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参数资料
| 型号： | MAX7349AWG |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PDSO24 |
| 封装： | 0.300 INCH, MS-013AD, SOIC-24 |
| 文件页数： | 12/28页 |
| 文件大小： | 760K |
| 代理商： | MAX7349AWG |
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MAX7347/MAX7348/MAX7349
2-Wire Interfaced Low-EMI Key Switch and
Sounder Controllers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
All voltages referenced to GND.
V+ ............................................................................-0.3V to +4V
COL2/PORT2–COL7/PORT7 ....................................-0.3V to +4V
SDA, SCL, AD0, ALERT, INT ....................................-0.3V to +6V
All Other Pins................................................-0.3V to (V+ + 0.3V)
DC Current on COL2/PORT2–COL7/PORT7 ......................25mA
DC Current on SOUNDER ................................................±25mA
GND Current .......................................................................80mA
Continuous Power Dissipation (TA = +70°C)
16-Pin QSOP (derate 8.3mW/°C above +70°C)...........666mW
20-Pin QSOP (derate 9.1mW/°C above +70°C)...........727mW
24-Pin QSOP (derate 9.5mW/°C above +70°C)...........761mW
24-Pin SO (derate 11.8mW/°C above +70°C)..............941mW
Operating Temperature Range (TMIN to TMAX) ...-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
ELECTRICAL CHARACTERISTICS
(V+ = 2.4V to 3.6V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = 3.3V, TA = +25°C.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Supply Voltage
V+
2.4
3.6
V
Operating Supply Current
I+
All key switches open
75
100
A
Shutdown Supply Current
ISH
6.44
10
A
SOUNDER Output High Voltage
VOHBUZ
ISOURCE = 10mA
V+ -
0.45
V
SOUNDER Output Low Voltage
VOLBUZ
ISINK = 10mA
0.15
V
SOUNDER Frequency Accuracy
TA = +25°C, V+ = 3.3V
0.9
%
Key-Switch Source Current
IKEY
28
40
A
Key-Switch Source Voltage
VKEY
0.35
0.65
V
Key-Switch Resistance
RKEY
(Note 3)
5
k
Startup Time from Shutdown
tSTART
57
200
s
Output Low Voltage
COL2/PORT2 to COL7/PORT7,
INT Output
VOLPORT
ISINK = 10mA
0.15
V
Input voltage
≤ V+
-1
+1
Input Leakage Current Alert
Input voltage
> V+
-5
+5
A
Input High Voltage ALERT
VIH
2.2
V
Input Low Voltage ALERT
VIL
0.8
V
SERIAL INTERFACE SPECIFICATIONS
Serial Bus Timeout
tOUT
With bus timeout enabled
20
68
ms
Input High Voltage
SDA, SCL, AD0
VIH
2.2
V
Input Low Voltage
SDA, SCL, AD0
VIL
0.6
V
Input voltage
≤ V+
-1
+1
Input Leakage Current
SDA, SCL, AD0
Input voltage
> V+
-5
+5
A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX7349EVKIT | 功能描述:接口 - 专用 Evaluation Kit for the MAX7349/Emulates: MAX7347/MAX7348 RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59 |
| MAX734C/D | 功能描述:直流/直流开关调节器 +12V 120mA Flash Memory Programming Supply RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX734C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX734CPA | 功能描述:直流/直流开关调节器 12V 120mA Flash Mem Programming Supply RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX734CPA+ | 功能描述:直流/直流开关调节器 12V 120mA Flash Mem Programming Supply RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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