差分放大器
ADI公司的差分放大器高度集成，针对差分信号应用进行了优化。 此类器件本身具有共模抑制特性，可提供低谐波失真，具有出色的输出增益和相位匹配。 无论是要驱动平衡ADC输入或寻求互补输出，还是要通过长电缆发送和接收信号，ADI公司都有合适的差分放大器来满足应用要求。
ADI DiffAmpCalc™ 设计工具
下载免费ADI DiffAmpCalc™工具设计差分放大器电路，将设计时间从几小时缩短到几分钟！ 该工具易于使用，采用互动用户界面，可以让您迅速上手使用。
应用笔记
- AN-1375: 高电压D类放大器的输出电流监控 (Rev. 0) PDF
- AN-1364：通信系统中接收链的差分滤波器设计 (Rev. 0) PDF
- AN-1098: 高性能差分驱动放大器与ADC之间的窄带接口设计方法 (Rev. 0) PDF
- AN-1026: 高速差分ADC驱动器设计考虑[中文版] (Rev. 0) PDF
- AN-0990: 在单端输入应用中连接差分放大器 (Rev. 0) PDF
- AN-0992: 用于差分放大器的有源滤波器评估板 (Rev. 0) PDF
技术指南
设计手册
用户手册
- UG-422: AD8476 Differential Amplifier Evaluation Board for 8-Lead MSOP Package PDF
- UG-311: Reliability Handbook PDF
- UG-425: Evaluation Board for the ADA4433-1, Fully Differential Video Filter Amplifier Offered in 8-Lead LFCSP PDF
- UG-377: Evaluation Board for the ADA4830-1, High Speed Difference Amplifier Offered in 8-Lead LFCSP PDF
- UG-190：AD8137和AD8139评估板用户指南 PDF
- UG-132：ADA492x-1和ADA493x-1系列差分放大器评估板用户指南 PDF
- UG-130：8引脚SOIC和MSOP封装的差分放大器评估板 PDF
- UG-107：评估板用户指南 PDF
- UG-102: Evaluation Board for Single High Speed Selectable Gain Differential Amplifiers (16-Lead, 3 mm × 3 mm LFCSP) PDF
- UG-133：评估板用户指南 PDF
- UG-018：评估板用户指南 (Rev. C) PDF
产品选型手册
参考电路
差分放大器
| SortOrder | Part# | # of Channels | BW -3 dB (typ) (Hz) | Slew Rate (typ) (V/us) | Gain Set | Gain (min) (dB) | Gain (max) (dB) | Is (typ) (A) | Vs span (min) (V) | Vs span (max) (V) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ADA4945-1 | 1 | 200M | 600 | Resistor | - | - | 4m | 2.7 | 11 | $1.50 (ADA4945-1ACPZ-R7) |
| 2 | ADL5569 | 2 | 6.5G | 24k | Pin Strap | 6 | 20 | 86m | 4.75 | 5.25 | $16.59 (ADL5569BCPZ) |
| 3 | LTC6432B-15 | 1 | 1.4G | - | Fixed | 15.2 | 15.2 | 166m | 4.75 | 5.25 | $3.69 (LTC6432BIUF-15#PBF) |
| 4 | LTC6432A-15 | 1 | 1.4G | - | Fixed | 15.2 | 15.2 | 166m | 4.75 | 5.25 | $6.44 (LTC6432AIUF-15#PBF) |
| 5 | LTC6419 | 2 | 1.4G | 3.3k | Resistor | 0 | - | 52m | 2.7 | 5.25 | $8.50 (LTC6419IV#PBF) |
| 6 | ADL5567 | 2 | 4.3G | 20000 | Pin Strap | 0 | 20 | 138m | 3.15 | 5.25 | - |
| 7 | ADL5205 | 2 | 1.2G | 5000 | Digital | -9 | 26 | 175m | 3.15 | 5.25 | - |
| 8 | LTC6363-2 | 1 | 21M | 75 | Fixed | 6.02 | 6.02 | 1.7m | 2.8 | 11 | $3.92 (LTC6363IMS8-2#PBF) |
