規格
| 屬性 | 價值 |
| Package / Case | Tube |
| Part Status | Obsolete |
| Reference Type | Series |
| Output Type | Fixed |
| Voltage - Output (Min/Fixed) | 2.5V |
| Current - Output | 5 mA |
| Tolerance | ±0.025% |
| Temperature Coefficient | 2ppm/°C |
| Noise - 01 Hzto10 Hz | 0.25ppmp-p |
| Noise - 10 Hzto10k Hz | 0.67ppmrms |
| Voltage - Input | 3V ~ 13.2V |
| Supply Current | 7.5mA |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
概述
Description
The LTC6655BHLS8-2.5 is a fixed, precision voltage reference from Linear Technology (now Analog Devices). It provides a stable 2.5 V output with ultralow noise and low drift, designed for high-accuracy analog circuits.
Package/designation: BHLS8 indicates a specific 8‑lead package variant with the RoHS/compliant packaging.
Key features (typical): fixed 2.5 V reference; very low output noise; low temperature drift; excellent line and load regulation; suitable for precision ADC/DAC references, instrumentation, and signal conditioning.
Typical specs (datasheet): initial accuracy on the order of tens to a few hundred ppm (nominally tight tolerance), low ppm/°C temp coefficient, and a few microvolts RMS of noise over the relevant bandwidth. Requires a supply higher than 2.5 V within the device’s recommended range; decouple close to the part (typical 1–10 µF + 0.1–1 µF). Output should be fed into high-impedance loads or buffered if lower impedance is needed.
Use cases: reference for ADC/DACs, precision instrumentation, calibration circuits. For exact pinout, voltage accuracy, and recommended circuits, consult the LTC6655BHLS8-2.5 datasheet.
Package/designation: BHLS8 indicates a specific 8‑lead package variant with the RoHS/compliant packaging.
Key features (typical): fixed 2.5 V reference; very low output noise; low temperature drift; excellent line and load regulation; suitable for precision ADC/DAC references, instrumentation, and signal conditioning.
Typical specs (datasheet): initial accuracy on the order of tens to a few hundred ppm (nominally tight tolerance), low ppm/°C temp coefficient, and a few microvolts RMS of noise over the relevant bandwidth. Requires a supply higher than 2.5 V within the device’s recommended range; decouple close to the part (typical 1–10 µF + 0.1–1 µF). Output should be fed into high-impedance loads or buffered if lower impedance is needed.
Use cases: reference for ADC/DACs, precision instrumentation, calibration circuits. For exact pinout, voltage accuracy, and recommended circuits, consult the LTC6655BHLS8-2.5 datasheet.
Equivalent
LTC6655BHLS8-2.5 is a 2.5 V precision voltage reference. Common cross-reference equivalents (2.5 V fixed refs) include:
- Analog Devices: ADR4520-2.5, ADR4525-2.5
- Texas Instruments: REF5020-2.5, REF5025-2.5
- Maxim Integrated: MAX6350-2.5, MAX6351-2.5
Check packaging (MSOP-8/SO-8) and specs (initial accuracy, tempco) to ensure a true replacement.
- Analog Devices: ADR4520-2.5, ADR4525-2.5
- Texas Instruments: REF5020-2.5, REF5025-2.5
- Maxim Integrated: MAX6350-2.5, MAX6351-2.5
Check packaging (MSOP-8/SO-8) and specs (initial accuracy, tempco) to ensure a true replacement.
Features
Key features of LTC6655BHLS8-2.5 (2.5V fixed reference):
- Fixed 2.5V precision voltage reference
- Ultra-low noise with excellent long-term stability
- Tight initial accuracy and low temperature coefficient
- Very good line and load regulation; low dynamic impedance
- Wide operating supply and ambient temperature range for rugged use
- 8-pin RoHS-compliant package (BHLS8) with standard pinout
- Suitable for precision ADC/DAC references, instrumentation, calibration, and test equipment
- Robust against capacitive loads and general automotive/industrial environments
(Note: exact numerical specs vary by lot and grade; refer to the datasheet for specific ±ppm/°C, noise, and regulation figures.)
- Fixed 2.5V precision voltage reference
- Ultra-low noise with excellent long-term stability
- Tight initial accuracy and low temperature coefficient
- Very good line and load regulation; low dynamic impedance
- Wide operating supply and ambient temperature range for rugged use
- 8-pin RoHS-compliant package (BHLS8) with standard pinout
- Suitable for precision ADC/DAC references, instrumentation, calibration, and test equipment
- Robust against capacitive loads and general automotive/industrial environments
(Note: exact numerical specs vary by lot and grade; refer to the datasheet for specific ±ppm/°C, noise, and regulation figures.)
Pinout
- Pin count: 8 pins (LS8 package)
- Function: Fixed 2.5 V precision voltage reference. Provides a low-noise, low-drift reference output (VOUT) for ADC/DAC circuits; requires supply (V+) and ground (GND) pins; other pins are reserved/not used per datasheet.
- Function: Fixed 2.5 V precision voltage reference. Provides a low-noise, low-drift reference output (VOUT) for ADC/DAC circuits; requires supply (V+) and ground (GND) pins; other pins are reserved/not used per datasheet.
Manufacturer
- Manufacturer: Analog Devices, Inc. (ADI). The LTC prefix denotes Linear Technology, which was acquired by Analog Devices.
- What kind of company: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing integrated circuits.
- What kind of company: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing integrated circuits.
Application
LTC6655BHLS8-2.5 is a high-precision 2.5V voltage reference. Common application areas include:
- Precision ADC/DAC references in data acquisition and instrumentation
- Calibration standards and metrology equipment
- Medical instrumentation and portable medical devices
- Industrial automation, process control, and test & measurement gear
- Laboratory bench references and calibration rigs
- Any system requiring low-noise, low-drift, high-accuracy voltage reference
Its low noise, low drift and good PSRR make it suitable for stable reference rails in precision analog circuits.
- Precision ADC/DAC references in data acquisition and instrumentation
- Calibration standards and metrology equipment
- Medical instrumentation and portable medical devices
- Industrial automation, process control, and test & measurement gear
- Laboratory bench references and calibration rigs
- Any system requiring low-noise, low-drift, high-accuracy voltage reference
Its low noise, low drift and good PSRR make it suitable for stable reference rails in precision analog circuits.
Package
8-pin MSOP (MSOP-8) package.