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Product Detailed Parameters
- Description：TRANS 2PNP 36V 20MA 8-SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Transistor Type：2 PNP (Dual) Matched Pair
- Current - Collector (Ic) (Max)：20mA
- Voltage - Collector Emitter Breakdown (Max)：36V
- Vce Saturation (Max) @ Ib, Ic：100mV @ 100µA, 1mA
- Current - Collector Cutoff (Max)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：80 @ 1mA, 36V
- Power - Max：-
- Frequency - Transition：-
- Operating Temperature：-65°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The SSM2220SZ-REEL is a dual, low noise, matched PNP transistor optimized for audio applications. It features an ultralow input voltage noise of typically 0.7 nV/√Hz across the 20 Hz to 20 kHz bandwidth and a high gain bandwidth product of 190 MHz typical. The device offers tight current gain matching with a maximum delta hFE of 6% at IC = 100 μA and a maximum offset voltage of 200 μV at 25°C. It operates within a collector-to-emitter breakdown voltage of 36 V and supports a maximum collector current of 20 mA. The component is housed in an 8-lead Standard Small Outline (SOIC) package and functions reliably over an extended industrial temperature range of −40°C to +85°C.
Feature Summary
- Ultralow input voltage noise density suitable for demanding preamplifier circuits
- Tight current gain matching between internal pairs to reduce harmonic distortion
- Internal base-to-emitter protection diodes prevent reverse junction breakdown
Applications
- Microphone preamplifiers
- Tape head preamplifiers
- Current sources and mirrors
- Low noise precision instrumentation
- Voltage controlled amplifiers/multipliers
Procurement Notes
Verify that the ordering suffix matches the required packaging format. The REEL suffix indicates tape and reel packaging intended for automated surface-mount assembly processes. Confirm the RoHS compliant status indicated by the Z suffix aligns with environmental compliance requirements for the target production line.
Selection Notes
Select this component when low voltage noise and precise transistor matching are critical for signal integrity. The SOIC package facilitates surface-mount integration into compact designs. Ensure the application operates within the specified collector current limits to maintain the guaranteed noise performance and gain bandwidth characteristics provided in the datasheet specifications.
Part Context
This part belongs to the Analog Devices SSM2220 family of dual matched PNP transistors. The SSM2220SZ variant specifically denotes the 8-lead SOIC package option with RoHS compliance. The REEL suffix designates the specific bulk packaging method used for high-volume manufacturing distribution.
Replacement Considerations
SSM2220S
FAQ
What is the maximum collector-to-emitter breakdown voltage?
The maximum collector-to-emitter breakdown voltage (BVCEO) is 36 V.
How does the device protect against base-to-emitter breakdown?
Internal protection diodes are integrated across the base-to-emitter junction to clamp any reverse potential, preventing breakdown conditions that could degrade gain and matching performance.
What is the typical bulk resistance value?
The typical bulk resistance (rBE) is 0.3 Ω, which ensures accurate logarithmic conformance.
