Datasheet > OPAX227/X228

OPAX227/X228

更新时间： 2024-11-05 03:07:11

品牌	Logo	应用领域
德州仪器 - TI		运算放大器
页数	文件大小	规格书
15页	536K
描述
High-Performance, Fully-Differential AUDIO OP AMP

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数据手册

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OPAX227/X228 数据手册

OPA1632

SBOS286A − DECEMBER 2003 − REVISED SEPTEMBER 2006

High-Performance, Fully-Differential

AUDIO OP AMP

F_DEATURES

DESCRIPTION

SUPERIOR SOUND QUALITY

The OPA1632 is a fully-differential amplifier designed

for driving high-performance audio analog-to-digital

converters (ADCs). It provides the highest audio quality,

with very low noise and output drive characteristics

optimized for this application. The OPA1632’s excellent

gain bandwidth of 180MHz and very fast slew rate of

50V/µs produce exceptionally low distortion. Very low

input noise of 1.3nV/√Hz further ensures maximum

signal-to-noise ratio and dynamic range.

ULTRA LOW DISTORTION: 0.000022%

LOW NOISE: 1.3nV/√Hz

HIGH SPEED:

− Slew Rate: 50V/µs

− Gain Bandwidth: 180MHz

FULLY DIFFERENTIAL ARCHITECTURE:

− Balanced Input and Output Converts

Single-Ended Input to Balanced

Differential Output

The flexibility of the fully differential architecture allows

for easy implementation of

a single-ended to

fully-differential output conversion. Differential output

reduces even-order harmonics and minimizes

common-mode noise interference. The OPA1632

provides excellent performance when used to drive

high-performance audio ADCs such as the PCM1804.

A shutdown feature also enhances the flexibility of this

amplifier.

WIDE SUPPLY RANGE: 2.5V to 16V

SHUTDOWN TO CONSERVE POWER

A_DPPLICATIONS

AUDIO ADC DRIVER

BALANCED LINE DRIVER

BALANCED RECEIVER

ACTIVE FILTER

The OPA1632 is available in an SO-8 package and a

thermally-enhanced MSOP-8 PowerPAD package.

RELATED DEVICES

PREAMPLIFIER

OPAx134

High-PerformanceAudio Amplifiers

Precision High-Speed DiFET Amplifiers

Low-Noise Bipolar Amplifiers

OPA627/637

OPAx227/x228

THD + NOISE vs FREQUENCY

0.001

Gain = +1

+15V

Ω

R_F= 348

_O= 3Vrms

Differential I/O

Digital

Output

V_IN+

V_IN−

−

V_IN

V_OCM

V_IN+

0.0001

V_COM

Ω

R_L= 600

−

15V

Ω

R_L= 2k

0.00001

100

1000

10k

100k

Typical ADC Circuit

Frequency (Hz)

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments

semiconductor products and disclaimers thereto appears at the end of this data sheet.

PowerPAD is a trademark of Texas Instruments. All other trademarks are the property of their respective owners.

ꢀꢁ ꢂ ꢃꢄ ꢅ ꢆꢇ ꢂꢈ ꢃ ꢉꢆꢉ ꢊꢋ ꢌꢍ ꢎ ꢏꢐ ꢑꢊꢍꢋ ꢊꢒ ꢓꢔ ꢎ ꢎ ꢕꢋꢑ ꢐꢒ ꢍꢌ ꢖꢔꢗ ꢘꢊꢓ ꢐꢑꢊ ꢍꢋ ꢙꢐ ꢑꢕꢚ ꢀꢎ ꢍꢙꢔ ꢓꢑꢒ

ꢓ ꢍꢋ ꢌꢍꢎ ꢏ ꢑꢍ ꢒ ꢖꢕ ꢓ ꢊ ꢌꢊ ꢓ ꢐ ꢑꢊ ꢍꢋꢒ ꢖ ꢕꢎ ꢑꢛꢕ ꢑꢕ ꢎ ꢏꢒ ꢍꢌ ꢆꢕꢜ ꢐꢒ ꢇꢋꢒ ꢑꢎ ꢔꢏ ꢕꢋꢑ ꢒ ꢒꢑ ꢐꢋꢙ ꢐꢎ ꢙ ꢝ ꢐꢎ ꢎ ꢐ ꢋꢑꢞꢚ

ꢀꢎ ꢍ ꢙꢔꢓ ꢑ ꢊꢍ ꢋ ꢖꢎ ꢍ ꢓ ꢕ ꢒ ꢒ ꢊꢋ ꢟ ꢙꢍ ꢕ ꢒ ꢋꢍꢑ ꢋꢕ ꢓꢕ ꢒꢒ ꢐꢎ ꢊꢘ ꢞ ꢊꢋꢓ ꢘꢔꢙ ꢕ ꢑꢕ ꢒꢑꢊ ꢋꢟ ꢍꢌ ꢐꢘ ꢘ ꢖꢐ ꢎ ꢐꢏ ꢕꢑꢕ ꢎ ꢒꢚ

www.ti.com

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