參數(shù)資料
型號: P95020NQG8
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 電源管理
英文描述: 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC132
封裝: 10 X 10 MM, 0.85 MM HEIGHT, QFN-132
文件頁數(shù): 20/169頁
文件大?。?/td> 4297K
代理商: P95020NQG8
IDTP95020
Product Datasheet
September 2, 2011 Revision 1.3 Final
116
2011 Integrated Device Technology, Inc.
ADC and TSC Module – Electrical Characteristics
Unless otherwise specified, typical values at TA = 25°C, VSYS = 3.8V, TA = 0°C to +70°C.
Table 178. ADC and TSC Module Electrical Characteristics
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
VDD
Input Voltage
3
5.5
V
IDD_TSC Touch Screen Controller Supply Current
Excluding Sensor Current
3
mA
RES
ADC Resolution
12
bits
DNL
ADC differential non-linearity
-1
1
LSB
INL
ADC integral non linearity
-2
2
LSB
Refvol
Internal Reference Voltage Level Accuracy [Note 1]
2.475
2.5
2.525
V
Refacc
Internal Reference Voltage Accuracy
2
%
Rsw
Sensor Driver Switch resistance
20
Ω
RBAT
VBAT Battery Input Resistance
Divider End to End Resistance
67.6
κΩ
BATR
Battery Resistive Divider Ratio
R1/(R1+R2)
0.5925
EBATR
Battery Resistive Divider Error
1
%
Note 1: May be subject to the constraints of power supply voltage and battery voltage level.
ADC and TSC Module – Pin Definitions
Table 179. ADC and TSC Module Pin Definitions
PIN # PIN_ID
DESCRIPTION
A3
ADC1 / GPIO6
ADC1 : X- pin to 4-wire resistive touch-screen
/ Analog general purpose auxiliary input channel 2
GPIO 6: General Purpose I/O # 6
B1
ADC3 / GPIO7
ADC3 : Y- pin to 4-wire resistive touch-screen
/ Analog general purpose auxiliary input channel 4
GPIO 7: General Purpose I/O # 7
B2
ADC2 / GPIO8
ADC2 : Y+ pin to 4-wire resistive touch-screen
/ Analog general purpose auxiliary input channel 3
GPIO 8: General Purpose I/O # 8
A4
ADC0 / GPIO9 /MCLK_IN ADC0 : X+ pin to 4-wire resistive touch-screen
/ Analog general purpose auxiliary input channel 1
GPIO 9: General Purpose I/O # 9
MCLK_IN : Master Clock Input
B57
ADCGND / GND_BAT
ADCGND and GND_BAT: Shared analog ground pin for
ADC and battery charger.
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