- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄361324 > QT110 (Electronic Theatre Controls, Inc.) SENSOR ICs PDF資料下載
參數(shù)資料
| 型號： | QT110 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | SENSOR ICs |
| 中文描述： | 傳感器IC |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 207K |
| 代理商： | QT110 |
2.2 OUTPUT FEATURES
The QT110 / QT110H are designed for maximum flexibility
and can accommodate most popular sensing requirements.
These are selectable using strap options on pins OPT1 and
OPT2. All options are shown in Table 2-1.
2.2.1 DC M
ODE
O
UTPUT
The output of the device can respond in a DC mode, where
the output is active-low (QT110) or active-high (QT110H)
upon detection. The output will remain active for the duration
of the detection, or until the Max On-Duration expires,
whichever occurs first. If the latter occurs first, the sensor
performs a full recalibration and the output becomes inactive
until the next detection.
In this mode, two Max On-Duration timeouts are available: 10
and 60 seconds.
2.2.2 T
OGGLE
M
ODE
O
UTPUT
This makes the sensor respond in an on/off mode like a flip
flop. It is most useful for controlling power loads, for example
in kitchen appliances, power tools, light switches, etc.
Max On-Duration in Toggle mode is fixed at 10 seconds.
When a timeout occurs, the sensor recalibrates but leaves
the output state unchanged.
2.2.3 P
ULSE
M
ODE
O
UTPUT
This generates a pulse of 75ms duration (QT110 -
negative-going; QT110H - positive-going) with every new
detection. It is most useful for 2-wire operation, but can also
be used when bussing together several devices onto a
common output line with the help of steering diodes or logic
gates, in order to control a common load from several places.
Max On-Duration is fixed at 10 seconds if in Pulse output
mode.
2.2.4 H
EART
B
EAT
O
UTPUT
The output has a full-time HeartBeat ‘health’ indicator
superimposed on it. This operates by taking 'Out' into a
3-state mode for 350μs once before every QT burst. This
output state can be used to determine that the sensor is
operating properly, or, it can be ignored using one of several
simple methods.
QT110: The HeartBeat indicator can be sampled by using a
pulldown resistor on Out, and feeding the resulting
negative-going pulse into a counter, flip flop, one-shot, or
other circuit. Since Out is normally high, a pulldown resistor
will create negative HeartBeat pulses (Figure 2-3) when the
sensor is not detecting an object; when detecting an object,
the output will remain active for the duration of the detection,
and no HeartBeat pulse will be evident.
QT110H: Same as QT110 but inverted logic (use a pull-down
resistor instead of a pull-up etc.)
If the sensor is wired to a microprocessor as shown in Figure
2-4, the microprocessor can reconfigure the load resistor to
either ground or Vcc depending on the output state of the
device, so that the pulses are evident in either state.
Electromechanical devices will usually ignore this short
pulse. The pulse also has too low a duty cycle to visibly
activate LED’s. It can be filtered completely if desired, by
adding an RC timeconstant to filter the output, or if interfacing
directly and only to a high-impedance CMOS input, by doing
nothing or at most adding a small non-critical capacitor from
Out to ground (Figure 2-5).
2.2.5 P
IEZO
A
COUSTIC
D
RIVE
A piezo drive signal is generated for use with a bare piezo
sounder immediately after a detection is made; the tone lasts
for a nominal 75ms to create a reassuring ‘tactile feedback’
sound.
The sensor will drive most common bare piezo ‘beepers’
directly using an H-bridge drive configuration for the highest
possible sound level at all supply voltages; H-bridge drive
effectively doubles the supply voltage across the piezo. The
piezo is connected across pins SNS1 and SNS2. This drive
operates at a nominal 4kHz frequency, a common resonance
point for enclosed piezo sounders. Other frequencies can be
obtained upon special request.
If desired a bare piezo sounder can be directly adhered to
the rear of a control panel, provided that an acoustically
resonant cavity is also incorporated to give the desired sound
level.
Since piezo sounders are merely high-K ceramic capacitors,
the sounder will double as the Cs capacitor, and the piezo's
metal disc will act as the sensing electrode. Piezo transducer
capacitances typically range from 6nF to 30nF (0.006μF to
0.03μF) in value; at the lower end of this range an additional
capacitor should be added to bring the total Cs across SNS1
and SNS2 to at least 10nF, or more if Cx is large.
- 6 -
Figure 2-4
Using a micro to obtain HB pulses in either output state
(QT110 or QT110H)
Figure 2-3
Getting HB pulses with a pull-down resistor (QT110 shown;
use pull-up resistor with QT110H)
+2.5 to 5
3
4
6
5
1
7
2
OUT
OPT1
OPT2
GAIN
SNS1
SNS2
Vss
Vdd
8
Ro
HeartBeat Pulses
Microprocessor
PORT_M.x
PORT_M.y
3
4
6
5
7
2
OUT
OPT1
OPT2
GAIN
SNS1
SNS2
R
o
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| QT110H | SENSOR ICs |
| QT113 | CHARGE-TRANSFER TOUCH SENSOR |
| QT113-D | CHARGE-TRANSFER TOUCH SENSOR |
| QT113-IS | CHARGE-TRANSFER TOUCH SENSOR |
| QT113-S | CHARGE-TRANSFER TOUCH SENSOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| QT110_05 | 制造商:QUANTUM 制造商全稱:QUANTUM 功能描述:QTOUCH⑩ SENSOR IC |
| QT1100A | 制造商:QUANTUM 制造商全稱:QUANTUM 功能描述:10 KEY QTOUCH SENSOR IC |
| QT1100A-IS | 功能描述:IC SENSOR 10CHAN QTOUCH 48SSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 觸摸屏控制器 系列:QTouch™ 標(biāo)準(zhǔn)包裝:96 系列:- 類型:- 觸摸面板接口:- 輸入數(shù)/鍵:- 分辨率（位）:- 評估套件:* 數(shù)據(jù)接口:- 數(shù)據(jù)速率/采樣率 (SPS，BPS):- 電壓基準(zhǔn):- 電源電壓:- 電流 - 電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| QT1100A-ISG | 功能描述:接口 - 專用 Integrated Circuit RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| QT1100-ISG | 功能描述:板機(jī)接口移動感應(yīng)器和位置傳感器 INTEGRATED-CIRCUIT RoHS:否 制造商:Panasonic Electric Works 封裝 / 箱體:TO-5 感應(yīng)距離:3 m 輸出類型:Digital 電源電壓-最大:6 V 電源電壓-最小:2.3 V 電源電流: 最大工作溫度:+ 60 C 封裝:Bulk |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。