Overview
The SSM2143S-REEL, produced by Analog Devices Inc., is an integrated differential amplifier designed to receive balanced line inputs in audio applications. It is particularly suited for applications requiring high immunity from common-mode noise. The device offers excellent audio performance with low noise, high slew rate, and wide bandwidth, making it ideal for various audio equipment and professional audio systems.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Total Harmonic Distortion Plus Noise | THD+N | VIN = 10 V rms, RL = 10 kΩ, f = 1 kHz | 0.0006% | % | ||
| Signal-to-Noise Ratio | SNR | 0 dBu = 0.775 V rms, 20 kHz BW, RTI | -107.3 dBu | dBu | ||
| Slew Rate | SR | RL = 2 kΩ, CL = 200 pF | 6 | 10 | V/µs | |
| Small Signal Bandwidth | BW–3 dB | RL = 2 kΩ, CL = 200 pF, G = 1/2 | 7 MHz | MHz | ||
| Common-Mode Rejection | CMR | VCM = ±10 V, RTO f = dc | 70 | 90 | dB | |
| Supply Voltage Range | VS | ±6 V | ±18 V | V | ||
| Supply Current | ISY | VCM = 0 V, RL = ∞ | ±2.7 mA | ±4.0 mA | mA | |
| Operating Temperature Range | -40°C | +85°C | °C |
Key Features
- High common-mode rejection (CMR) of 90 dB, achieved through laser trimming of resistances to better than 0.005%.
- Low total harmonic distortion (THD) of less than 0.004% over the full audio band.
- High slew rate of 10 V/µs and wide bandwidth of 7 MHz (G = 1/2).
- Ability to handle input signals as large as +28 dBu at G = 1/2.
- Operates from a single supply voltage range of ±6 V to ±18 V.
- Rail-to-rail output swing and 45 mA output current capability.
- Compact 8-SOIC surface-mount package.
Applications
- Audio equipment
- Professional audio systems
- Musical instruments
- Telecommunications equipment
Q & A
- What is the primary function of the SSM2143S-REEL? The SSM2143S-REEL is an integrated differential amplifier designed to receive balanced line inputs in audio applications.
- What is the typical common-mode rejection (CMR) of the SSM2143S-REEL? The typical CMR is 90 dB.
- What is the slew rate of the SSM2143S-REEL? The slew rate is 10 V/µs.
- What is the supply voltage range for the SSM2143S-REEL? The supply voltage range is ±6 V to ±18 V.
- What is the maximum input signal the SSM2143S-REEL can handle at G = 1/2? The maximum input signal is +28 dBu at G = 1/2.
- What is the typical total harmonic distortion (THD) of the SSM2143S-REEL? The typical THD is less than 0.004% over the full audio band.
- What is the operating temperature range of the SSM2143S-REEL? The operating temperature range is -40°C to +85°C.
- Is the SSM2143S-REEL RoHS compliant? Yes, the SSM2143S-REEL is RoHS compliant.
- What package types are available for the SSM2143S-REEL? The SSM2143S-REEL is available in an 8-SOIC surface-mount package.
- Can the gain of the SSM2143S-REEL be adjusted? Yes, the gain can be adjusted to 2 by reversing the +IN/-IN and SENSE/REFERENCE connections.
