Overview
The SSM2135S, produced by Analog Devices Inc., is a single-supply audio operational amplifier. Although it is currently listed as obsolete, it was particularly well-suited for various audio applications, including computer audio systems and portable digital audio units. The amplifier is known for its excellent sonic characteristics, high output drive capability, and low noise and distortion levels.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | |
| Amplifier Type | Audio | |
| Number of Circuits | 1 | |
| Slew Rate | 0.9 V/µs | V/µs |
| Gain Bandwidth Product | 3.5 MHz | MHz |
| Current - Input Bias | 300 nA | nA |
| Voltage - Input Offset | 200 µV | µV |
| Current - Supply | 3.7 mA | mA |
| Current - Output / Channel | 30 mA | mA |
| Voltage - Supply Span (Min) | 4 V | V |
| Voltage - Supply Span (Max) | 36 V | V |
| Operating Temperature | -40°C ~ 85°C | °C |
Key Features
- Excellent sonic characteristics with low noise and distortion levels (5.2 nV/√Hz equivalent input noise at 1 kHz and 0.003% THD + N at 1 kHz).
- High output drive capability, making it suitable for driving headphones and speakers.
- Unity-gain stable and low cost.
- Wide supply voltage range: single supply from 4 V to 36 V and dual supply from ±2 V to ±18 V.
- Operating temperature range from -40°C to 85°C.
Applications
- Multimedia audio systems.
- Microphone preamplifiers.
- Headphone drivers and speaker driving.
- 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 SSM2135S amplifier type? The SSM2135S is an audio operational amplifier.
- What is the package type of the SSM2135S? The package type is 8-SOIC (0.154", 3.90mm Width).
- What is the slew rate of the SSM2135S? The slew rate is 0.9 V/µs.
- What is the gain bandwidth product of the SSM2135S? The gain bandwidth product is 3.5 MHz.
- What is the input bias current of the SSM2135S? The input bias current is 300 nA.
- What is the input offset voltage of the SSM2135S? The input offset voltage is 200 µV.
- What is the supply current of the SSM2135S? The supply current is 3.7 mA.
- What is the output current per channel of the SSM2135S? The output current per channel is 30 mA.
- What is the operating temperature range of the SSM2135S? The operating temperature range is from -40°C to 85°C.
- Is the SSM2135S RoHS compliant? Yes, the SSM2135S is RoHS compliant.
- What are some typical applications of the SSM2135S? Typical applications include multimedia audio systems, microphone preamplifiers, headphone drivers, and single-supply stereo output amplifiers for audio DACs.
