NXP Semiconductors UA747C Stereo Amplifier User Manual


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Philips Semiconductors Linear Products Product specification
µA747CDual operational amplifier
August 31, 1994
58
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
MEAN SQUARE VOLTAGE — V Hz
2
10
–13
10
–14
10
–15
10
–16
10
–17
10
–18
10 100 1K 10K 100K
FREQUENCY — Hz
V
S
= + 15V
T
A
= 25
o
C
MEAN SQUARE VOLTAGE — V Hz
2
MEAN SQUARE NOISE CURRENT
10
–21
10
–22
10
–23
10
–24
10
–25
10
–26
10 100 1K 10K 100K
FREQUENCY — Hz
Broadband Noise for
Various Bandwidths
TOTAL NOISE REFERRED TO INPUT — Vrmsµ
10–1kHz
100
10
1
0.1
100 1K 10K 100K
10–100kHz
10–10kHz
SOURCE RESISTANCE — Ω
V
S
= + 15V
T
A
= 25
o
C
Input Noise Current
as a Function of Frequency
Input Noise Voltage
as a Function of Frequency
V
S
= + 15V
T
A
= 25
o
C
TEST CIRCUITS
+
–
µA747C
V
IN
C
L
R
L
V
OUT
10KΩ
–V
+
–
µA747C
Transient Response Test Circuit
Voltage Offset Null Circuit
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