Overview
The SSM2220SZ-REEL is a dual PNP matched transistor produced by Analog Devices Inc., optimized for use in audio applications. It is renowned for its ultra-low input voltage noise, high gain bandwidth, and excellent matching characteristics. This component is ideal for demanding low noise preamplifier applications, offering superior performance across a wide range of audio frequencies.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Noise at 100 Hz | 1 nV/√Hz (max) | nV/√Hz |
| Gain Bandwidth | 190 MHz (typical at IC = 1 mA) | MHz |
| Gain Matching | 3% (max) | % |
| Logarithmic Conformance (rBE) | 0.3 Ω (typical) | Ω |
| Offset Voltage | 200 μV (max) | μV |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Types | 8-Lead PDIP, 8-Lead SOIC | |
| Thermal Resistance (θJA) | 103 °C/W (PDIP), 158 °C/W (SOIC) | °C/W |
Key Features
- Ultra-low input voltage noise: typically 0.7 nV/√Hz over the entire audio bandwidth of 20 Hz to 20 kHz.
- High gain bandwidth: 190 MHz typical at IC = 1 mA.
- Tight gain matching: ΔhFE to about 0.5%.
- Outstanding logarithmic conformance: rBE = 0.3 Ω typical.
- Low offset voltage: 200 μV maximum.
- Internal protection diodes to prevent base to emitter breakdown.
- Guaranteed performance over an extended industrial temperature range of -40°C to +85°C.
Applications
- Microphone preamplifiers.
- Tape head preamplifiers.
- Current sources and mirrors.
- Low noise precision instrumentation.
- Voltage controlled amplifiers/multipliers.
Q & A
- What is the primary application of the SSM2220SZ-REEL? The SSM2220SZ-REEL is primarily used in audio applications, particularly in low noise preamplifier circuits.
- What is the input voltage noise of the SSM2220SZ-REEL at 100 Hz? The input voltage noise is 1 nV/√Hz maximum at 100 Hz.
- What is the gain bandwidth of the SSM2220SZ-REEL? The gain bandwidth is 190 MHz typical at IC = 1 mA.
- What is the gain matching of the SSM2220SZ-REEL? The gain matching is 3% maximum.
- What is the logarithmic conformance (rBE) of the SSM2220SZ-REEL? The logarithmic conformance (rBE) is 0.3 Ω typical.
- What is the offset voltage of the SSM2220SZ-REEL? The offset voltage is 200 μV maximum.
- What are the package types available for the SSM2220SZ-REEL? The SSM2220SZ-REEL is available in 8-Lead PDIP and 8-Lead SOIC packages.
- What is the operating temperature range of the SSM2220SZ-REEL? The operating temperature range is -40°C to +85°C.
- What is the thermal resistance (θJA) of the SSM2220SZ-REEL? The thermal resistance (θJA) is 103 °C/W for PDIP and 158 °C/W for SOIC packages.
- Does the SSM2220SZ-REEL have internal protection diodes? Yes, the SSM2220SZ-REEL has internal protection diodes to prevent base to emitter breakdown.
