Datasheet > ADC34RF55

ADC34RF55

更新时间： 2024-04-09 18:59:39

品牌	Logo	应用领域
德州仪器 - TI		射频
页数	文件大小	规格书
107页	4543K
描述
四通道、14 位、3GSPS、低噪声频谱密度 (NSD)、射频采样 ADC

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ADC34RF55 数据手册

ADC34RF55

ZHCSTP2 –NOVEMBER 2023

www.ti.com.cn

表4-1. Pin Functions （续）

TYPE

DESCRIPTION

NAME

NO.

CLKP

Differential sampling clock input. 100 Ωdifferential internal termination.

CLKM

SYSREFP

SYSREFM

CONTROL

Differential external synchronization input.

Hardware reset. Active low. This pin has an internal 21 kΩpull-up resistor to

AVDD18.

RESETb

Serial interface enable. Active low. This pin has an internal 21 kΩpull-up resistor to

AVDD18.

SEN

SCLK

SDIO

Serial interface clock input. This pin has an internal 21 kΩpull-down resistor.

Serial interface data input and output. This pin has an internal 21 kΩpull-down

resistor.

I/O

GPIO control pin. This pin is configured through SPI interface for power down or

NCO control function.

GPIO1

GPIO2

SPISEL

I/O

GPIO control pin. This pin is configured through SPI interface for power down or

NCO control function.

Determines the functional of the SPI interface pins: either normal SPI for register

programming or fast access to NCO selection only for fast frequency hopping.

DIGITAL DATA INTERFACE

DOUT0P

DOUT0M

DOUT1P

DOUT1M

DOUT2P

DOUT2M

DOUT3P

DOUT3M

DOUT4P

DOUT4M

DOUT5P

DOUT5M

DOUT6P

DOUT6M

DOUT7P

DOUT7M

POWER SUPPLY

AVDD18

JESD204B high-speed serial data output interface pins for channels A to D.

Output lanes can be reordered using the output MUX.

17,20,29,32, 58

13,16,21,33, 36

Analog 1.8-V power supply

Analog 1.2-V power supply

AVDD12

Clock 1.2-V power supply. Very sensitive to power supply noise. Directly impacts

close in aperture phase noise.

CLKVDD

DVDD

3,7,9,40,42,

46,54,59

Digital 1.2-V power supply

AGND

12,37

Analog ground, shorted to thermal pad.

Clock ground.

CLKGND

DGND

6,8,41,43,51,62

Digital ground.

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English Data Sheet: SBAS988

1 2 345 6 7...107

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