mxb7843 Maxim Integrated Products, Inc., mxb7843 Datasheet - Page 3

• Manufacturer Part Number: mxb7843
• Description: Mxb7843 2.375v To 5.25v, 4-wire Touch-screen Controller
• Manufacturer: Maxim Integrated Products, Inc.

ELECTRICAL CHARACTERISTICS (continued)
(V
T
MIN
REFERENCE (Reference applied to REF)
Reference Input Voltage Range
Input Resistance
Input Current
DIGITAL INPUTS (DCLK, CS, DIN)
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Leakage Current
Input Capacitance
DIGITAL OUTPUT (DOUT, BUSY)
Output Voltage Low
Output Voltage High
PENIRQ Output Low Voltage
Three-State Leakage Current
Three-State Output Capacitance
POWER REQUIREMENTS
Supply Voltage
Supply Current
Shutdown Supply Current
Power-Supply Rejection Ratio
DD
to T
= 2.7V to 3.6V, V
MAX
PARAMETER
, unless otherwise noted. Typical values are at T
_______________________________________________________________________________________
REF
= 2.5V, f
2.375V to 5.25V, 4-Wire Touch-Screen
DCLK
SYM B O L
V
I
C
PSRR
SHDN
V
V
V
V
V
HYST
C
I
V
I
OUT
DD
OH
I
IN
OL
OL
DD
= 2MHz (50% duty cycle), f
IH
IL
IN
L
(Note 6)
f
f
f
I
I
50kΩ pullup to V
CS = V
CS = V
f
f
f
DCLK = CS = V
V
SAMPLE
SAMPLE
DCLK
SINK
SOURCE
SAMPLE
SAMPLE
SAMPLE
DD
= 2.7V to 3.6V full scale
= 250µA
= 0
DD
DD
= 125kHz
= 12.5kHz
= 125ksps
= 12.5ksps
= 0
= 250µA
A
= +25°C.)
CONDITIONS
DD
DD
SAMPLE
= 125kHz, 12-bit mode, 0.1µF capacitor at REF, T
V
2.375
✕
MIN
V
0.5
DD
1
DD
0.7
-
Controller
TYP
100
270
220
150
2.5
13
15
15
70
5
1
5.250
MAX
V
±10
650
0.8
0.4
0.8
±3
±1
40
DD
3
UNITS
GΩ
mV
µA
µA
pF
µA
pF
µA
µA
dB
V
V
V
V
V
V
V
A
3
=