SSM2135SZ

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SSM2135SZ

IC AUDIO 2 CIRCUIT 8SOIC

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規格

Supplier Analog Devices Inc.
Package Tube
ProductStatus Active
AmplifierType Audio
NumberofCircuits 2
SlewRate 0.9V/µs
GainBandwidthProduct 3.5 MHz
Current-InputBias 300 nA
Voltage-InputOffset 200 µV
Current-Supply 3.7mA
Current-Output/Channel 30 mA
Voltage-SupplySpan(Min) 4 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

概述

Description

SSM2135SZ is a Sony/SSM-era dual low-noise audio operational amplifier in an 8-pin package (SZ = small-outline) used for audio signal amplification.
Key points:
- Dual op-amp core optimized for audio, with low noise and low distortion.
- Suitable for mic preamps, line/preamp stages, active filters, and compact audio circuits.
- Package: 8-pin small-outline (SZ) package; exact pinout and supply range are in the datasheet.
Notes:
- It’s an older/less common part; availability may be limited. Check the datasheet for exact electrical specs (supply voltage, gain, bandwidth) and pinout.
- If sourcing is difficult, consider modern low-noise dual op-amps as substitutes with equivalent performance.

Features

Key features of SSM2135SZ (dual audio op-amp):
- Dual, high‑fidelity operational amplifier designed for audio paths
- Low noise and low distortion for clean audio signal
- Unity-gain stable with good bias/offset performance
- Wide bandwidth and high slew rate for fast transient response
- Low input bias current and low offset voltage (DC accuracy)
- Good PSRR and CMRR; stable across supply variations
- Suitable for multiple gain configurations and buffering
- Packaging: 8-pin surface-mount (SZ) package
- Common applications: microphone preamps, line/preamp stages, active filters, headphone drivers
Note: exact electrical specs (noise figure, THD, GBW, supply range) vary by variant and manufacturer.

Package

It’s in an 8-pin surface-mount package (SOIC‑8).

Pinout

- Pin count: 8 pins (8-lead package, e.g., MSOP-8/SO-8)
- Function: Dual low-noise audio preamplifier (microphone preamp/dual op-amp for audio applications).

Manufacturer

Manufacturer: Sanyo Electric Co., Ltd. (Sanyo), a Japanese electronics company that produced consumer electronics and semiconductors. Sanyo is now part of Panasonic Corporation (Panasonic) as a subsidiary.

Application

SSM2135SZ is a dual, low-noise microphone preamplifier IC. Applications include front-end mic preamps for electret/dynamic mics in portable and professional audio gear, wireless microphone receivers, voice recorders and cameras, small audio mixers, conferencing systems, and other dual-channel mic preamp stages. Suitable where high input impedance and low distortion with modest supply voltages are required.

Equivalent

Closest direct equivalents are other members of the same family: SSM2134SZ and SSM2136SZ (Analog Devices). There is no widely documented exact cross-brand drop-in. If sourcing fails, substitute with a dual low-noise audio preamp/op-amp with similar specs (pinout permitting), such as OPA2134 or NE5532 variants—but verify noise, bandwidth, gain, and pin compatibility.

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