Philips SA58605 User Manual download pdf (Page 5)

Philips Semiconductors Product data

SA58605Dual operational amplifier and 2.5 V shunt regulator

2003 Nov 12

TEST CIRCUITS

4000 Ω

46920 Ω

3080 Ω

OUT

GND

1 MΩ

S4S3

1 MΩ

100 kΩ

0.22 µF

0.1 µF

S12

1.5 V

OUT

S11

S2S1

S7S6

1 kΩ

TPATPB

OFF

47 µF

680 kΩ

1.5 kΩ

S10

0.22 µF

3.9 kΩ

1.5 V

SL01614

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

(Ω)

(V) Comments

Power supply current

OFF OFF OFF OFF OFF OFF OFF ON ON OFF ON OFF

4.3 k

o(A)

Output inverting voltage

(A)

OFF ON OFF OFF A

OFF OFF ON OFF ON ON OFF

4.3 k measure TPA

voltage

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

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

o(B)

Output inverting voltage

(B)

ON OFF OFF OFF B

OFF OFF OFF ON ON ON OFF

4.3 k measure TPB

voltage

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

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

= 4 V. V

OUT2

is defined by the voltage when V

= 25 V. PSSR (A) is shown in Equation (1).

2. V

OUT1

is defined by the voltage when V

= 4 V. V

OUT2

is defined by the voltage when V

= 25 V. PSSR (B) is shown in Equation (1).

PSSR + 40 ) 20 log

(25 V * 4 V)

OUT1

* V

OUT2

)

Equation (1)

1 2 3 4 5 6 7 8 9

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