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OPA830 Datasheet(PDF) 35 Page - Texas Instruments

Part # OPA830
Description  OPAx835 Ultra-Low-Power, Rail-to-Rail Out, Negative Rail In, VFB Op Amp
PDF  63 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

OPA830 Datasheet(HTML) 35 Page - Texas Instruments

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2.7V
ADS 8326
+In
-In
100
2.2 nF
2k
2 k
VIN
OPA835
VS-
2 k
4.02 k
4.02 k
2.5 V
5 V
VS+
VDD
REF
2.7 V
0 V
VSIG
1.35 V
VSIG
Figure 9-9. OPA835 and ADS8326 Test Circuit
-140
-120
-100
-80
-60
-40
-20
0
0
20
40
60
80
100
120
f - Frequency - Hz
Figure 9-10. ADS8326 and OPA835 10-kHz FFT
Table 9-3. AC Analysis
TONE (Hz)
SIGNAL (dBFS)
SNR (dBc)
THD (dBc)
SINAD (dBc)
SFDR (dBc)
10k
–0.85
81.9
–87.5
80.8
89.9
9.2 Typical Application
9.2.1 Audio Frequency Performance
The OPA835 and OPA2835 devices provide excellent audio performance with low quiescent power. To show
performance in the audio band, an audio analyzer from Audio Precision (2700 series) tests THD+N and FFT at 1
VRMS output voltage.
www.ti.com
OPA835, OPA2835
SLOS713J – JANUARY 2011 – REVISED MARCH 2021
Copyright © 2022 Texas Instruments Incorporated
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35
Product Folder Links: OPA835 OPA2835



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