| IC numbers: | TL084, TL084A, LF347, µA4048, µPC4084 |
| IC function: | Quad operational amplifier |
| Related components: | TL082, TL082A, LF353, LM258, LM358, MC1458, LM833 (dual operational amplifier), µA741, LM741 (single operational amplifier) |
| IC number | Manufacturer | Documentation |
|---|---|---|
| LF347 | Motorola (now ON Semiconductor) | Datasheet (PDF) |
| National Semiconductor | Web page, Datasheet (PDF) | |
| TL084 | Texas Instruments | Web page, Datasheet (PDF) |
| TL084A | Texas Instruments | Web page, Datasheet (PDF) |
| µPC4084 | NEC | Datasheet (PDF) |
| IC number | Package | CBM part number | CBM part description | Replacement parts |
|---|---|---|---|---|
| LF347 | 14-pin DIP | 901523-14 | IC, LF347 | LF347N available from: |
| TL084, LF347 | 14-pin DIP | 390086-01 | LF347/TL084 | TL084 available from: |
| TL084A, LF347 | 14-pin SO | 391103-01 | IC, Linear, LF347/TL084ACD, SM | |
| LF347 | 14-pin SO | 391554-01 | IC, Linear, LF347, EIAJ package |
| Device | Position | Components | Package |
|---|---|---|---|
| A1000 | U5G | LF347, µA4048, µPC4084 | DIP |
| A2000 | U56 | LF347 | DIP |
| A2000CR | U204 | TL084, LF347 | DIP |
| A500 | U14 | TL084, LF347 | DIP |
| A500 Plus | U14 | TL084, LF347 | DIP |
| CDTV | U5, U6 | TL084, LF347 | DIP |
| A3000 | U402 | LF347 | DIP |
| A3000T | U402, U900 | LF347 | DIP |
| A600 | U15 | TL084A, LF347 | SO |
| A4000 | U15 | LF347 | SO |
| A1200 | U15 | TL084A, LF347 | SO |
| A570 | U10 | LF347 | DIP |
| A4000T A/V module | U310 | TL084A, LF347 | SO |
| Pin | Opamp | Function |
|---|---|---|
| 1 | 1 | OUT |
| 2 | 1 | IN- |
| 3 | 1 | IN+ |
| 4 | all | VCC+ |
| 5 | 2 | IN+ |
| 6 | 2 | IN- |
| 7 | 2 | OUT |
| 8 | 3 | OUT |
| 9 | 3 | IN- |
| 10 | 3 | IN+ |
| 11 | all | VCC- |
| 12 | 4 | IN+ |
| 13 | 4 | IN- |
| 14 | 4 | OUT |