Overview
The SSM2135SZ-REEL7, produced by Analog Devices Inc., is a dual single-supply audio operational amplifier. This component is particularly well-suited for applications in computer audio systems, portable digital audio units, and various multimedia audio systems. It is designed to perform multiple functions such as preamplification, headphone and speaker driving, and balanced line driving and receiving. The SSM2135SZ-REEL7 is known for its excellent sonic characteristics, high output drive capability, and low noise and distortion, making it an ideal choice for audio digital-to-analog converter subsystems and other audio applications.
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% | 0.005% | % | |
| Supply Voltage Range | VS | Single supply | 4 | 36 | V | |
| Supply Voltage Range | VS | Dual supply | ±2 | ±18 | V | |
| Power Supply Rejection Ratio | PSRR | VS = 4 V to 6 V, f = dc | 90 | 120 | dB | |
| Supply Current | ISY | VS = 5 V, VOUT = 2.0 V, no load | 2.8 | 6.0 | mA | |
| Supply Current | ISY | VS = ±18 V, VOUT = 0 V, no load | 3.7 | 7.6 | mA | |
| Operating Temperature Range | −40 | +85 | °C |
Key Features
- Excellent sonic characteristics
- High output drive capability
- Low noise and distortion: 5.2 nV/√Hz equivalent input noise at 1 kHz and 0.003% THD + N at 1 kHz
- Unity-gain stable
- Low cost
- Available in an 8-lead plastic SOIC package
- Guaranteed for operation over the extended industrial temperature range of −40°C to +85°C
Applications
- Multimedia audio systems
- Microphone preamplifiers
- Headphone drivers
- 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 SSM2135SZ-REEL7 used for? The SSM2135SZ-REEL7 is a dual single-supply audio operational amplifier used in various audio applications, including computer audio systems, portable digital audio units, and multimedia audio systems.
- What are the key features of the SSM2135SZ-REEL7? Key features include excellent sonic characteristics, high output drive capability, low noise and distortion, unity-gain stability, and low cost.
- What is the operating temperature range of the SSM2135SZ-REEL7? The operating temperature range is −40°C to +85°C.
- What is the supply voltage range for the SSM2135SZ-REEL7? The supply voltage range is 4 V to 36 V for single supply and ±2 V to ±18 V for dual supply.
- What is the typical signal-to-noise ratio (SNR) of the SSM2135SZ-REEL7? The typical SNR is 121 dBu over the 20 Hz to 20 kHz frequency range.
- What is the total harmonic distortion plus noise (THD + N) of the SSM2135SZ-REEL7? The THD + N is typically 0.003% at 1 kHz with a 10 kΩ load.
- In what package is the SSM2135SZ-REEL7 available? The SSM2135SZ-REEL7 is available in an 8-lead plastic SOIC package.
- Is the SSM2135SZ-REEL7 RoHS compliant? Yes, the SSM2135SZ-REEL7 is RoHS compliant.
- What are some common applications of the SSM2135SZ-REEL7? Common applications include microphone preamplifiers, headphone drivers, speaker drivers, and balanced line driving and receiving.
- Can the SSM2135SZ-REEL7 be used in single-supply, Σ-Δ, analog-to-digital converter subsystems? Yes, it is ideal for input signal conditioning in such subsystems.
