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參數(shù)資料
| 型號(hào)： | MAX1234EGI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | 【15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, QCC28 |
| 封裝： | 5 X 5 MM, 0.80 MM HEIGHT, QFN-28 |
| 文件頁(yè)數(shù)： | 11/44頁(yè) |
| 文件大?。?/td> | 706K |
| 代理商： | MAX1234EGI |
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M
±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
______________________________________________________________________________________
11
Typical Operating Characteristics (continued)
(AV
DD
= DV
DD
= 3V (MAX1233) or 5V (MAX1234), external V
REF
= +2.5V (MAX1233), external V
REF
= +4.096V (MAX1234), f
SCLK
=
10MHz (50% duty cycle), f
SAMPLE
= 20ksps, C
LOAD
= 50pF, 0.1μF capacitor at REF, T
A
= +25
°
C, unless otherwise noted.)
ADC REFERENCE SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
M
AV
DD
(V)
S
μ
A
4.7
4.2
3.7
3.2
600
650
700
750
550
2.7
5.2
REFERENCE SUPPLY CURRENT
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
S
μ
A
600
650
700
750
550
80
65
-25
-10
5
35
20
50
-40
PIN
NAME
FUNCTION
1
DV
DD
Positive Digital Supply Voltage, +2.7V to +3.6V for MAX1233, +4.75V to +5.25V for MAX1234. Bypass
with a 0.1μF capacitor. Must be within 300mV of AV
DD
.
2
AV
DD
Positive Analog Supply Voltage, +2.7V to +3.6V for MAX1233, +4.75V to +5.25V for MAX1234.
Bypass with a 0.1μF capacitor. Must be within 300mV of DV
DD
.
X+ Position Input
Y+ Position Input
X- Position Input
Y- Position Input
Analog and Digital Ground
Battery Monitoring Input 1. Measures battery voltages up to 6V.
Battery Monitoring Input 2. Measures battery voltages up to 6V.
Auxiliary Analog Input 1 to ADC. Measures analog voltages from zero to V
REF
.
Auxiliary Analog Input 2 to ADC. Measures analog voltages from zero to V
REF
.
3*
4*
5*
6*
7
8*
9*
10*
11*
X+
Y+
X-
Y-
GND
BAT1
BAT2
AUX1
AUX2
12
REF
Voltage Reference Output/Input. Reference voltage for analog-to-digital conversion. In internal
reference mode, the reference buffer provides a 2.5V or 1.0V nominal output. In external reference
mode, apply a reference voltage between 1.0V and AV
DD
. Bypass REF to GND with a 0.1μF
capacitor in the external reference mode only.
13
14
15
16
17
18
DACOUT
R4
R3
R2
R1
C1
DAC Voltage Output; 0.9
×
AV
DD
Full Scale
Keypad Row 4. Can be reconfigured as GPIO3.
Keypad Row 3. Can be reconfigured as GPIO2.
Keypad Row 2. Can be reconfigured as GPIO1.
Keypad Row 1. Can be reconfigured as GPIO0.
Keypad Column 1. Can be reconfigured as GPIO4.
Pin Description
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1239 | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
| MAX1239LEEE | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
| MAX1239MEEE | Circular Connector; No. of Contacts:128; Series:D38999; Body Material:Metal; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:25-35 |
| MAX1238LEEE | DIODE ZENER DUAL COMMON-CATHODE 300mW 10Vz 5mA-Izt 0.06 0.1uA-Ir 7.5 SOT-23 3K/REEL |
| MAX1237KEUA | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1234EGI+ | 制造商:Maxim Integrated Products 功能描述:TOUCH SCREEN CONTROLLER 28-PIN QFN EP - Rail/Tube |
| MAX1234EGI-T | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
| MAX1234ETI+ | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4Ch uWire QSPI/SPI Touch Interface RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
| MAX1234ETI+T | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 4Ch uWire QSPI/SPI Touch Interface RoHS:否 制造商:Microchip Technology 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
| MAX1234EVC16 | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX1233/34 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
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