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參數(shù)資料
| 型號(hào)： | ADS7845E |
| 英文描述： | TOUCH SCREEN CONTROLLER |
| 中文描述： | 觸摸屏控制器 |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大?。?/td> | 173K |
| 代理商： | ADS7845E |
3
ADS7845
PIN
NAME
DESCRIPTION
1
2
3
+V
CC
UL
UR
Power Supply, 2.0V to 5V.
Upper Left Panel Driver (V
CC
ON/OFF)
Upper Right Panel Driver (switch between V
CC
and GND)
Lower Left Panel Driver (switch between GND
and V
CC
)
Lower Right Panel Driver (GND ON/OFF)
Ground
Panel Input
Auxiliary Input
Voltage Reference Input
Power Supply, 2.0V to 5V.
Pen Interrupt. Open anode output (requires 10k
to 100k
pull-up resistor externally).
Serial Data Output. Data is shifted on the falling
edge of DCLK. This output is high impedance
when CS is HIGH.
Busy Output. This output is high impedance when
CS is HIGH.
Serial Data Input. If CS is LOW, data is latched on
rising edge of DCLK.
Chip Select Input. Controls conversion timing and
enables the serial input/output register.
External Clock Input. This clock runs the SAR con-
version process and synchronizes serial data I/O.
4
LL
5
6
7
8
9
10
11
LR
GND
WIPER
AUXIN
V
REF
+V
CC
PENIRQ
12
DOUT
13
BUSY
14
DIN
15
CS
16
DCLK
PIN CONFIGURATION
Top View
SSOP
PIN DESCRIPTION
ABSOLUTE MAXIMUM RATINGS
(1)
+V
CC
to GND ........................................................................ –0.3V to +6V
Analog Inputs to GND ............................................ –0.3V to +V
CC
+ 0.3V
Digital Inputs to GND ............................................. –0.3V to +V
CC
+ 0.3V
Power Dissipation .......................................................................... 250mW
Maximum Junction Temperature ................................................... +150
°
C
Operating Temperature Range ........................................–40
°
C to +85
°
C
Storage Temperature Range .........................................–65
°
C to +150
°
C
Lead Temperature (soldering, 10s)............................................... +300
°
C
NOTE: (1) Stresses above those listed under “Absolute Maximum Ratings”
may cause permanent damage to the device. Exposure to absolute maximum
conditions for extended periods may affect device reliability.
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Burr-Brown
recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and
installation procedures can cause damage.
ESD damage can range from subtle performance degradation to
complete device failure. Precision integrated circuits may be
more susceptible to damage because very small parametric
changes could cause the device not to meet its published specifi-
cations.
MAXIMUM
INTEGRAL
LINEARITY
ERROR (LSB)
PACKAGE
DRAWING
NUMBER
(1)
SPECIFICATION
TEMPERATURE
RANGE
ORDERING
NUMBER
(2)
TRANSPORT
MEDIA
PRODUCT
PACKAGE
ADS7845E
±
2
"
16-Lead SSOP
"
322
"
–40
°
C to +85
°
C
"
ADS7845E
ADS7845E/2K5
Rails
"
Tape and Reel
NOTES: (1) For detailed drawing and dimension table, please see end of data sheet, or Appendix C of Burr-Brown IC Data Book. (2) Models with a slash (/) are
available only in Tape and Reel in the quantities indicated (e.g., /2K5 indicates 2500 devices per reel). Ordering 2500 pieces of “ADS7845E/2K5” will get a single
2500-piece Tape and Reel. For detailed Tape and Reel mechanical information, refer to Appendix B of Burr-Brown IC Data Book.
PACKAGE/ORDERING INFORMATION
1
2
3
4
5
6
7
8
+V
CC
UL
UR
LL
LR
GND
WIPER
AUXIN
DCLK
CS
DIN
BUSY
DOUT
PENIRQ
+V
CC
V
REF
16
15
14
13
12
11
10
9
ADS7845
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| ADS7846 | CMOS 8-Stage Presettable 8-Bit Binary Synchronous Down Counter 16-TSSOP -55 to 125 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS7845E | 制造商:Texas Instruments 功能描述:5 WIRE TOUCH SCREEN CONTR 16SSOP 制造商:Texas Instruments 功能描述:5 WIRE TOUCH SCREEN CONTR, 16SSOP 制造商:Texas Instruments 功能描述:5 WIRE TOUCH SCREEN CONTR, 16SSOP; Interface Type:5 Wire, Serial, SPI; Resolution (Bits):12bit; Supply Voltage Min:2.7V; Supply Voltage Max:5.5V; Digital IC Case Style:MSOP; No. of Pins:16; Operating Temperature Min:-40C; Operating ;RoHS Compliant: Yes |
| ADS7845E | 制造商:Texas Instruments 功能描述:IC's |
| ADS7845E/2K5 | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 5-wire Touch Screen Controller RoHS:否 制造商:Microchip Technology 類(lèi)型:Resistive Touch Controllers 輸入類(lèi)型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類(lèi)型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
| ADS7845E/2K5G4 | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 5-wire Touch Screen Controller RoHS:否 制造商:Microchip Technology 類(lèi)型:Resistive Touch Controllers 輸入類(lèi)型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類(lèi)型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
| ADS7845EG4 | 功能描述:觸摸屏轉(zhuǎn)換器和控制器 5-wire Touch Screen Controller RoHS:否 制造商:Microchip Technology 類(lèi)型:Resistive Touch Controllers 輸入類(lèi)型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類(lèi)型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 電源電壓:2.5 V to 5.25 V 電源電流:17 mA 工作溫度:- 40 C to + 85 C 封裝 / 箱體:SSOP-20 |
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