Test circuits – Philips SA58605 User Manual
Page 5
Philips Semiconductors
Product data
SA58605
Dual operational amplifier and 2.5 V shunt regulator
2003 Nov 12
5
TEST CIRCUITS
4000
Ω
46920
Ω
3080
Ω
2
3
4
5
1
A
IN
B
IN
OUT
GND
V
CC
1 M
Ω
S9
S4
S3
1 M
Ω
S8
100 k
Ω
0.22
µ
F
0.1
µ
F
S12
1.5 V
V
CC
OUT
R
L
S11
S2
S1
S7
S6
1 k
Ω
V
IN
TPA
TPB
OFF
B
IN
A
IN
S5
47
µ
F
680 k
Ω
1.5 k
Ω
S10
0.22
µ
F
3.9 k
Ω
1.5 V
SL01614
A
Figure 6. Test circuit.
Table 1. Parameter test circuit 1 switch and power supply settings
SYMBOL
PARAMETER
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
R
L
(
Ω
)
V
IN
(V)
Comments
I
CC
Power supply current
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
4.3 k
V
o(A)
Output inverting voltage
(A)
OFF
ON
OFF
OFF
A
IN
OFF
OFF
ON
OFF
ON
ON
OFF
4.3 k
measure TPA
voltage
I
i(bias)(A)
Input bias current (A)
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
4.3 k
measure TPA
voltage
I
o(sink)(A)
Output sink current (A)
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
ON
2.7
measure
output sink
current
PSSR (A)
PSSR (A)
OFF
ON
OFF
ON
OFF
OFF
ON
ON
OFF
OFF
ON
OFF
4.3 k
V
o(A)
Note 1
V
o(B)
Output inverting voltage
(B)
ON
OFF
OFF
OFF
B
IN
OFF
OFF
OFF
ON
ON
ON
OFF
4.3 k
measure TPB
voltage
I
i(bias)(B)
Input bias current (B)
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
4.3 k
measure TPB
voltage
I
o(sink)(B)
Output sink current (B)
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
0.17
measure
output sink
current
PSSR (B)
PSSR (B)
ON
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
ON
OFF
4.3 k
V
o(B)
–
20 mV
Note 2
NOTES:
1. V
OUT1
is defined by the voltage when V
CC
= 4 V. V
OUT2
is defined by the voltage when V
CC
= 25 V. PSSR (A) is shown in Equation (1).
2. V
OUT1
is defined by the voltage when V
CC
= 4 V. V
OUT2
is defined by the voltage when V
CC
= 25 V. PSSR (B) is shown in Equation (1).
PSSR
+
40
)
20 log
Ť
(25 V
*
4 V)
(V
OUT1
*
V
OUT2
)
Ť
Equation (1)