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MFG:ADI D/C:09
Part Number: AD743
MFG: ADI
D/C: 09
Description: The AD743 is an ultralow noise precision, FET input, monolithic operational amplifier. It offers a com...
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AD743
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DataSheet
General Description
AD743 General Description
The AD743 is an ultralow noise precision, FET input, monolithic operational amplifier. It offers a combination of the ultralow voltage noise generally associated with bipolar input op amps and the very low input current of a FET-input device. Furthermore, the AD743 does not exhibit an output phase reversal when the negative common-mode voltage limit is exceeded.
The AD743's guaranteed, maximum input voltage noise of 4.0 nV/HZ at 10 kHz is unsurpassed for a FET-input monolithic op amp, as is the maximum 1.0 mV p-p, 0.1 Hz to 10 Hz noise. The AD743 also has excellent dc performance with 250 pA maximum input bias current and 0.5 mV maximum offset voltage.
The AD743 is specifically designed for use as a preamp in capacitive sensors, such as ceramic hydrophones. It is available in five performance grades. The AD743J and AD743K are rated over the commercial temperature range of 0to +70. The AD743A and AD743B are rated over the industrial temperature range of 40 to +85. The AD743S is rated over the military temperature range of 55 to +125and is available processed to MIL-STD-883B, Rev. C.
The AD743 is available in 8-pin plastic mini-DIP, 8-pin cerdip, 16-pin SOIC, or in chip form.
AD743 Maximum Ratings
| Supply Voltage | ±18 V |
| Internal Power Dissipation2 Input Voltage |
±VS |
| Output Short Circuit Duration | Indefinite |
| Differential Input Voltage | +VS and VS |
| Storage Temperature Range (Q) | 65 to +150 |
| Storage Temperature Range (N, R) | 65 to +125 |
| Operating Temperature Range AD743J/K AD743A/B AD743S |
0 to +70 40 to +85 55 to +125 |
| Lead Temperature Range (Soldering 60seconds) | 300 |
NOTES
1 Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
2 8-pin plastic package:JA = 100/Watt, JC = 50/Watt
8-pin cerdip package: JA = 110/Watt, JC = 30/Watt
16-pin plastic SOIC package: JA = 100/Watt, JC = 30/Watt
AD743 Features
`ULTRALOW NOISE PERFORMANCE
`2.9 nV/HZ at 10 kHz
`0.38 V p-p, 0.1 Hz to 10 Hz
`6.9 fA/HZ Current Noise at 1 kHz
`2.9 nV/HZ at 10 kHz
`0.38 V p-p, 0.1 Hz to 10 Hz
`6.9 fA/HZ Current Noise at 1 kHz
AD743 Connection Diagram
AD743
PDF/DataSheet Download
- Datasheet: AD743
- File Size: 409617 KB
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- ·AD7001
- AD [Analog Devices]
- LC2MOS GSM Baseband I/O Port
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- ·AD7001AS
- AD [Analog Devices]
- LC2MOS GSM Baseband I/O Port
- 634418 KB
- ·AD7002
- AD [Analog Devices]
- LC2MOS GSM Baseband I/O Port
- 466516 KB
- ·AD7002AS
- AD [Analog Devices]
- LC2MOS GSM Baseband I/O Port
- 466516 KB
- ·AD7008
- AD [Analog Devices]
- CMOS DDS Modulator
- 517485 KB
- ·AD7008/PCB
- AD [Analog Devices]
- CMOS DDS Modulator
- 517485 KB
- ·AD7008AP20
- AD [Analog Devices]
- CMOS DDS Modulator
- 517485 KB
- ·AD7008JP50
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