TDA9935 查看數據表（PDF） - NXP Semiconductors.

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TDA9935

Dual 14-bit, up to 160 Msample/s, 2 × interpolating Digital-to-Analog Converter (DAC)

NXP Semiconductors. 

NXP Semiconductors

TDA9935

Dual 14-bit, up to 160 Msample/s, 2 × interpolating DAC

20

output

(dB)

−20

−60

−100

−140

001aab122

0.6

normalized output

0.4

0.2

0

001aab123

−180

0

0.2

0.4

0.6

0.8

1.0

normalized frequency (fOUT/fCLK)

Fig 6. FIR filter frequency response

−0.2

0

10

20

30

40

t (sample)

Fig 7. FIR filter impulse response

Table 7. Interpolation FIR filter coefficient

Coefficient

Coefficient

H(1)

H(43)

H(2)

H(42)

H(3)

H(41)

H(4)

H(40)

H(5)

H(39)

H(6)

H(38)

H(7)

H(37)

H(8)

H(36)

H(9)

H(35)

H(10)

H(34)

H(11)

H(33)

H(12)

H(32)

H(13)

H(31)

H(14)

H(30)

H(15)

H(29)

H(16)

H(28)

H(17)

H(27)

H(18)

H(26)

H(19)

H(25)

H(20)

H(24)

H(21)

H(23)

H(22)

-

Value

10

0

−31

0

69

0

−138

0

248

0

−419

0

678

0

−1 083

0

1 776

0

−3 282

0

10 364

16 384

TDA9935_4

Product data sheet

Rev. 04 — 17 September 2007

© NXP B.V. 2007. All rights reserved.

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