Overview
The SSM2135S-REEL, produced by Analog Devices Inc., is a dual single-supply audio operational amplifier designed to deliver excellent performance in various audio applications. It is particularly well-suited for computer audio systems, portable digital audio units, and other low-power audio systems. The amplifier offers high output drive capability, low noise, and minimal distortion, making it ideal for preamplification, headphone and speaker driving, and balanced line driving and receiving.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Voltage Noise Density | en | f = 1 kHz | 5.2 | nV/√Hz | ||
| Current Noise Density | in | f = 1 kHz | 0.5 | pA/√Hz | ||
| Signal-To-Noise Ratio | SNR | 20 Hz to 20 kHz, 0 dBu = 0.775 V rms | 121 | dBu | ||
| Total Harmonic Distortion Plus Noise | THD + N | AV = +1, VOUT = 1 V p-p, f = 1 kHz, RL = 10 kΩ | 0.003% | % | ||
| Supply Voltage Range | VS | Single supply | 4 | 36 | V | |
| Supply Current | ISY | VS = 5 V, VOUT = 2.0 V, no load | 2.8 | 6.0 | mA | |
| Operating Temperature Range | -40 | 85 | °C |
Key Features
- Excellent sonic characteristics with low noise and distortion.
- High output drive capability.
- Low voltage noise density of 5.2 nV/√Hz at 1 kHz.
- Low total harmonic distortion plus noise (THD + N) of 0.003% at 1 kHz.
- Unity-gain stable with a gain bandwidth of 3.5 MHz.
- Operating supply range from 4 V to 36 V for single supply and ±2 V to ±18 V for dual supply.
- High power supply rejection ratio (PSRR) of 90 dB to 120 dB.
- Available in an 8-lead plastic SOIC package.
- Guaranteed operation over the extended industrial temperature range of -40°C to +85°C.
Applications
- Multimedia audio systems.
- Microphone preamplifiers.
- Headphone drivers and speaker drivers.
- Balanced line driving and receiving.
- Input signal conditioning in single-supply, Σ-Δ, analog-to-digital converter subsystems.
- Single-supply stereo output amplifier for audio digital-to-analog converters (DACs).
Q & A
- What is the primary application of the SSM2135S-REEL?
The SSM2135S-REEL is primarily used in audio systems, including computer audio, portable digital audio units, microphone preamplifiers, and headphone/speaker drivers.
- What is the voltage noise density of the SSM2135S-REEL?
The voltage noise density is 5.2 nV/√Hz at 1 kHz.
- What is the total harmonic distortion plus noise (THD + N) of the SSM2135S-REEL?
The THD + N is 0.003% at 1 kHz with a load resistance of 10 kΩ.
- What is the supply voltage range for the SSM2135S-REEL?
The supply voltage range is from 4 V to 36 V for single supply and ±2 V to ±18 V for dual supply.
- What is the operating temperature range of the SSM2135S-REEL?
The operating temperature range is -40°C to +85°C.
- What package type is the SSM2135S-REEL available in?
The SSM2135S-REEL is available in an 8-lead plastic SOIC package.
- Is the SSM2135S-REEL RoHS compliant?
Yes, the SSM2135S-REEL is RoHS compliant.
- What is the gain bandwidth of the SSM2135S-REEL?
The gain bandwidth is 3.5 MHz.
- Can the SSM2135S-REEL be used in balanced line driving and receiving applications?
Yes, it can be used in balanced line driving and receiving applications.
- Is the SSM2135S-REEL suitable for input signal conditioning in Σ-Δ analog-to-digital converter subsystems?
Yes, it is suitable for input signal conditioning in single-supply, Σ-Δ, analog-to-digital converter subsystems.
