SAA7108AE Datasheet, PDF (72/208 Pages) NXP Semiconductors – HD-CODEC

NXP Semiconductors
SAA7108AE; SAA7109AE
HD-CODEC
6
V3
(dB) 0
−3
−6
−9
−12
−15
−18
−21
−24
−27
−30
−33
−36
−39
−42
0
(5)
(4)
(3)
(2)
mhb545
(1)
0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5
f_sig/f_clock
XC2_1 = 0; Zero’s at f = n × -_X----_A----_C---¹-_L-----₊-----₁- with XACL = (1), (2), (3), (4) or (5)
Fig 38. Examples for prescaler filter characteristics: effect of increasing XACL[5:0]
6
V3
(dB) 0
−3
−6
−9
−12
−15
−18
−21
(1) XC2_1 = 0 and XACL[5:0] = 1.
−24
(2) XC2_1 = 1 and XACL[5:0] = 2.
−27
(3) XC2_1 = 0 and XACL[5:0] = 3.
(4) XC2_1 = 1 and XACL[5:0] = 4.
−30
(5) XC2_1 = 0 and XACL[5:0] = 7.
−33
(6) XC2_1 = 1 and XACL[5:0] = 8.
−36
−39
−42
0
(6) (5)
(4)
(3)
3 dB at 0.25
6 dB at 0.33
(2)
(1)
mhb546
0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5
f_sig/f_clock
Fig 39. Examples for prescaler filter characteristics: setting XC2_1
SAA7108AE_SAA7109AE_3
Product data sheet
Rev. 03 — 6 February 2007
© NXP B.V. 2007. All rights reserved.
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