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ADC34RF72 데이터시트(PDF) 65 Page - Texas Instruments

부품명 ADC34RF72
상세설명  ADC32RF72 Dual Channel 1.5GSPS 16-bit RF Sampling ADC
PDF  74 Pages
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제조업체  TI2 [Texas Instruments]
홈페이지  https://www.ti.com
Logo TI2 - Texas Instruments

ADC34RF72 데이터시트(HTML) 65 Page - Texas Instruments

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8.5 Power Supply Recommendations
The device requires 3 different power supply voltages: the internal analog circuitry operate off 1.8V and 1.2V
rails while the digital logic uses a 0.9V rail. Figure 8-11 shows a typical power supply example using a switching
regulator for the digital 0.9V supply and low noise LDOs for the analog supplies. The voltage regulators must be
sequenced for both power up and power down as shown in Section 8.4.
High Current DC/DC
(TPSM82916)
DVDD09
0.9V @ 3A
(typical use case)
Low Noise LDO
(TPS7A9601)
AVDD12
1.2V @ 2A
(typical use case)
Low Noise LDO
(TPS7A94)
AVDDCLK12
1.2V @ 1A
(typical use case)
Low Noise LDO
(TPS7A9601)
AVDD18
1.8V @ 2A
(typical use case)
AVDDGPIO18
Low Noise LDO
(TPS7A9601)
AVDDCLK18
1.8V @ 2A
(typical use case)
Figure 8-11. Power supply rails and regulator examples
Frequency of Signal (MHz)
0.02
0.1
1
-90
-80
-70
-60
-50
AVDDCLK18
AVDDCLK12
AVDD18
AVDD12
Figure 8-12. PSRR
www.ti.com
ADC32RF72
SBASAL2 – NOVEMBER 2025
Copyright © 2025 Texas Instruments Incorporated
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Product Folder Links: ADC32RF72



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