NXP Semiconductors Stereo Amplifier UA747C User Manual

Philips Semiconductors Linear Products  
Product specification  
Dual operational amplifier  
µA747C  
DESCRIPTION  
PIN CONFIGURATION  
The 747 is a pair of high-performance monolithic operational  
amplifiers constructed on a single silicon chip. High common-mode  
voltage range and absence of “latch-up” make the 747 ideal for use  
as a voltage-follower. The high gain and wide range of operating  
voltage provides superior performance in integrator, summing  
amplifier, and general feedback applications. The 747 is short-circuit  
protected and requires no external components for frequency  
compensation. The internal 6dB/octave roll-off insures stability in  
closed-loop applications. For single amplifier performance, see  
µA741 data sheet.  
N Package  
INV. INPUT A  
NON–INVERTING INPUT A  
OFFSET NULL A  
OFFSET NULL A  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
+
A
V + A  
OUTPUT A  
NO CONNECT  
OUTPUT B  
V + B  
V–  
OFFSET NULL B  
NON–INVERTING INPUT B  
INVERTING INPUT B  
+
B
8
OFFSET NULL B  
TOP VIEW  
FEATURES  
No frequency compensation required  
Short-circuit protection  
Offset voltage null capability  
Large common-mode and differential voltage ranges  
Low power consumption  
No latch-up  
ORDERING INFORMATION  
DESCRIPTION  
TEMPERATURE RANGE  
ORDER CODE  
DWG #  
14-Pin Plastic DIP  
0°C to 70°C  
µA747CN  
0405B  
EQUIVALENT SCHEMATIC  
INVERTING INPUT  
V+  
Q8  
Q9  
Q12  
Q13  
Q14  
NON–INVERTING  
INPUT  
Q1  
Q3  
Q2  
R7  
4.5Ω  
R8  
7.5KΩ  
30pF  
Q18 Q15  
Q4  
R5  
R9  
25Ω  
39KΩ  
Q16  
OUTPUT  
Q7  
Q17  
R10  
50Ω  
Q5  
Q10  
Q11  
Q22  
Q6  
OFFSET NULL  
R1  
Q20  
R3  
50KΩ  
R2  
1KΩ  
R4  
5kΩ  
R12 R11  
50k50Ω  
1KΩ  
V–  
OFFSET NULL  
54  
August 31, 1994  
853-0899 13721  
 
Philips Semiconductors Linear Products  
Product specification  
Dual operational amplifier  
µA747C  
AC ELECTRICAL CHARACTERISTICS  
T =25°C, V = ±15V unless otherwise specified.  
A
S
µA747C  
Typ  
SYMBOL  
PARAMETER  
TEST CONDITIONS  
UNIT  
Min  
Max  
Transient response  
V
IN  
=20mV, R =2k, C <100pF  
L
L
t
Rise time  
Overshoot  
Slew rate  
Unity gain C 100pF  
0.3  
5.0  
0.5  
µs  
%
R
L
Unity gain C 100pF  
L
SR  
R >2kΩ  
L
V/µs  
TYPICAL PERFORMANCE CHARACTERISTICS  
Open–Looped Voltage Gain  
as a Function of Frequency  
Open–Looped Voltage Response  
Output Voltage Swing  
as a Function of Frequency  
as a Function of Frequency  
6
5
40  
0
10  
10  
V
T
= + 15V  
36  
32  
V
T
= + 15V  
S
A
S
A
V
T
= + 15V  
S
o
o
= 25 C  
= 25 C  
o
= 25 C  
A
–45  
–90  
R
= 10kΩ  
4
3
2
L
10  
10  
28  
24  
20  
16  
10  
10  
12  
8
–135  
–180  
1
4
0
–1  
100  
1k  
10k  
100k  
1M  
1
10 100 1K 10K 100K 1M 10M  
FREQUENCY — Hz  
1
10 100 1K 10K 100K 1M 10M  
FREQUENCY — Hz  
FREQUENCY — Hz  
Open–Loop Voltage Gain as a  
Function of Supply Voltage  
Output Voltage Swing as a  
Function of Supply Voltage  
Input Common–Mode Voltage Range  
as a Function of Supply voltage  
115  
40  
16  
O
36  
32  
o
o
T
= 25  
C
14  
12  
10  
8
–55 C < T < +125 C  
110  
105  
A
o
o
A
–55 C < T < +125 C  
A
R
> 2kΩ  
L
28  
100  
95  
24  
20  
16  
12  
6
90  
85  
80  
4
2
0
8
4
0
0
4
8
12  
15  
20  
5
10  
15  
20  
5
10  
15  
20  
SUPPLY VOLTAGE — +V  
SUPPLY VOLTAGE — +V  
SUPPLY VOLTAGE — +V  
Voltage-follower Large-Signal  
Pulse Response  
Frequency Characteristics as a  
Function of Supply Voltage  
Transient Response  
28  
10  
1.4  
V
T
= + 15V  
8
6
4
2
S
A
24  
20  
o
o
T
=
25 C  
= 25 C  
A
1.2  
1.0  
TRANSIENT RESPONSE  
OUTPUT  
INPUT  
V
T
= + 15V  
16  
12  
S
A
L
L
o
= 25 C  
0
R
= 2kΩ  
= 100pF  
SLEW RATE  
–2  
C
8
4
–4  
–6  
CLOSED  
LOOP  
BANDWIDTH  
0.8  
0.6  
10%  
RISE TIME  
0
–8  
–10  
0
10 20 30 40 50 60 70 80 90  
5
10  
15  
20  
0
0.5  
1.0  
1.5  
2.0  
2.5  
TIME — µS  
TIME — µs  
SUPPLY VOLTAGE — +V  
56  
August 31, 1994  
 
