MXB7846 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MXB7846 Datasheet PDF : 24 Pages
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2.375V to 5.25V, 4-Wire Touch-Screen Controller
with Internal Reference and Temperature Sensor
Typical Operating Characteristics (continued)
(VDD = 2.7V, VREF = 2.5VEXTERNAL, fDCLK = 2MHz, fSAMPLE = 125kHz, CLOAD = 50pF, 0.1µF capacitor at REF, TA = +25°C, unless
otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
250
fSAMPLE = 12.5kHz
225
200
175
150
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
SUPPLY CURRENT vs. TEMPERATURE
290
fSAMPLE = 125kHz
285 VDD = 2.7V
280
275
270
265
260
255
250
-40 -25 -10 5 20 35 50 65 80
TEMPERATURE (°C)
SUPPLY CURRENT vs. SAMPLE RATE
250
VDD = 2.7V
225 VREF = 2.5V
200
175
150
125
100
0
25
50
75
100 125
SAMPLE RATE (kHz)
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
300
DCLK = CS = VDD
250
200
SHUTDOWN CURRENT vs. TEMPERATURE
120
1000
DCLK = CS = VDD = 3V
110
100
100
90
MAXIMUM SAMPLE RATE
vs. SUPPLY VOLTAGE
150
80
10
70
100
60
50
2.7 3.2 3.7 4.2 4.7 5.2
SUPPLY VOLTAGE (V)
50
-40 -25 -10 5 20 35 50 65 80
TEMPERATURE (°C)
1
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
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