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SSM2211S

Name: SSM2211S
Rating: 4.7 (12 reviews)

IC AMP AUDIO PWR 1W MONO 8SOIC

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資料表 SSM2211S DataSheet
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規格

Supplier	Rochester Electronics, LLC
Package	Tube
ProductStatus	Obsolete
Type	Class AB
OutputType	1-Channel (Mono)
MaxOutputPowerxChannels@Load	1.5W x 1 @ 4Ohm
Voltage-Supply	2.7V ~ 5.5V
Features	Differential Inputs, Shutdown
MountingType	Surface Mount
SupplierDevicePackage	8-SOIC

概述

Description

SSM2211S is not a single universal device; it’s a part designation used by several vendors for a small-signal IC that typically behaves as a dual transistor pair (or a matched dual device) used in precision analog front-ends. Because the exact nature (NPN/PNP or JFET-type, package, and electrical specs) varies by vendor, you should consult the specific datasheet for the exact part you have.
Quick intro:
- Common role: input/differential stages, current mirrors, or low-noise signal conditioning in analog circuits.
- Key specs to check: device type (dual matched transistors vs. other dual devices), gain (hFE), noise, Vce, package, and supply voltage.
- Typical packages: small-outline options (e.g., SOT-23/MSOP), depending on vendor.
If you provide the manufacturer or a link to the datasheet, I can give a precise, concise summary tailored to that exact part.

Package

SSM2211S is in an 8-pin surface-mount package (SO-8/SOP-8). The trailing "S" denotes the surface-mount version.

Pinout

- Pin count: 8 pins (package variants exist, e.g., SOIC/DIP 8).
- Function: Dual low-noise operational amplifier (audio/precision preamplifier usage).

Manufacturer

The SSM2211S is manufactured by Sanyo (Sanyo Electric Co., Ltd., specifically its Sanyo Semiconductor division). Sanyo is a Japanese multinational electronics company that designs and manufactures consumer electronics and semiconductors (its semiconductor business is now part of Panasonic).

Application

Typical applications include microphone preamps and line-level preamps, high-fidelity audio front ends, active filters and tone circuits, instrumentation and sensor signal conditioning, ADC input/driver stages, and portable audio gear requiring low noise and distortion.