Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

Preview PDF HTML

WM8948 Datasheet(PDF) 13 Page - Wolfson Microelectronics plc

Part # WM8948
Description  Stereo Low-Power CODEC with Video Buffer and Touch Panel Controller
PDF  189 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8948 Datasheet(HTML) 13 Page - Wolfson Microelectronics plc

Back Button WM8948 Datasheet HTML 9Page - Wolfson Microelectronics plc WM8948 Datasheet HTML 10Page - Wolfson Microelectronics plc WM8948 Datasheet HTML 11Page - Wolfson Microelectronics plc WM8948 Datasheet HTML 12Page - Wolfson Microelectronics plc WM8948 Datasheet HTML 13Page - Wolfson Microelectronics plc WM8948 Datasheet HTML 14Page - Wolfson Microelectronics plc WM8948 Datasheet HTML 15Page - Wolfson Microelectronics plc WM8948 Datasheet HTML 16Page - Wolfson Microelectronics plc WM8948 Datasheet HTML 17Page - Wolfson Microelectronics plc Next Button
Zoom Inzoom in Zoom Outzoom out
 13 / 189 page
background image
Production Data
WM8948
w
PD, May 2011, Rev 4.1
13
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Video Buffer
Maximum output voltage
swing
Vom
f=100kHz, THD=1%
1.10
1.25
1.50
V pk-pk
Voltage gain
Av
VB_GAIN = 1, RREF=187
Ω,
RLOAD=75
Ω, RSOURCE=75Ω
5.08
6
7.94
dB
VB_GAIN = 0, RREF=187
Ω,
RLOAD=75
Ω, RSOURCE=75Ω
-0.92
0
1.94
dB
Gain step size
6
dB
Differential gain
DG
Vin = 1V pk-pk
-2.0
0.3
+2.0
%
Differential phase
DP
Vin = 1V pk-pk
-2.0
0.7
+2.0
Deg
SNR
VSNR
40
60
100
dB
SYNC tip offset above
GND
VB_PD = 0
VB_GAIN = 1
0
40
75
mV
Third order Low Pass
Filter response
(referenced to 100kHz)
RREF=187
Ω, RLOAD=75Ω,
RSOURCE=75
Ω, 0dB gain
2.4MHz
-0.5
0
0.5
dB
5.13MHz
-0.5
-0.2
0.5
dB
9.04MHz
-3.0
-1.6
0
dB
13.32MHz
-11.0
-7.0
-3.0
dB
PSRR (with respect to
LDOVOUT)
100kHz
60
dB
Clocking
MCLK frequency
30Hz
27MHz
Hz
FLL output frequency
2.045
50
MHz
FLL lock time
2
ms
MICBIAS
Bias voltage (changes in
proportion to LDOVOUT)
MICBIAS
MICB_LVL = 0
2.7
V
MICB_LVL = 1
1.95
V
Bias Current source
3
mA
Output noise spectral
density
1kHz to 20kHz
15
nV/
√Hz
PSRR (with respect to
LDOVDD)
217Hz
1kHz
70
85
dB
Analogue Reference Levels
Midrail Reference
Voltage (changes in
proportion to LDOVOUT)
VMID
VMID_REF_SEL = 1
VMID_CTRL=1
1.5
V
Bandgap Reference
BG_VSEL=01010
-10%
1.5
+10%
V
Note:
The maximum LDO output current is the total internal and external load capability; internal circuits of the WM8948 will typically
account for 25mA of this capacity.



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100  ...More


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com