WM8985GEFL Wolfson Microelectronics, WM8985GEFL Datasheet - Page 40
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WM8985GEFL
Manufacturer Part Number
WM8985GEFL
Description
Audio CODECs Multimedia CODEC with Class D HP
Manufacturer
Wolfson Microelectronics
Datasheet
1.WM8985GEFL.pdf
(121 pages)
Specifications of WM8985GEFL
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
QFN-32
Minimum Operating Temperature
- 25 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
WM8985GEFL/R
Manufacturer:
TAIYO
Quantity:
4 023
Part Number:
WM8985GEFL/R
Manufacturer:
WOLFSON
Quantity:
20 000
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WM8985
w
Table 16 High Pass Filter Cut-off Frequencies (HPFAPP=1)
Note that the High Pass filter values (when HPFAPP=1) are calculated on the assumption that the
SR register bits are set correctly for the actual sample rate as shown in Table 16. Sampling rate
(SR) is enabled by register bits R7[1:3].
Register 14(0Eh) bits [5:4] (HPFCUT) are used to control the high pass filter cut-off in applications
mode and also the PLL output clock division ratio (OPCLKDIV).
HPFCUT
[2:0]
000
001
010
011
100
101
110
111
102
131
163
204
261
327
408
82
8
SR=101/100
11.025
113
141
180
225
281
360
450
563
122
153
196
245
306
392
490
612
12
102
131
163
204
261
327
408
16
82
SR=011/010
fs (kHz)
22.05
113
141
180
225
281
360
450
563
122
153
196
245
306
392
490
612
24
102
131
163
204
261
327
408
32
82
SR=001/000
44.1
113
141
180
225
281
360
450
563
PD, Rev 4.6, July 2009
Production Data
122
153
196
245
306
392
490
612
48
40
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