OPA340UA/2K5 Audio Power Amplifier IC Op Amps Single-Supply Rail-to-Rail
digital audio amplifier ic
,audio preamplifier ic
OPA340UA/2K5 Audio Power Amplifier IC Op Amps Single-Supply Rail-to-Rail
1 Features
- Rail-to-Rail Input
-
Rail-to-Rail Output (Within 1 mV)
-
MicroSize Packages
-
Wide Bandwidth: 5.5 MHz
-
High Slew Rate: 6 V/μs
-
Low THD + Noise: 0.0007% (f = 1 kHz)
-
Low Quiescent Current: 750 μA/Channel
-
Single, Dual, and Quad Versions
2 Applications
-
Driving A/D Converters
-
PCMCIA Cards
-
Data Acquisition
-
Process Control
-
Audio Processing
-
Communications
-
Active Filters
-
Test Equipment
3 Description
The OPA340 series rail-to-rail CMOS operational amplifiers are optimized for low-voltage, single-supply operation. Rail-to-rail input and output and high- speed operation make them ideal for driving sampling analog-to-digital (A/D) converters. They are also well- suited for general purpose and audio applications as well as providing I/V conversion at the output of digital-to-analog (D/A) converters. Single, dual, and quad versions have identical specifications for design flexibility.
The OPA340 series operate on a single supply as low as 2.5 V with an input common-mode voltage range that extends 500 mV below ground and 500 mV above the positive supply. Output voltage swing is to within 1 mV of the supply rails with a 100-kΩ load. These devices offer excellent dynamic response
(BW = 5.5 MHz, SR = 6 V/μs), yet quiescent current is only 750 A. Dual and quad designs feature completely independent circuitry for lowest crosstalk and freedom from interaction.
The single (OPA340) packages are the tiny 5-pin SOT-23 surface mount, 8-pin SOIC surface mount, and 8-pin DIP. The dual (OPA2340) comes in the miniature 8-pin VSSOP surface mount, 8-pin SOIC surface mount, and 8-pin PDIP packages. The quad (OPA4340) packages are the space-saving 16-pin SSOP surface mount and 14-pin SOIC surface mount. All are specified from –40°C to 85°C and operate from –55°C to 125°C. A SPICE macromodel is available for design analysis.
Device Information
|
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
|
OPA340 |
SOT-23 (5) |
3.00 mm × 3.00 mm |
|
OPA340, OPA2340 |
PDIP (8) |
9.81 mm × 6.35 mm |
|
SOIC (8) |
4.90 mm × 3.91 mm |
|
|
OPA2340 |
VSSOP (8) |
3.00 mm × 3.00 mm |
|
OPA4340 |
SOIC (14) |
8.65 mm × 3.91 mm |
|
SSOP (16) |
4.90 mm × 3.90 mm |
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