AD9772 datasheet(5/30 Pages) AD

Numer części	AD9772

Szczegółowy opis	14-Bit, 150 MSPS TxDAC??with 2x Interpolation Filter

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Producent	AD [Analog Devices]

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5 / 30 page

REV. 0

–5–

AD9772

DIGITAL FILTER SPECIFICATIONS (T

MIN to TMAX, AVDD = +3 V, CLKVDD = +3 V, PLLVDD = 0 V, DVDD = +3 V,

IOUTFS = 20 mA, Differential Transformer Coupled Output, 50

Doubly Terminated, unless otherwise noted)

Parameter

Min

Typ

Max

Units

MAXIMUM INPUT DATA RATE (fDATA)

150

MSPS

DIGITAL FILTER CHARACTERISTICS

Passband Width1: 0.005 dB

0.401

fOUT/fDATA

Passband Width: 0.01 dB

0.404

fOUT/fDATA

Passband Width: 0.1 dB

0.422

fOUT/fDATA

Passband Width: –3 dB

0.479

fOUT/fDATA

LINEAR PHASE (FIR IMPLEMENTATION)

STOPBAND REJECTION

0.606 fCLOCK to 1.394 fCLOCK

73

dB

GROUP DELAY2

21

Input Clocks

IMPULSE RESPONSE DURATION

–40 dB

36

Input Clocks

–60 dB

42

Input Clocks

NOTES

1Excludes sin(x)/x characteristic of DAC.

2Defined as the number of data clock cycles between impulse input and peak of output response.

Specifications subject to change without notice.

FREQUENCY – DC TO fDATA

0

–140

0

1

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

–20

–40

–60

–80

–100

–120

Figure 2a. FIR Filter Frequency Response—Baseband Mode

TIME – Samples

1

–0.4

0

5

10

15

20

25

30

35

40

45

0.8

0.6

0.4

0.2

0

–0.2

Figure 2b. FIR Filter Impulse Response—Baseband Mode

Table I. Integer Filter Coefficients for Interpolation Filter

(43-Tap Half-Band FIR Filter)

Lower

Upper

Integer

Coefficient

Value

H(1)

H(43)

10

H(2)

H(42)

0

H(3)

H(41)

–31

H(4)

H(40)

0

H(5)

H(39)

69

H(6)

H(38)

0

H(7)

H(37)

–138

H(8)

H(36)

0

H(9)

H(35)

248

H(10)

H(34)

0

H(11)

H(33)

–419

H(12)

H(32)

0

H(13)

H(31)

678

H(14)

H(30)

0

H(15)

H(29)

–1083

H(16)

H(28)

0

H(17)

H(27)

1776

H(18)

H(26)

0

H(19)

H(25)

–3282

H(20)

H(24)

0

H(21)

H(23)

10364

H(22)

16384

Podobny numer części - AD9772

Producent	Numer części	Arkusz danych	Szczegółowy opis
Analog Devices	AD9772	389Kb / 30P	14 BIT 150 MSPS T DAC WITH 2 INTERPOLATION FILTER REV. 0
	AD9772A	596Kb / 32P	14-Bit, 160 MSPS TxDAC with 2x Interpolation Filter REV. A
	AD9772A	881Kb / 40P	14-Bit, 160 MSPS TxDAC with 2횞 Interpolation Filter Rev. C
	AD9772A-EB	881Kb / 40P	14-Bit, 160 MSPS TxDAC with 2횞 Interpolation Filter Rev. C
	AD9772AAST	596Kb / 32P	14-Bit, 160 MSPS TxDAC with 2x Interpolation Filter REV. A

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Podobny opis - AD9772

Producent	Numer części	Arkusz danych	Szczegółowy opis
Analog Devices	AD9772A	596Kb / 32P	14-Bit, 160 MSPS TxDAC with 2x Interpolation Filter REV. A
	AD9772A	881Kb / 40P	14-Bit, 160 MSPS TxDAC with 2횞 Interpolation Filter Rev. C
	AD9774	313Kb / 24P	14-Bit, 32 MSPS TxDAC??with 4x Interpolation Filters REV. B
	AD9774ASZ	302Kb / 24P	14-Bit, 32 MSPS TxDAC??with 43 Interpolation Filters REV. B
	AD9761	246Kb / 23P	Dual 10-Bit TxDAC??with 2x Interpolation Filters REV. A
	AD9772	389Kb / 30P	14 BIT 150 MSPS T DAC WITH 2 INTERPOLATION FILTER REV. 0
	AD9784	1Mb / 52P	14-Bit, 200 MSPS/500 MSPS TxDAC with 2횞/4횞/8횞 Interpolation and Signal Processing Rev. PrC
	AD9784	1Mb / 52P	14-Bit, 200 MSPS/500 MSPS TxDAC Rev. PrC
	AD9786	1Mb / 60P	16-Bit, 200 MSPS/500 MSPS TxDAC with 2횞/4횞/8횞 Interpolation and Signal Processing REV. 0
	AD9775	5Mb / 48P	14-Bit, 160 MSPS 2X/4X/8X Interpolating Dual TxDAC D/A Converter REV. 0

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