參數(shù)資料
型號: OPA2134UAG4
英文描述: High Performance AUDIO OPERATIONAL AMPLIFIERS
中文描述: 高性能音頻運算放大器
文件頁數(shù): 4/14頁
文件大?。?/td> 408K
代理商: OPA2134UAG4
4
OPA134/2134/4134
HEADROOM – TOTAL HARMONIC DISTORTION
+ NOISE vs OUTPUT AMPLITUDE
Output Amplitude (Vrms)
T
1
0.1
0.010
0.001
0.0005
0.1
1
10
20
V
S
= ±18V
R
= 2k
f = 1kHz
THD < 0.01%
OPA134 – 11.7Vrms
OP176 – 11.1Vrms
Baseline
OP176
OPA134
OPA134
TYPICAL PERFORMANCE CURVES
(CONT)
At T
A
= +25
°
C, V
S
=
±
15V, R
L
= 2k
, unless otherwise noted.
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
Frequency (Hz)
T
0.01
0.001
0.0001
0.00001
20
100
1k
10k
20k
V
O
= 10Vrms
R
L
= 2k
V
S
= ±16
V
S
= ±17
V
S
= ±18
HARMONIC DISTORTION + NOISE vs FREQUENCY
Frequency (Hz)
A
0.01
0.001
0.0001
0.00001
0.000001
20
100
1k
10k
20k
2nd Harmonic
3rd Harmonic
V
O
= 1Vrms
R
L
= 600
R
L
= 2k
VOLTAGE NOISE vs SOURCE RESISTANCE
Source Resistance (
)
V
H
1k
100
10
1
0.1
10
100
1k
10k
100k
1M
10M
OP176+
Resistor
OPA134+
Resistor
Resistor Noise
Only
V
n
(total) =
(i
n
R
S
)
2
+ e
n2
+ 4kTR
S
INPUT VOLTAGE AND CURRENT NOISE
SPECTRAL DENSITY vs FREQUENCY
1
1k
100
10
V
H
Frequency (Hz)
10
100
1k
10k
100k
1M
1
C
H
Voltage Noise
Current Noise
INPUT-REFERRED NOISE VOLTAGE
vs NOISE BANDWIDTH
Noise Bandwidth (Hz)
N
μ
V
100
10
1
0.1
1
10
100
1k
10k
100k
R
S
= 20
Peak-to-Peak
RMS
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