AD9877 datasheet(9/36 Pages) AD

Nome de Peças	AD9877

Descrição Electrónicos	Mixed-Signal Front End Set-Top Box, Cable Modem

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Fabricante Electrônico	AD [Analog Devices]

Página de início	http://www.analog.com

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AD9877

Rev. B | Page 9 of 36

Pin No.

Mnemonic

Description

59

DGNDOSC

Oscillator Digital Ground.

62

DVDDOSC

Oscillator Digital 3.3 V Supply.

66

DVDDSD

Σ-Δ Digital 3.3 V Supply.

69

DGNDSD

Σ-Δ Digital Ground.

73

AVDDIQ

8-Bit ADC Analog 3.3 V Supply.

74, 77, 80

AGNDIQ

8-Bit ADC Analog Ground.

83, 88, 91, 96, 99

AGND

12-Bit ADC Analog Ground.

4:15

IF[11:0]

12-Bit ADC Digital Output.

16:19

RxIQ[3:0]

Muxed I and Q ADC Output.

20

RxSYNC

Sync Output, IF, I, and Q ADCs.

23

MCLK

Master Clock Output.

26

TxSYNC

Sync Input for Transmit Port.

27:32

TxIQ[5:0]

Digital Input for Transmit Port.

35, 36

PROFILE[1:0]

Profile Selection Inputs.

37

RESET

Chip Reset Input.

41

SCLK

SPORT Clock.

42

CS

SPORT Chip Select.

43

SDIO

SPORT Data I/O.

44

SDO

SPORT Data Output.

47

PWRDN

Power-Down Transmit Path.

48

REFIO

TxDAC Decoupling (to AGND).

49

FSADJ

DAC Output Adjust (External Resistor).

51, 52

Tx−, Tx+

Tx Path Complementary Outputs.

57

PLLFILT

PLL Loop Filter Connection.

60

XTAL

Crystal Oscillator Inverse Output.

61

OSCIN

Oscillator Clock Input.

63

CA_CLK

Serial Clock to Cable Driver.

64

CA_DATA

Serial Data to Cable Driver.

65

CA_EN

Serial Enable to Cable Driver.

67

SDELTA1

Σ-Δ Output Stream1.

68

SDELTA0

Σ-Δ Output Stream0.

71

REFCLK

Programmable Reference Clock Output.

75, 76, 89, 90, 100

NC

No Connect (Leave Floating).

78, 79

I IN−, I IN+

Differential Input to I ADC.

81, 82

Q IN−, Q IN+

Differential Input to Q ADC.

85

REFB8

8-Bit ADC Decoupling Node.

86

REFT8

8-Bit ADC Decoupling Node.

93

REFB12

12-Bit ADC Decoupling Node.

94

REFT12

12-Bit ADC Decoupling Node.

97, 98

IF12−, IF12+

Differential Input to IF ADC.

Nº de peça semelhante - AD9877

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Analog Devices	AD9877	491Kb / 37P	Set-Top Box, Cable Modem
	AD9877	1Mb / 36P	Mixed-Signal Front End Set-Top Box, Cable Modem REV. B
	AD9877-EB	491Kb / 37P	Set-Top Box, Cable Modem
	AD9877ABS	491Kb / 37P	Set-Top Box, Cable Modem
	AD9877	1Mb / 36P	Mixed-Signal Front End Set-Top Box, Cable Modem REV. B

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Descrição semelhante - AD9877

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