参数资料
型号: MAX1233ETI+
厂商: Maxim Integrated Products
文件页数: 34/44页
文件大小: 0K
描述: IC CNTRLR TOUCH 28-TQFN
其它有关文件: Automotive Product Guide
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
类型: 电阻
触摸面板接口: 4 线
输入数/键: 1,4 x 4 小键盘
分辨率(位): 8,10,12 b
数据接口: MICROWIRE?,QSPI?,串行,SPI?
数据速率/采样率 (SPS,BPS): 50k
电压基准: 外部,内部
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 管件
MAX1233/MAX1234
±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(DVDD = AVDD = +2.7V to +3.6V (MAX1233), DVDD = AVDD = +4.75V to +5.25V (MAX1234), external reference VREF = 2.5V
(MAX1233), VREF = 4.096V (MAX1234); fSCLK = 10MHz, fSAMPLE = 50ksps, 12-bit mode, 0.1F capacitor at REF, TA = -40°C to
+85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DIGITAL-TO-ANALOG CONVERTER
DC ACCURACY
Resolution
8Bits
Integral Linearity Error
INL
(Note 7)
±1.0
LSB
Differential Linearity Error
DNL
No missing codes
±1.0
LSB
Offset Error
VOS
(Note 8)
±1
±25
mV
Offset Error Temperature
Coefficient
1
ppm/
°C
Full-Scale Error
Code = 255, no load
5
%
Full-Scale Error Temperature
Coefficient
Code = 255, no load
±10
ppm/
°C
DYNAMIC PERFORMANCE
Voltage Output Slew Rate
Positive and negative
0.4
V/s
Output Settling Time
0.5LSB; 50k
Ω and 50pF load (Note 9)
20
s
Glitch Impulse
Code 127 to 128
40
nV/s
Wake-Up Time
From shutdown
50
s
DAC OUTPUT
Internal DAC Reference
VREFDAC
(Note 10)
0.85
AVDD
0.9
AVDD
0.95
AVDD
V
Code = 255; 0 to 100A
0.5
Output Load Regulation
Code = 0; 0 to 100A
0.5
LSB
Output Resistance
Power-down mode
1.0
M
Ω
TOUCH-SCREEN CONTROLLER
Y+, X+
7
On-Resistance
Y-, X-
9
Ω
Touch-Detection Internal Pullup
Resistance
X+ to AVDD
1M
Ω
KEYPAD CONTROLLER
Pullup Resistance
C4, C3, C2, C1 (Note 11)
0.5
k
Ω
Pulldown Resistance
R4, R3, R2, R1 (Note 11)
16
k
Ω
DIGITAL INTERFACE
DIGITAL INPUTS (SCLK,
CS, DIN, R_, C_)
Input Voltage Low
VIL
0.3
DVDD
V
Input Voltage High
VIH
0.7
DVDD
V
Input Leakage Current
IL
±0.1
±1A
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