Overview
The SA575DR2G, produced by onsemi, is a precision dual gain control circuit designed for low voltage applications. This component is part of the SA575 series and is packaged in a TSSOP-20 (Pb-Free) case. It is tailored for various audio and communication systems, offering a versatile solution for gain control and companding functions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 3.0 to 7.0 | V |
| Reference Voltage (VREF) | 100 mV RMS = 0 dB | mV |
| Single or Split Supply Operation | Yes | |
| Maximum Single Supply Voltage (VCC) | -0.3 to 8.0 | V |
| Operating Ambient Temperature Range | -40 to +85 | °C |
| Operating Junction Temperature | 150 | °C |
| Thermal Impedance (θJA) | 124 | °C/W |
| Maximum Power Dissipation | 1068 | mW |
Key Features
- Dual-channel configuration with one dedicated summing op amp per channel and two extra uncommitted op amps.
- Operating voltage range from 3.0 V to 7.0 V.
- Reference voltage of 100 mVRMS = 0 dB.
- Wide input/output swing capability.
- Single or split supply operation.
- Pb-Free, Halogen Free/BFR Free, and RoHS compliant.
- Configurable as expandor, compressor, or automatic level controller (ALC).
- High performance uncommitted op amps for additional applications such as filtering, pre-emphasis/de-emphasis, or buffering.
Applications
- Portable Communications
- Cellular Radio
- Cordless Telephone
- Consumer Audio
- Portable Broadcast Mixers
- Wireless Microphones
- Modems
- Electric Organs
- Hearing Aids
Q & A
- What is the operating voltage range of the SA575DR2G?
The operating voltage range is from 3.0 V to 7.0 V.
- What are the possible configurations for the SA575DR2G channels?
Channel 1 can be configured as an expandor, while channel 2 can be configured as an expandor, compressor, or automatic level controller (ALC).
- What is the reference voltage (VREF) for the SA575DR2G?
The reference voltage (VREF) is typically 100 mVRMS = 0 dB.
- Is the SA575DR2G Pb-Free and RoHS compliant?
Yes, the SA575DR2G is Pb-Free, Halogen Free/BFR Free, and RoHS compliant.
- What are the typical applications of the SA575DR2G?
Typical applications include portable communications, cellular radio, cordless telephone, consumer audio, and more.
- What is the maximum operating junction temperature for the SA575DR2G?
The maximum operating junction temperature is 150°C.
- Can the SA575DR2G operate on a single or split supply?
Yes, the SA575DR2G supports both single and split supply operation.
- What is the thermal impedance (θJA) of the SA575DR2G?
The thermal impedance (θJA) is 124°C/W.
- What is the maximum power dissipation for the SA575DR2G?
The maximum power dissipation is 1068 mW.
- Are there additional op amps available on the SA575DR2G for other applications?
Yes, there are two additional high-performance uncommitted op amps that can be used for applications such as filtering, pre-emphasis/de-emphasis, or buffering.
