參數(shù)資料
型號(hào)： MXB7846EUE+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 18/24頁(yè)
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
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(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
EXTERNAL REFERENCE (Internal reference disabled, reference applied to REF)
Reference Input Voltage Range
(Note 7)
1
VDD
V
Input Resistance
1G
Ω
fSAMPLE = 125kHz
13
40
fSAMPLE = 12.5kHz
2.5
A
Input Current
fDCLK = 0
±3
BATTERY MONITOR (BAT)
Input Voltage Range
06
V
Input Resistance
During acquisition
10
k
Ω
VREF = 2.5V
±2
Accuracy
Internal reference
±3
%
TEMPERATURE MEASUREMENT
Differential method (Note 8)
1.6
°C
Resolution
Single-conversion method
0.3
°C
Differential method (Note 8)
±2°C
Accuracy
Single-conversion method
±3°C
DIGITAL INPUTS (DCLK, CS, DIN)
Input High Voltage
VIH
VDD 0.7
V
Input Low Voltage
VIL
0.8
V
Input Hysteresis
VHYST
100
mV
Input Leakage Current
IIN
±1
A
Input Capacitance
CIN
15
pF
DIGITAL OUTPUT (DOUT, BUSY)
Output Voltage Low
VOL
ISINK = 250A
0.4
V
Output Voltage High
VOH
ISOURCE = 250A
VDD - 0.5
V
PENIRQ Output Low Voltage
VOL
50k
Ω pullup to VDD
0.8
V
Three-State Leakage Current
IL
CS = VDD
1
±10
A
Three-State Output Capacitance
COUT
CS = VDD
15
pF
POWER REQUIREMENTS
External reference
2.375
5.250
Supply Voltage
VDD
Internal reference
2.70
5.25
V
fSAMPLE = 125ksps
270
650
fSAMPLE = 12.5ksps
220
External
reference
fSAMPLE = 0
150
A
fSAMPLE = 125ksps
780
950
fSAMPLE = 12.5ksps
720
Supply Current
IDD
Internal
reference
fSAMPLE = 0
650
A
Shutdown Supply Current
ISHDN
DCLK = CS = VDD
3A
Power-Supply Rejection Ratio
PSRR
VDD = 2.7V to 3.6V full scale
70
dB
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