OPA134 Datasheet, PDF (7/22 Pages) Burr-Brown (TI) – High Performance AUDIO OPERATIONAL AMPLIFIERS TM

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6.5 Typical Characteristics
At T_A = 25°C, V_S = 15 V, R_L = 2 kΩ, unless otherwise noted.
0.1
R_L
2kW
0.01
600W
0.001
G = +10
0.0001
G = +1
0.00001
10
100
V_O = 3Vrms
1k
10k
Frequency (Hz)
100k
OPA134, OPA2134, OPA4134
SBOS058A – DECEMBER 1997 – REVISED OCTOBER 2015
5
G = +1
f = 1kHz
1 _{RL = 2kW}
0.1
0.010
OPA134
OP176
OPA134
Baseline
0.001
0.0005
30m
0.1
1
10
30
Output Amplitude (Vpp)
Figure 1. Total Harmonic Distortion + Noise vs Frequency
0.01
V_O = 10Vrms
R_L = 2kW
0.001
0.0001
V_S = ±16
V_S = ±17
0.00001
V_S = ±18
20
100
1k
Frequency (Hz)
10k 20k
Figure 2. SMPTE Intermodulation Distortion vs Output
Amplitude
1
V_S = ±18V
R_L = 2kW
f = 1kHz
THD < 0.01%
OPA134 – 11.7Vrms
OP176 – 11.1Vrms
0.1
0.010
OPA134
OP176
OPA134
0.001
Baseline
0.0005
0.1
1
Output Amplitude (Vrms)
10 20
Figure 3. Total Harmonic Distortion + Noise vs Frequency
0.01
0.001
0.0001
0.00001
0.000001
20
2nd Harmonic
3rd Harmonic
R L ^{= 600W}
R L ^{= 2kW}
V_O = 1Vrms
100
1k
Frequency (Hz)
10k 20k
Figure 4. Headroom – Total Harmonic Distortion + Noise vs
Output Amplitude
1k
OP176+
100
Resistor
10
1
0.1
10
OPA134+
Resistor
Resistor Noise
Only
V_n (total) = Ö(_ni R_S)² + e_n2 + 4kTR_S
100
1k
10k 100k
1M
10M
Source Resistance (W)
Figure 5. Harmonic Distortion + Noise vs Frequency
Figure 6. Voltage Noise vs Source Resistance
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