Philips Semiconductors | Product data | |
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Dual operational amplifier and 2.5 V shunt regulator | SA58605 | |
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TEST CIRCUITS
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| VCC |
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| TPB | TPA |
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| 0.22 μF | RL | |
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| 100 kΩ |
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| VCC |
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| 5 | S11 |
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S10 |
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| S1 | S2 | S3 | S4 |
| 4000 Ω |
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| 1 | OUT | |
0.22 μF |
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| AIN |
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| OUT |
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| 1.5 kΩ | S5 |
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| 46920 Ω |
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| OFF |
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| 0.1 μF | |
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| BIN | 3 |
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3.9 kΩ | 680 kΩ | S6 | S7 |
| S8 | S9 |
| 3080 Ω |
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1.5 V |
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| 1 kΩ |
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| 2 | 1.5 V |
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| 47 μF |
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| 1 MΩ | 1 MΩ |
| GND |
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| VIN |
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| 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 | RL | VIN (V) | Comments |
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ICC | Power supply current | OFF | OFF | OFF | OFF | OFF | OFF | OFF | ON | ON | OFF | ON | OFF | 4.3 k |
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V | Output inverting voltage | OFF | ON | OFF | OFF | AIN | OFF | OFF | ON | OFF | ON | ON | OFF | 4.3 k |
| measure TPA |
o(A) | (A) |
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| voltage |
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Ii(bias)(A) | Input bias current (A) | OFF | OFF | OFF | OFF | OFF | OFF | OFF | ON | ON | OFF | ON | OFF | 4.3 k |
| measure TPA |
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| voltage |
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Io(sink)(A) | Output sink current (A) | OFF | OFF | OFF | OFF | OFF | OFF | ON | ON | OFF | OFF | OFF | ON |
| 2.7 | measure |
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| output sink |
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| current |
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PSSR (A) | PSSR (A) | OFF | ON | OFF | ON | OFF | OFF | ON | ON | OFF | OFF | ON | OFF | 4.3 k | Vo(A) | Note 1 |
V | Output inverting voltage | ON | OFF | OFF | OFF | BIN | OFF | OFF | OFF | ON | ON | ON | OFF | 4.3 k |
| measure TPB |
o(B) | (B) |
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| voltage |
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Ii(bias)(B) | Input bias current (B) | OFF | OFF | OFF | OFF | OFF | OFF | OFF | ON | ON | OFF | ON | OFF | 4.3 k |
| measure TPB |
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| voltage |
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Io(sink)(B) | Output sink current (B) | OFF | OFF | OFF | OFF | OFF | ON | OFF | OFF | ON | OFF | OFF | ON |
| 0.17 | measure |
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| output sink |
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| current |
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PSSR (B) | PSSR (B) | ON | OFF | ON | OFF | OFF | ON | OFF | OFF | ON | OFF | ON | OFF | 4.3 k | Vo(B) ± | Note 2 |
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| 20 mV |
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NOTES:
1.VOUT1 is defined by the voltage when VCC = 4 V. VOUT2 is defined by the voltage when VCC = 25 V. PSSR (A) is shown in Equation (1).
2.VOUT1 is defined by the voltage when VCC = 4 V. VOUT2 is defined by the voltage when VCC = 25 V. PSSR (B) is shown in Equation (1).
(25 V 4 V) |
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PSSR 40 ) 20 log(VOUT1 VOUT2) | Equation (1) |
2003 Nov 12 | 5 |
