. Precision specifications include 10 µV offset voltage, 0.2 µV/°C drift, and 130 dB common-mode and power-supply rejection. The LT1037 is a decompensated amplifier that is stable for closed-loop gains of 5 or greater.
The LT1037CP is specified with an 11 V/µs minimum slew rate for the LT1037 and LT1037A, while the family data also describes a typical differential voltage gain of 20 V/µV at 25°C with a 2 kΩ load and ±12 V supplies. Its high speed makes feedback-component selection and PCB layout important: parasitic capacitance, excessive loop gain, and poor grounding can reduce practical stability.
Typical applications include low-noise audio preamplification, precision measurement front ends, sensor signal conditioning, laboratory instrumentation, and high-speed analog filtering. The device is most suitable where closed-loop gain can be configured at 5 V/V or higher, because the decompensated architecture is not intended for unity-gain operation.
When replacing or fitting this amplifier, verify the exact package, pinout, supply limits, gain stability, offset grade, and input bias-current requirements. The provided data confirms an 8-pin PDIP package and single-amplifier configuration, but complete production specifications and the package drawing should be checked against the manufacturer datasheet before layout release.
This product page consolidates the verified LT1037 family specifications, package identity, pricing lead, and design considerations into an engineer-oriented reference while clearly separating confirmed values from parameters that require manufacturer-data confirmation.
直接替换替代料： LT1037CP ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： LT1037CP （相同外形与封装尺寸） ——差异在于 Package, Product Type.
快速对比工具——选择替代料号进行并排对比：
LT1037CN8#PBF
✅ 直接替换📋 参考替代料（不在目录中）
LT1037CS
✅ 直接替换📋 参考替代料（不在目录中）
LT1037
✅ 直接替换📋 参考替代料（不在目录中）
LT1037A
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MAXIM LT1037 replacement
✅ 直接替换📋 参考替代料（不在目录中）
LT1037CP 最大额定值与电气特性
| Product Type | Low-noise, high-speed, precision operational amplifier |
| Number of Amplifiers | 1 amplifier |
| Gain-Bandwidth Product | 60 MHz |
| Slew Rate | 11 V/µs minimum for LT1037 and LT1037A |
| Input Noise Density | 2.5 nV/√Hz wideband |
| Maximum Equivalent Input Noise Voltage | 3.8 nV/√Hz at 1 kHz |
| Low-Frequency Noise | 60 nV peak-to-peak from 0.1 Hz to 10 Hz |
| 1/f Corner Frequency | 2 Hz |
| Input Offset Voltage | 10 µV |
| Input Offset Voltage Drift | 0.2 µV/°C |
| Common-Mode Rejection | 130 dB |
| Power-Supply Rejection | 130 dB |
| Typical Differential Voltage Gain | 20 V/µV at 25°C, 2 kΩ load, ±12 V |
| Differential Gain at 600 Ω Load | 12 V/µV at 25°C, ±10 V |
| Stable Closed-Loop Gain | 5 V/V or greater |
| 封装 | 8-pin PDIP |
| 安装类型 | Through-hole |
LT1037CP 8-pin pdip 引脚配置指南
LT1037CP（8-pin pdip 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： LT1037CP.
请参阅 数据手册 以查看完整引脚配置。
典型应用
LT1037CP 适用于 6 应用s: Low-Noise Audio Preamplifier, Precision Sensor Signal Conditioning, Precision Measurement Front End, High-Speed Active Filter, Laboratory Instrumentation Amplifier, Audio-Circuit Buffer and Driver Stage.
Low-Noise Audio Preamplifier
LT1037CP fits low-level audio preamplification because the LT1037 family is specified for wideband input noise as low as 2.5 nV/√Hz and a 2 Hz 1/f corner frequency. The 60 MHz gain-bandwidth product provides bandwidth for audio-band control paths and active filtering, while the 11 V/µs minimum slew rate helps preserve large-signal swing. Because the device is decompensated, configure the closed-loop gain at 5 V/V or higher. Keep the feedback loop compact, maintain a low-impedance ground return, and verify that the source impedance does not degrade noise or stability.
