AK4182A Datasheet, PDF (1/18 Pages) Asahi Kasei Microsystems – Touch Screen Controller

ASAHI KASEI


AK4182A




ಛ௕

„ ஞ࣍ൺֱܕ12bit ADC಺ଂ (S/Hճ࿏಺ଂ)
„ ௿ిѹಈ࡞ (VCC = 2.2Vʙ3.6V)
„ ௿ిѹσΟδλϧI/F(1.5VʙVCC)
„ ̐ઢࣜΠϯλϑΣʔε
„ αϯϓϦϯάप೾਺ 125kHz (max)
ج „४ిѹ಺ଂ (2.5V)
„ චѹଌఆ
„ Թ౓ηϯα಺ଂ
„ όοςϦిѹଌఆ
„ ௿ফඅిྲྀ (260μA)
„ Package
16pin QFN


[AK4182A]


λονεΫϦʔϯίϯτϩʔϥ
֓ཁ

AK4182A͸ɺஞ࣍ൺֱܕ12ϏοτA/DίϯόʔλΛ಺ଂͨ͠఍
߅ບํࣜ(4ઢࣜରԠ)λονεΫϦʔϯίϯτϩʔϥͰ͢ɻ
AK4182A͸ɺ2.2V͔Βಈ࡞͠ɺͭ׌αϯϓϦϯάप೾਺ͱͯ͠
125kHz·Ͱಈ࡞ՄೳͰ͢ɻ௿ిѹͰಈ࡞͢ΔϚΠΫϩϓϩηο
αͱͷΠϯλϑΣʔεΛ༰қʹ͢ΔͨΊɺσΟδλϧI/F͸1.5V
͔Βಈ࡞ՄೳͰ͢ɻ
X࣠/Y࣠ͷҐஔݕग़ʹՃ͑චѹݕग़΋ՄೳͰ͢ɻج४ిѹݯΛ಺
ଂ͍ͯ͠·͢ɻ5V·ͰͷόοςϦిѹΛ௚઀ଌఆ͢Δ͜ͱ΋Մ
ೳͰ͢ɻ·ͨɺԹ౓ηϯαΛ಺ଂ͍ͯ͠ΔͨΊɺԹ౓ଌఆ΋Մ
ೳͰ͢ɻ
ύοέʔδ͸ɺখܕͷ16ϐϯQFNͰ͢ɻ


XP
YP
XN
YN
IN
VBAT
R1
R2
Internal VREF(2.5V)
VREF+ VREF-
AIN+
12bit
AIN-
ADC
(SAR type)
Control
Logic
Level
Shifter
DCLK
CSN
DOUT
DIN
BUSY
IOVDD
PENIRQN
PEN
INTERRUPT
Temp.
Sensor
VCC


ϒϩοΫਤ

VREF
GND
MS0482-J-01




2007/12