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OPA1688

更新时间： 2024-11-24 11:11:07
品牌 Logo 应用领域
德州仪器 - TI 放大器驱动运算放大器
页数 文件大小 规格书
42页 3428K
描述
36V、10MHz、低失真高驱动轨到轨输出音频运算放大器

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中文翻译

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OPA1688 数据手册

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OPA1688  
SBOS724A – SEPTEMBER 2015 – REVISED JUNE 2022  
OPA1688 36-V, Single-Supply, 10-MHz, Rail-to-Rail Output,  
SoundPlus™ Audio Operational Amplifier  
1 Features  
3 Description  
•
•
THD+N, 50 mW, 32 Ω, 1 kHz, –109 dB  
Wide supply range:  
The OPA1688 36-V, single-supply, low-noise  
SoundPlus™ audio operational amplifier is capable of  
operating on supplies ranging from 4.5 V (±2.25 V) to  
36 V (±18 V). This latest addition of a high-voltage  
audio operational amplifier in conjunction with the  
OPA16xx devices provide a family of bandwidth,  
noise, and power options to meet the needs of a wide  
variety of applications. The OPA1688 is available in  
a WSON micropackage, and offers low offset, drift,  
and quiescent current. This device also offers wide  
bandwidth, fast slew rate, and high output current  
drive capability.  
– 4.5 V to 36 V, ±2.25 V to ±18 V  
Low offset voltage: ±0.25 mV  
Low offset drift: ±0.5 µV/°C  
Gain bandwidth: 10 MHz  
Low input bias current: ±10 pA  
Low quiescent current: 1.6 mA per amplifier  
Low noise: 8 nV/√Hz  
EMI- and RFI-filtered inputs  
Input range includes negative supply  
Input range operates to positive supply  
Rail-to-rail output  
High common-mode rejection: 120 dB  
Packages:  
•
•
•
•
•
•
•
•
•
•
•
•
Unlike most op amps that are specified at only one  
supply voltage, the OPA1688 is specified from 4.5 V  
to 36 V. Input signals beyond the supply rails do not  
cause phase reversal. The input can operate 100 mV  
below the negative rail and within 2 V of the top rail  
during normal operation. Note that this device can  
operate with full rail-to-rail input 100 mV beyond the  
top rail, but with reduced performance within 2 V of  
the top rail.  
– Industry-standard SOIC-8  
– micro WSON-8  
2 Applications  
•
•
•
•
•
•
•
•
•
Professional microphones and wireless systems  
Professional audio mixer and control surface  
Guitar amp and other music instrument amps  
A/V receiver  
Bookshelf stereo system  
Professional audio amplifier (rack mount)  
DJ equipment  
The OPA1688 is specified from –40°C to +85°C.  
Device Information  
PART NUMBER  
OPA1688  
PACKAGE(1)  
BODY SIZE (NOM)  
4.90 mm × 3.91 mm  
3.00 mm × 3.00 mm  
SOIC (8)  
WSON (8)  
Turntable  
Special function module  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
C1  
1
-40  
47pF  
R1  
768  
R2  
750  
ROUT  
0.1  
-60  
Inverting  
–5 V  
VAC  
–
+
Headphone  
Output  
0.01  
-80  
+
OPA1688  
VDC  
Noninverting  
16-ꢀ Load  
VAC  
R3  
768  
5 V  
ROUT  
0.001  
-100  
-120  
32-ꢀ Load  
C2  
47pF  
R4  
ROUT  
Audio DAC  
750  
128-ꢀ Load  
0.0001  
0.001  
0.01  
0.1  
Amplitude (VRMS  
1
10  
Headphone Amplifier Circuit Configuration  
)
C004  
Superior THD Performance  
(f = 1 kHz, BW = 80 kHz, VS = ±5 V)  
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
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OPA1688 替代型号

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