Datasheet CA3140, CA3140A (Intersil) - 5
| Manufacturer | Intersil |
| Description | 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output |
| Pages / Page | 23 / 5 — CA3140, CA3140A. Block Diagram. 2mA. 4mA. 7 V+. BIAS CIRCUIT. CURRENT … |
| Revision | 2017-12-07 |
| File Format / Size | PDF / 1.5 Mb |
| Document Language | English |
CA3140, CA3140A. Block Diagram. 2mA. 4mA. 7 V+. BIAS CIRCUIT. CURRENT SOURCES. AND REGULATOR. 200. 1.6mA. INPUT. OUTPUT. 10,000. 12pF. STROBE. OFFSET
Model Line for this Datasheet
Text Version of Document
CA3140, CA3140A Block Diagram 2mA 4mA 7 V+ BIAS CIRCUIT CURRENT SOURCES AND REGULATOR 200
µ
A 1.6mA 200
µ
A 2
µ
A 2mA + 3 A
≈
INPUT A
≈
10 OUTPUT 10,000 A
≈
1 6 - 2 C1 12pF 4 V- 5 1 8 STROBE OFFSET NULL Schematic Diagram BIAS CIRCUIT INPUT STAGE SECOND STAGE OUTPUT STAGE DYNAMIC CURRENT SINK 7 V+ D1 D7 R13 5K Q3 R Q20 9 Q Q 1 2 50
Ω
D8 R10 Q4 1K Q Q R 6 5 14 20K Q R 19 R11 12 Q 20
Ω
12K 7 Q21 Q17 R1 R Q 8 8K 8 1K Q18 6 OUTPUT D2 D D 3 4 D5 INVERTING 2 INPUT - Q Q 9 10 + NON-INVERTING 3 INPUT C1 R2 R3 500
Ω
500
Ω
12pF Q14 Q Q 15 16 Q13 Q11 Q12 D6 R4 R5 R R 6 7 500
Ω
500
Ω
50
Ω
30
Ω
5 1 8 4 OFFSET NULL STROBE V-
NOTE: All resistance values are in ohms. 5 FN957.10 July 11, 2005
µ
A 1.6mA 200
µ
A 2
µ
A 2mA + 3 A
≈
INPUT A
≈
10 OUTPUT 10,000 A
≈
1 6 - 2 C1 12pF 4 V- 5 1 8 STROBE OFFSET NULL Schematic Diagram BIAS CIRCUIT INPUT STAGE SECOND STAGE OUTPUT STAGE DYNAMIC CURRENT SINK 7 V+ D1 D7 R13 5K Q3 R Q20 9 Q Q 1 2 50
Ω
D8 R10 Q4 1K Q Q R 6 5 14 20K Q R 19 R11 12 Q 20
Ω
12K 7 Q21 Q17 R1 R Q 8 8K 8 1K Q18 6 OUTPUT D2 D D 3 4 D5 INVERTING 2 INPUT - Q Q 9 10 + NON-INVERTING 3 INPUT C1 R2 R3 500
Ω
500
Ω
12pF Q14 Q Q 15 16 Q13 Q11 Q12 D6 R4 R5 R R 6 7 500
Ω
500
Ω
50
Ω
30
Ω
5 1 8 4 OFFSET NULL STROBE V-
NOTE: All resistance values are in ohms. 5 FN957.10 July 11, 2005
