參數(shù)資料
型號(hào)： ADS7845
元件分類： 通用總線功能
英文描述： CMOS 8-Stage Presettable 8-Bit Binary Synchronous Down Counter 16-TSSOP -55 to 125
中文描述： 觸摸屏控制器
文件頁數(shù)： 5/12頁
文件大小： 173K
代理商： ADS7845
5
ADS7845
TYPICAL PERFORMANCE CURVES
(CONT)
At T
A
= +25
°
C, +V
CC
= +2.7V, V
REF
= +2.5V, f
SAMPLE
= 125kHz, and f
CLK
= 16 f
SAMPLE
= 2MHz, unless otherwise noted.
REFERENCE CURRENT vs SAMPLE RATE
75
0
125
25
50
100
Sample Rate (kHz)
R
μ
A
14
12
10
8
6
4
2
0
REFERENCE CURRENT vs TEMPERATURE
20
–40
100
–20
0
40
Temperature (
°
C)
R
μ
A
18
16
14
12
10
8
6
60
80
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
L
20
40
60
80
Sampling Rate (kHz)
100
120
140
160
180
200
MAXIMUM SAMPLING RATE vs R
IN
INL: R = 2k
INL: R = 500
DNL: R = 2k
DNL: R = 500
SWITCH ON RESISTANCE vs TEMPERATURE
(X+, Y+: +V
CC
to Pin; X–, Y–: Pin to GND)
20
–40
100
–20
UL
LL
40
Temperature (
°
C)
R
O
)
16
14
12
10
8
6
4
2
60
80
0
UR
LR
SWITCH ON RESISTANCE vs +V
(X+, Y+: +V
CC
to Pin; X–, Y–: Pin to GND)
3.5
2
5
2.5
UL
LL
LR
4
+V
CC
(V)
R
O
(
)
16
14
12
10
8
6
4
2
4.5
3
UR
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS7845E 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 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型: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 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 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型: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 類型:Resistive Touch Controllers 輸入類型:3 Key 數(shù)據(jù)速率:140 SPS 分辨率:10 bit 接口類型: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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