SSM2212
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SSM2212

Audio Dual Matched NPN Transistor

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Part Details
Part Models 5
1ku List Price Starting From $3.52
Features
  • Very low voltage noise: 1nV/√Hz max @ 100Hz
  • Excellent current gain match: 0.5%
  • Low offset voltage (VOS): 200 μV maximum (SOIC)
  • Outstanding offset voltage drift: 0.03 μV/°C
  • High gain bandwidth product: 200 MHz
Additional Details
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The SSM2212 is a dual, NPN-matched transistor pair that is specifically designed to meet the requirements of ultralow noise audio systems.

With its extremely low input base spreading resistance (rbb' is typically 28 Ω) and high current gain (hFE typically exceeds 600 at IC = 1 mA), the SSM2212 can achieve outstanding signal-to-noise ratios. The high current gain results in superior performance compared to systems incorporating commercially available monolithic amplifiers.

Excellent matching of the current gain (ΔhFE) to approximately 0.5% and low VOS of less than 10 μV typical make the SSM2212  ideal for symmetrically balanced designs, which reduce high- order amplifier harmonic distortion.

Stability of the matching parameters is guaranteed by protection diodes across the base-emitter junction. These diodes prevent degradation of beta and matching characteristics due to reverse biasing of the base-emitter junction.

The SSM2212 is also an ideal choice for accurate and reliable current biasing and mirroring circuits. Furthermore, because the accuracy of a current mirror degrades exponentially with mismatches of VBE between transistor pairs, the low VOS of the SSM2212 does not need offset trimming in most circuit applications.

The SSM2212 SOIC performance and characteristics are guaranteed over the extended temperature range of −40°C to +85°C.

The SSM2212 is available in 8-lead SOIC and 16-lead LFCSP packages.

Part Models 5
1ku List Price Starting From $3.52

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
SSM2212CPZ-R7
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SSM2212RZ
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SSM2212RZ-R7
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SSM2212RZ-RL
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PCN

Nov 9, 2011

- 11_0182

Test Site Transfer from Analog Devices Philippines Inc in Paranaque to Analog Devices General Trias in Cavite, Philippines

SSM2212RZ

PRODUCTION

SSM2212RZ-R7

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PCN

Nov 9, 2011

- 11_0182

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Test Site Transfer from Analog Devices Philippines Inc in Paranaque to Analog Devices General Trias in Cavite, Philippines

SSM2212RZ

PRODUCTION

SSM2212RZ-R7

PRODUCTION

SSM2212RZ-RL

PRODUCTION

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