| 数据搜索系统,热门电子元器件搜索 |
|
ADP5070AREZ-R7 数据表(PDF) 25 Page - Analog Devices |
|
|
|||||||||||||||||||||||||||||
ADP5070AREZ-R7 数据表(HTML) 25 Page - Analog Devices |
|
25 / 28 page ![]() ADP5070 Data Sheet Rev. A | Page 24 of 27 SUPER LOW NOISE WITH OPTIONAL LDOS Low dropout regulators (LDOs) can be added to the ADP5070 output to provide super low noise supplies for high performance ADCs, digital-to-analog converters (DACs), and other precision applications. Table 12 shows recommended companion devices, and Figure 48 shows a typical application schematic for ±15 V generation from a +5 V supply. ADP5070 SS INBK SW1 COMP1 RC1 5.6kΩ CC1 47nF COMP2 RC2 12kΩ CC2 47nF CVREG 1µF VREG EN1 SYNC/FREQ SLEW SEQ EN2 AGND PVIN1 PVIN2 PVINSYS CIN1 10µF VIN +5V FB1 D1 DFLS240 L1 3.3µH L2 6.8µH RFB1 113kΩ RFT1 2.15MΩ +16V SW2 PGND FB2 VREF D2 DFLS240 RFB2 100kΩ –16V VPOS = +15V VNEG = –15V CVREF 1µF COUT1 10µF COUT2 10µF RFT2 2.1MΩ EN GND CSS3 1nF VIN VOUT ADJ (5V) SS ADP7142 RFB3 10kΩ RFT3 20kΩ CNR3 1µF COUT3 2.2µF RNR3 1kΩ EN GND VIN VOUT ADJ ADP7182 RFB4 59kΩ RFT4 52.3kΩ CNR4 47µF COUT4 2.2µF RNR4 5.9kΩ CIN3 1µF CIN4 2.2µF Figure 48. Super Low Noise ±15 V Generation with Post Regulation by the ADP7142 (+40 V, +200 mA, Low Noise LDO) and ADP7182 (−28 V, −200 mA, Low Noise LDO) Table 12. Recommended LDOs for Super Low Noise Operation Parameter ADP7102 ADP7104 ADP7105 ADP7118 ADP7142 ADP7182 VIN Range 3.3 V to 20 V 3.3 V to 20 V 3.3 V to 20 V 2.7 V to 20 V 2.7 V to 40 V −2.7 V to −28 V Fixed VOUT 1.5 V to 9 V 1.5 V to 9 V 1.8 V, 3.3 V, 5 V 1.2 V to 5 V 1.2 V to 5 V −1.8 V to −5 V Adjustable VOUT 1.22 V to 19 V 1.22 V to 19 V 1.22 V to 19 V 1.2 V to 19 V 1.2 V to 39 V −1.22 V to−27 V IOUT 300 mA 500 mA 500 mA 200 mA 200 mA −200 mA IQ at No Load 400 µA 400 µA 400 µA 50 µA 50 µA −33 µA ISHDN Typical 40 µA 40 µA 40 µA 2 µA 2 µA −2 µA Soft Start No No Yes Yes Yes No PGOOD Yes Yes Yes No No No Noise (Fixed), 10 Hz to 100 kHz 15 µV rms 15 µV rms 15 µV rms 11 µV rms 11 µV rms 18 µV rms PSRR (100 kHz) 60 dB 60 dB 60 dB 68 dB 68 dB 45 dB PSRR (1 MHz) 40 dB 40 dB 40 dB 50 dB 50 dB 45 dB Package 8-lead LFCSP, 8-lead SOIC 8-lead LFCSP, 8-lead SOIC 8-lead LFCSP, 8-lead SOIC 6-lead LFCSP, 8-lead SOIC, 5-lead TSOT 6-lead LFCSP, 8-lead SOIC, 5-lead TSOT 6-lead LFCSP, 8-lead LFCSP, 5-lead TSOT |
|
|
链接网址 |
| ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 数据表链接 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |