NXP Semiconductors
DAC1003D160
Dual 10 bits DAC, up to 160 MHz, 2 x interpolation
20
output
(dB)
−20
−60
−100
−140
014aaa535
0.6
normalized output
0.4
0.2
0
014aaa536
−180
0
0.2
0.4
0.6
0.8
1.0
normalized frequency fo/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
DAC1003D160_2
Product data sheet
Rev. 02 — 13 August 2008
© NXP B.V. 2008. All rights reserved.
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