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参数资料
| 型号： | APT7843 |
| 厂商： | Anpec Electronics Corporation |
| 英文描述： | Touch Screen Controller |
| 中文描述： | 触摸屏控制器 |
| 文件页数： | 12/18页 |
| 文件大小： | 622K |
| 代理商： | APT7843 |
Copyright ANPEC Electronics Corp.
Rev. A.8 - Apr., 2002
APT7843
www.anpec.com.tw
3
Electrical Characteristics
At T
A = -40°C to 85°C , VCC = +2.7V , VREF = +2.5V , fSAMPLE = 125kHz , fCLK = 16 f SAMPLE = 2MHz , 12-bit mode
, and digital inputs = GND or V
cc , unless otherwise noted.
Note : (1) LSB means least Significant Bit. With V
REF equal to +2.5V , one LSB is 610V
APT7843
PARAM ETER
CO NDITIO N S
MIN
TYP
MA X
UNITS
DC ACCUR ACY
Resolution
12
Bits
N o m issing code
11
Bits
Integral N onlinearity
± 2LSB
O ffset Error
± 6LSB
O ffset Error M atch
0.1
1
LS B
G ain Error
± 4LSB
G ain Error M atch
0.1
1
LS B
Noise
30
uV rm s
Pow er Supply R ejection
70
dB
REFER ANC E IN PU T
V
REF In put Vo ltage R a n g e
1.0
Vcc
D C Leakage C urrent
± 1
A
V
REF In put Im p eda nce
C S = G N D or Vcc
5
G
V
REF In put C u rrent
13
40
A
F
SAM PLE = 1 2 .5 k H z
2.5
A
CS = Vcc
3
A
DYNA M IC PER FO R ENC E
Aperture D elay
30
ns
Aperture Jitter
100
ps
C hannel to C hannel Isolation
V
IN = 2.5 V p-p ; F IN = 5 0 kH z
100
dB
CO NVERSIO N RATE
C onversion Tim e
12
DCLK cycles
Track/H old Acquisition Tim e
3
DCLK cycles
Throughput R ate
125
KS PS
SW IT CH DRIVERS
O n-R esistance
Y+ , X +
415
Y- , X-
415
LOGIC OU TPU TS
O utput H igh Voltage , V
OH
|I
OH |
≤ -250A
Vcc–0.2
V
O utput Low Voltage , V
OL
|I
OL|
≤ 250A
0.4
V
PENIRQ output low voltage , V
OL
0.2
V
Floating-State Leakage Current
± 10
A
Floating-State Output Capacitance
10
pF
O utput Coding
Straight ( N atural ) Binary
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相关代理商/技术参数 |
参数描述 |
|---|---|
| APT7843NI | 制造商:ANPEC 制造商全称:Anpec Electronics Coropration 功能描述:Touch Screen Controller |
| APT7843OI | 制造商:ANPEC 制造商全称:Anpec Electronics Coropration 功能描述:Touch Screen Controller |
| APT7846 | 制造商:ANPEC 制造商全称:Anpec Electronics Coropration 功能描述:Touch Screen Controller |
| APT7846NI-TR | 制造商:ANPEC 制造商全称:Anpec Electronics Coropration 功能描述:Touch Screen Controller |
| APT7846NI-TU | 制造商:ANPEC 制造商全称:Anpec Electronics Coropration 功能描述:Touch Screen Controller |
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