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參數(shù)資料
| 型號： | MXB7846EUE+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CNTRLR TOUCH RES 16TSSOP |
| 其它有關(guān)文件： | Automotive Product Guide |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 溫度傳感器 |
| 輸入類型： | 模擬 |
| 輸出類型： | 數(shù)字 |
| 接口： | 4 線 |
| 電流 - 電源： | 950µA |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-TSSOP |
| 包裝： | 帶卷 (TR) |
MXB7846
2.375V to 5.25V, 4-Wire Touch-Screen Controller
with Internal Reference and Temperature Sensor
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VDD, VBAT, DIN, CS, DCLK to GND ........................-0.3V to +6V
Digital Outputs to GND...............................-0.3V to (VDD + 0.3V)
VREF, X+, X-, Y+, Y-, AUX to GND..............-0.3V to (VDD + 0.3V)
Maximum Current into Any Pin .........................................±50mA
Maximum ESD per IEC-61000-4-2 (per MIL STD-883 HBM)
X+, X-, Y+, Y-, VBAT, AUX ......................................15kV (4kV)
All Other Pins ..........................................................2kV (500V)
Continuous Power Dissipation (TA = +70°C)
16-Pin QSOP (derate 8.30mW/°C above +70°C).........667mW
16-Pin TSSOP (derate 5.70mW/°C above +70°C) .......456mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
ELECTRICAL CHARACTERISTICS
(VDD = 2.7V to 3.6V, VREF = 2.5V, fDCLK = 2MHz (50% duty cycle), fSAMPLE = 125kHz, 12-bit mode, 0.1F capacitor at REF, TA =
TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC ACCURACY (Note 1)
Resolution
12
Bits
No Missing Codes
11
12
Bits
Relative Accuracy
INL
(Note 2)
±1
±2
LSB
Differential Nonlinearity
DNL
±1
LSB
Offset Error
±6
LSB
Gain Error
(Note 3)
±4
LSB
Noise
Including internal reference
70
VRMS
CONVERSION RATE
Conversion Time
tCONV
12 clock cycles (Note 4)
6
s
Track/Hold Acquisition Time
tACQ
3 clock cycles
1.5
s
Throughput Rate
fSAMPLE
16 clock conversion
125
kHz
Multiplexer Settling Time
500
ns
Aperture Delay
30
ns
Aperture Jitter
100
ps
Channel-to-Channel Isolation
VIN = 2.5VP-P at 50kHz
100
dB
Serial Clock Frequency
fDCLK
0.1
2.0
MHz
Duty Cycle
40
60
%
ANALOG INPUT (X+, X-, Y+, Y-, AUX)
Input Voltage Range
0VREF
V
Input Capacitance
25
pF
Input Leakage Current
On/off leakage, VIN = 0 to VDD
±0.1
±1
A
SWITCH DRIVERS
Y+, X+
7
On-Resistance (Note 5)
Y-, X-
9
Ω
INTERNAL REFERENCE
Reference Output Voltage
VREF
VDD = 2.7V to 5.25V, TA = +25°C
2.45
2.50
2.55
V
REF Output Tempco
TCVREF
50
ppm°/C
REF Short-Circuit Current
18
mA
REF Output Impedance
250
Ω
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