Philips Semiconductors Linear Products  
Product specification  
Dual operational amplifier  
µA747C  
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
Frequency Characteristics as a  
Function of Ambient Temperature  
Power Consumption as a  
Function of Supply Voltage  
Input Bias Current as a Function  
of Ambient Temperature  
100  
80  
500  
400  
1.4  
V
= + 15V  
V
= +15V  
S
S
o
T = 25C C  
A
1.2  
TRANSIENT RESPONSE  
300  
200  
60  
40  
20  
SLEW RATE  
1.0  
CLOSED LOOP  
BANDWIDTH  
0.8  
0.6  
100  
0
0
5
10  
15  
20  
–60  
–20  
20  
60  
100  
o
140  
–60  
–20  
20  
80  
100  
140  
o
TEMPERATURE —  
C
SUPPLY VOLTAGE — +V  
TEMPERATURE —  
C
Input Resistance as a Function  
of Ambient Temperature  
Input Offset Current as a  
Function of Supply Voltage  
Input Offset Current as a Function  
of Ambient Temperature  
40  
30  
10.0  
140  
V
= + 15V  
o
S
T
= 25 C  
120  
A
5.0  
3.0  
V
= + 15V  
S
100  
80  
1.0  
20  
10  
0
60  
40  
0.5  
0.3  
20  
0.1  
0
–60  
5
10  
15  
20  
–60  
–20  
20  
60  
100  
C
140  
–20  
20  
60  
100  
o
140  
o
SUPPLY VOLTAGE — +V  
TEMPERATURE —  
C
TEMPERATURE —  
Output Short–Circuit Current  
as a Function of  
Power Consumption as a Function  
of Ambient Temperature  
Output Voltage Swing as a  
Function of Load Resistance  
Ambient Temperature  
28  
26  
35  
30  
70  
V
= + 15V  
V
T
= +15V  
S
S
A
o
= 25 C  
24  
22  
20  
60  
50  
40  
25  
20  
18  
16  
14  
12  
15  
10  
30  
10  
8
0.1 0.2  
–60  
–20  
20  
60  
100  
o
140  
0.5 1.0 2.0  
5.0 10  
–60  
–20  
20  
60  
100  
140  
o
TEMPERATURE —  
C
LOAD RESISTANCE — kΩ  
TEMPERATURE —  
C
57  
August 31, 1994  
 
Philips Semiconductors Linear Products  
Product specification  
Dual operational amplifier  
µA747C  
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)  
Input Noise Voltage  
as a Function of Frequency  
Input Noise Current  
as a Function of Frequency  
Broadband Noise for  
Various Bandwidths  
–13  
–14  
–15  
–16  
–17  
–18  
–21  
–22  
–23  
–24  
10  
10  
10  
10  
10  
10  
100  
10  
V
T
= + 15V  
V
T
= + 15V  
V
T
= + 15V  
S
A
S
A
S
A
o
o
o
= 25 C  
= 25 C  
= 25 C  
10  
10  
10–100kHz  
10–10kHz  
10–1kHz  
1
–25  
–26  
10  
10  
10  
10  
0.1  
100  
10  
100  
1K  
10K  
100K  
1K  
10K  
100K  
10  
100  
1K  
10K  
100K  
FREQUENCY — Hz  
SOURCE RESISTANCE — Ω  
FREQUENCY — Hz  
TEST CIRCUITS  
µA747C  
V
OUT  
+
V
IN  
C
L
R
L
Transient Response Test Circuit  
+
µA747C  
10KΩ  
–V  
Voltage Offset Null Circuit  
58  
August 31, 1994  
 

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