| 9 | LTC6363-1 | 1 | 35M | 75 | Fixed | 0 | 0 | 1.7m | 2.8 | 11 | $3.92 (LTC6363IMS8-1#PBF) |
| 10 | LTC6363-0.5 | 1 | 60M | 75 | Fixed | -6.02 | -6.02 | 1.7m | 2.8 | 11 | $3.92 (LTC6363IMS8-0.5#PBF) |
| 11 | LTC6363 | 1 | 35M | 75 | Resistor | -20 | - | 1.7m | 2.8 | 11 | $2.49 (LTC6363IDCB#TRPBF) |
| 12 | LTC6430B-20 | 1 | 2G | - | Fixed | 20.8 | 20.8 | 170m | 4.75 | 5.25 | $3.69 (LTC6430BIUF-20#PBF) |
| 13 | LTC6430A-20 | 1 | 2G | - | Fixed | 20.8 | 20.8 | 170m | 4.75 | 5.25 | $6.44 (LTC6430AIUF-20#PBF) |
| 14 | ADA4961 | 1 | 3.2G | 12k | Digital, Pin Strap | -6 | 15 | 150m | 3.3 | 5.5 | $11.99 (ADA4961ACPZN-R7) |
| 15 | LTC6430B-15 | 1 | 2G | - | Fixed | 15.2 | 15.2 | 160m | 4.75 | 5.25 | $3.69 (LTC6430BIUF-15#PBF) |
| 16 | LTC6430A-15 | 1 | 2G | - | Fixed | 15.2 | 15.2 | 160m | 4.75 | 5.25 | $6.44 (LTC6430AIUF-15#PBF) |
| 17 | ADL5566 | 2 | 4.5G | 20k | Pin Strap | 3 | 16 | 160m | 2.8 | 5.2 | $6.05 (ADL5566ACPZ-R7) |
| 18 | LTC6417 | 1 | 1.6G | 10k | Fixed | 0 | 0 | 123m | 4.75 | 5.25 | $3.89 (LTC6417CUDC#PBF) |
| 19 | LTC6362 | 1 | 34M | 45 | Resistor | 0 | 0 | 900µ | 2.8 | 5.25 | $1.53 (LTC6362CDD#PBF) |
| 20 | LTC6360 | 1 | 250M | 135 | Resistor | 0 | - | 6.6m | 4.75 | 5.25 | $2.19 (LTC6360CDD#PBF) |
| 21 | ADL5565 | 1 | 6G | 11000 | Pin Strap | 0 | 15.5 | 80m | 2.8 | 5.2 | $3.68 (ADL5565ACPZ-R7) |
| 22 | ADA4940-2 | 2 | 260M | 95 | Resistor | - | - | 1.25m | 3 | 7 | $2.59 (ADA4940-2ACPZ-R7) |
| 23 | ADA4940-1 | 1 | 260M | 95 | Resistor | - | - | 1.25m | 3 | 7 | $1.59 (ADA4940-1ACPZ-R7) |
| 24 | AD8476 | 1 | 6M | 10 | Fixed | 1 | 1 | 330µ | 3 | 18 | $1.99 (AD8476ACPZ-R7) |
| 25 | ADA4930-2 | 2 | 1.4G | 2.8k | Resistor | - | - | 70m | 3.3 | 5 | $6.29 (ADA4930-2YCPZ-R7) |
| 26 | ADA4930-1 | 1 | 1.4G | 2.8k | Resistor | - | - | 35m | 3.3 | 5 | $3.79 (ADA4930-1YCPZ-R7) |
| 27 | AD8475 | 1 | 150M | 50 | Digital, Pin Strap | -8 | -2 | 3m | 3 | 10 | $1.99 (AD8475ACPZ-R7) |
| 28 | AD8366 | 2 | 600M | 1.1k | Digital | 4.5 | 20.25 | 180m | 4.75 | 5.25 | $6.57 (AD8366ACPZ-R7) |
| 29 | LTC6409 | 1 | 2G | 3.3k | Resistor | 0 | - | 52m | 2.7 | 5.25 | $4.50 (LTC6409CUDB#TRPBF) |
