Electronic Components Datasheet Search
  New Zealand  ▼
ALLDATASHEET.CO.NZ

X  

Preview PDF HTML

WM9705 Datasheet(PDF) 8 Page - Wolfson Microelectronics plc

Part # WM9705
Description  Multimedia AC??7 CODEC with Integrated Touch Screen Controller
PDF  55 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9705 Datasheet(HTML) 8 Page - Wolfson Microelectronics plc

Back Button WM9705 Datasheet HTML 4Page - Wolfson Microelectronics plc WM9705 Datasheet HTML 5Page - Wolfson Microelectronics plc WM9705 Datasheet HTML 6Page - Wolfson Microelectronics plc WM9705 Datasheet HTML 7Page - Wolfson Microelectronics plc WM9705 Datasheet HTML 8Page - Wolfson Microelectronics plc WM9705 Datasheet HTML 9Page - Wolfson Microelectronics plc WM9705 Datasheet HTML 10Page - Wolfson Microelectronics plc WM9705 Datasheet HTML 11Page - Wolfson Microelectronics plc WM9705 Datasheet HTML 12Page - Wolfson Microelectronics plc Next Button
Zoom Inzoom in Zoom Outzoom out
 8 / 55 page
background image
WM9705
Production Data
w
PD Rev 4.4 August 2006
8
Electrical characteristics
Test Characteristics:
AVDD = 3.3V, DVDD = 3.3V, 48kHz audio sampling, TA = 25
oC, unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital Logic Levels (DVDD = 3.3V)
Input LOW level
VIL
DGND - 0.3
0.8
V
Input HIGH level
VIH
2.2
DVDD + 0.3
V
Output LOW
VOL
I Load = 2mA
0.10 x DVDD
V
Output HIGH
VOH
I Load = -2mA
0.90 x DVDD
V
Analogue Audio I/O Levels (Input Signals on any audio inputs, Outputs on LINEOUT L, R and MONO and HPOUT L,R)
Input level
Minimum input
impedance = 10k
AGND
-100mV
AVDD
+100mV
V
Output level to LINEOUT L,R
Into 10k
Ω load
AGND
+300mV
Near rail to
rail
AVDD
-300mV
V
Output level to HPOUT L,
HPOUTR and MONOOUT
Into 16
Ω load
AGND
+300mV
Near rail to
rail
AVDD
-300mV
V
Reference Levels
Reference input/output
CAP2
0.47 AVDD
0.50 AVDD
0.53 AVDD
V
CAP2 impedance
75
k
Ω
Mixer reference
VREF
Buffered
CAP2
V
MIC reference
VREFOUT
Buffered
CAP2
V
MIDBUFF current source
(pins VREF and VREFOUT)
AVDD = 3.3V
5
10
mA
MIDBUFF current sink
(pins VREF and VREFOUT)
AVDD = 3.3V
-5
-10
mA
AUDIO DAC to Line-out (10k
Ω load)
SNR A-weighted (Note 2)
85
91
dB
Full scale output voltage
VREF = 1.65V
0.7
Vrms
Total Harmonic Distortion +
Noise
THD+N
-3dBfs input
-84
0.006
-74
0.02
dB
%
PSRR
20 to 20kHz, without
supply decoupling
-40
dB
AUDIO ADC
ADC input for full scale output
VREF = 1.65V
0.7
Vrms
Signal to Noise Ratio
A-weighted (Note 2)
SNR
80
86
dBfs
Total Harmonic Distortion+Noise
THD+N
-6dBfs input
-79
-72
dB
Power Supply Rejection Ratio
PSRR
20 to 20kHz, without
supply decoupling
-40
dB
Digital Filter Characteristics
Frequency response
20
19,200
Hz
Transition band
19,200
28,800
Hz
Stop band
28,800
Hz
ADC
-74
Stop band attenuation
DAC
-40
dB



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


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