- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄361881 > WM9712LEFL (Wolfson Microelectronics) AC97 Audio and Touchpanel CODEC PDF資料下載
參數(shù)資料
| 型號(hào)： | WM9712LEFL |
| 廠商： | Wolfson Microelectronics |
| 元件分類： | Codec |
| 英文描述： | AC97 Audio and Touchpanel CODEC |
| 中文描述： | AC97音頻編解碼器和觸摸屏 |
| 文件頁數(shù)： | 9/78頁 |
| 文件大小： | 689K |
| 代理商： | WM9712LEFL |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁當(dāng)前第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁
Production Data
WM9712L
w
PD Rev 4.0 December 2003
9
TOUCHPANEL AND AUXILIARY ADC
Test Conditions
DBVDD=3.3V, DCVDD = 3.3V, AVDD = TPVDD = 3.3V, T
A
= +25
o
C, MCLK = 24.576 MHz, unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
Input Pins X+, X-, Y+, Y-, WIPER/AUX4, COMP1/AUX1, COMP2/AUX2 and BMON/AUX3
Input Voltage
Input leakage current
AUX pin not selected as
AUX ADC input
ADC Resolution
Differential Non-Linearity Error
DNL
Integral Non-Linearity Error
INL
Offset Error
Gain Error
Power Supply Rejection
PSRR
Throughput Rate
DEL = 1111
(zero settling time)
Settling Time (programmable)
MCLK = 24.576MHz
Conversion Time
Note: touch pressure
measurements require
two conversions
Switch matrix resistance
Programmable Pull-up resistor
R
PU
RPU = 000001
Pen down detector threshold
PIL = 1
Pressure measurement current
I
P
PIL = 0
BMON/AUX3 (pin 31 only)
AVDD = 3.3V
Input Range
AVDD = 1.8V
Scaling
during measurement
Input Resistance (Note 1)
average over time
MIN
TYP
MAX
UNIT
AGND
AVDD
V
nA
<10
12
bits
LSB
LSB
LSB
LSB
dB
kHz
±
0.25
50
±
1
±
2
±
4
±
6
48
0
6
ms
μ
s
20.8
12
63
k
V
μ
A
55
70
VDD/2
400
200
AGND
AGND
-3%
5
V
V
k
3.3
+3%
1/3
30
30 /
duty cycle
Note:
1. Current only flows into pin 31 during a measurement. At all other times, BMON/AUX3 is effectively an open circuit.
COMPARATORS
Test Conditions
AVDD = 3.3V, T
A
= +25
o
C, unless otherwise stated.
PARAMETER
COMP1/AUX1 and COMP2/AUX2 (pins 29, 30)
Input Voltage
Input leakage current
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
AGND
AVDD
V
nA
pin not selected as AUX
ADC input
<10
Comparator Input Offset
(COMP1, COMP2 only)
COMP2 delay (COMP2 only)
-50
+50
mV
24.576MHz crystal
0
10.9
s
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| WM9712LEFT | AC97 Audio and Touchpanel CODEC |
| WM9712LEFV | AC97 Audio and Touchpanel CODEC |
| WM9712LSEFL | AC97 Audio and Touchpanel CODEC |
| WM9712LSEFT | AC97 Audio and Touchpanel CODEC |
| WM9712LSEFV | AC97 Audio and Touchpanel CODEC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WM9712LEFL/RV | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC |
| WM9712LEFL/V | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC |
| WM9712LEFT | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC |
| WM9712LEFT/RV | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC |
| WM9712LEFV | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。