| 30 | ADA4960-1 | 1 | 5G | 8.7k | Analog | 0 | 18 | 60m | 4.75 | 5.25 | $6.95 (ADA4960-1ACPZ-R7) |
| 31 | LT6350 | 1 | 33M | 48 | Resistor | - | - | 4.8m | 2.7 | 12 | $2.59 (LT6350CDD#PBF) |
| 32 | LTC6412 | 1 | 800M | - | Analog | -14 | 17 | 110m | 3 | 3.6 | $4.69 (LTC6412CUF#PBF) |
| 33 | ADL5562 | 1 | 3.3G | 9.8k | Pin Strap | 3 | 15.5 | 80m | 3 | 3.6 | $3.68 (ADL5562ACPZ-R7) |
| 34 | ADL5561 | 1 | 2.9G | 9.8k | Pin Strap | 3 | 15.5 | 40m | 3 | 3.6 | $3.68 (ADL5561ACPZ-R7) |
| 35 | ADA4950-2 | 2 | 750M | 2.9k | Digital, Pin Strap | 0 | 9.54 | 19m | 3 | 11 | $5.29 (ADA4950-2YCPZ-R7) |
| 36 | ADA4950-1 | 1 | 750M | 2.9k | Digital, Pin Strap | 0 | 9.54 | 9.5m | 3 | 11 | $2.99 (ADA4950-1YCPZ-R7) |
| 37 | ADA4932-2 | 2 | 560M | 2.8k | Resistor | - | - | 19.2m | 3 | 11 | $5.29 (ADA4932-2YCPZ-R7) |
| 38 | ADA4932-1 | 1 | 560M | 2.8k | Resistor | - | - | 9.6m | 3 | 11 | $2.95 (ADA4932-1YCPZ-R7) |
| 39 | ADA4927-2 | 2 | 2.3G | 5k | Resistor | - | - | 44.2m | 4.5 | 11 | $6.29 (ADA4927-2YCPZ-R7) |
| 40 | ADA4927-1 | 1 | 2.3G | 5k | Resistor | - | - | 22.1m | 4.5 | 11 | $3.79 (ADA4927-1YCPZ-R7) |
| 41 | LTC6416 | 1 | 2G | 3.4k | Fixed | 0 | 0 | 42m | 2.7 | 3.9 | $3.50 (LTC6416CDDB#TRPBF) |
| 42 | LTC6421-20 | 2 | 1.3G | 4.5k | Fixed | 20 | 20 | 40m | 2.85 | 3.5 | $4.77 (LTC6421CUDC-20#PBF) |
| 43 | LTC6405 | 1 | 800M | 690 | Resistor | 0 | - | 18m | 4.5 | 5.25 | $3.44 (LTC6405CMS8E#PBF) |
| 44 | LTC6400-8 | 1 | 2.2G | 3.81k | Fixed | 8 | 8 | 85m | 2.85 | 3.5 | $3.20 (LTC6400CUD-8#PBF) |
| 45 | LTC6400-20 | 1 | 1.8G | 4.5k | Fixed | 20 | 20 | 90m | 2.85 | 3.5 | $3.20 (LTC6400CUD-20#PBF) |
| 46 | LTC6400-14 | 1 | 2.4G | 6k | Fixed | 14 | 14 | 85m | 2.85 | 3.5 | $3.20 (LTC6400CUD-14#PBF) |
| 47 | LT6604-5 | 2 | 5M | - | Resistor | 0 | - | 26m | 3 | 11 | $6.50 (LT6604CUFF-5#PBF) |
| 48 | LT6604-2.5 | 2 | 2.5M | - | Resistor | 0 | - | 26m | 3 | 11 | $6.50 (LT6604CUFF-2.5#PBF) |
| 49 | LT6604-15 | 2 | 15M | - | Resistor | 0 | - | 35m | 3 | 11 | $6.50 (LT6604CUFF-15#PBF) |
| 50 | LT6604-10 | 2 | 10M | - | Resistor | 0 | - | 35m | 3 | 11 | $6.50 (LT6604CUFF-10#PBF) |
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