推荐
Precision Sensor Signal Conditioning
LT1037CP is appropriate for conditioning low-level sensor outputs when the design benefits from low noise, low offset drift, and high rejection. The verified family values include 10 µV offset voltage, 0.2 µV/°C drift, 130 dB common-mode rejection, and 130 dB power-supply rejection. Use the amplifier in a stable gain configuration of at least 5 V/V, or redesign around that minimum gain. The high 60 MHz bandwidth makes lead capacitance and source impedance important, so place the amplifier close to the sensor or filter network and bypass supply pins locally.
推荐
Precision Measurement Front End
The LT1037CP can serve as the first high-speed amplifier in a precision measurement chain when low input noise and accurate offset behavior are more important than unity-gain convenience. Its 2.5 nV/√Hz wideband noise and 0.2 µV/°C drift help preserve small-signal information, while the 60 MHz gain-bandwidth product supports wide-band signal capture. The decompensated architecture requires a closed-loop gain of at least 5, and the input common-mode voltage must remain within the device limits. Add filtering at the amplifier input or output when bandwidth exceeds the measurement bandwidth.
推荐
High-Speed Active Filter
LT1037CP is useful in active filtering where a 60 MHz gain-bandwidth product and 11 V/µs minimum slew rate provide useful signal-path bandwidth. The part can implement gain stages of 5 V/V or higher in feedback filter topologies, allowing the decompensated architecture to be used without forcing unity-gain operation. Component tolerances and parasitic capacitance directly affect filter response, especially at the upper cutoff. Keep the op-amp feedback network compact, use short ground returns, and calculate component values with the amplifier's finite gain-bandwidth and open-loop behavior included.
推荐
Laboratory Instrumentation Amplifier
LT1037CP can support laboratory instrumentation input stages when low-noise amplification and fast settling behavior are required. Its 2.5 nV/√Hz wideband noise is suitable for high-impedance or low-level sources, while 130 dB common-mode and power-supply rejection help suppress unwanted system-level signals. The 8-pin PDIP format is convenient for through-hole prototype and instrument construction. Use stable gain from 5 V/V upward, provide local supply bypassing, and place the amplifier close to the input connector to minimize cable noise and parasitic feedback.
推荐
Audio-Circuit Buffer and Driver Stage
LT1037CP can be used as a buffered audio or line-level drive stage when the circuit requires more bandwidth than a conventional general-purpose amplifier provides. The 60 MHz gain-bandwidth product and 11 V/µs minimum slew rate give the stage ample dynamic range for many audio-band signals, while the low-noise input specification helps preserve quiet signal paths. Configure a gain of at least 5 V/V and check output-current and load-capacitance limits against the datasheet. Keep the output return path short and provide stable reference grounding to avoid oscillation.
推荐
推荐产品汇总
工程参考数据： LT1037CP ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | LT1037CN8#PBF | LT1037CS | LT1037 | LT1037A | MAXIM LT1037 replacement |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Maxim Integrated |
| Package | 8-pin PDIP | 8-pin PDIP | 8-pin PDIP | 8-pin PDIP | 8-pin PDIP | 8-pin PDIP |
关键差异点
- Wideband precision noise performance （对比 NE5532D)
- High-speed slew capability （对比 LT1037CS)
- Precision versus general-purpose signal chains （对比 LM358D)
设计说明
Do not design LT1037CP as a unity-gain stable buffer. The verified family information identifies it as decompensated and stable for closed-loop gains of 5 or greater. Before substituting an amplifier, check the complete feedback topology and calculate the effective noise gain as well as the signal gain; a circuit that appears to have gain above 5 at one frequency can still present a problematic noise-gain curve elsewhere.
Keep the feedback resistors and compensation network close to the amplifier pins, and minimize trace length around the high-speed loop. Place local supply bypassing at the device pins and use a continuous ground reference rather than routing signal return through switching or high-current paths. With a 60 MHz gain-bandwidth product and 11 V/µs minimum slew rate, parasitic capacitance and inductive return paths can affect stability even when the nominal schematic appears correct.
Treat the LT1037CP as a precision high-speed amplifier, not only as a low-noise audio part. Check source impedance, input capacitance, load capacitance, output isolation, and the frequency response of every feedback component. If the source is high impedance, add a suitable input bias or isolation network and verify that the added noise does not erase the benefit of the 2.5 nV/√Hz input-noise specification.
合规信息
The supplied source snippets identify Texas Instruments and describe the LT1037CP as an 8-pin PDIP operational amplifier, but they do not provide explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. These fields remain unknown rather than inferred from manufacturer identity.