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参数资料
| 型号： | MAX7323ATE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/17页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 4B 16TQFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 接口： | I²C |
| 输入/输出数： | 4 |
| 中断输出： | 是 |
| 频率 - 时钟： | 400kHz |
| 电源电压： | 1.71 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（3x3） |
| 包装： | 管件 |
| 包括： | POR |
MAX7323
Driving Load Currents Higher than 20mA
The MAX7323 can be used to drive loads, such as
relays, that draw more than 20mA by paralleling out-
puts. Use at least one output per 20mA of load current;
for example, a 5V, 330mW relay draws 66mA, and
therefore, requires four paralleled outputs. Any combi-
nation of outputs can be used as part of a load-sharing
design because any combination of ports can be set or
cleared at the same time by writing to the MAX7323. Do
not exceed a total sink current of 100mA for the device.
The MAX7323 must be protected from the negative volt-
age transient generated when switching off inductive
loads (such as relays), by connecting a reverse-biased
diode across the inductive load. Choose the peak cur-
rent for the diode to be greater than the inductive load’s
operating current.
Power-Supply Considerations
The MAX7323 operates with a supply voltage of +1.71V
to +5.5V over the -40°C to +125°C temperature range.
Bypass the supply to GND with a ceramic capacitor of
at least 0.047F as close as possible to the device. For
the TQFN version, additionally connect the exposed
paddle to GND.
I2C Port Expander with 4 Push-Pull Outputs
and 4 Open-Drain I/Os
14
______________________________________________________________________________________
15
16
14
13
5
6
7
O1
P2
8
AD2
O7
O6
SCL
13
V+
4
12
10
9
AD0
RST
P5
P4
GND
P3
MAX7323
O0
INT
2
11
SDA
TQFN
TOP VIEW
*EP
*EXPOSED PADDLE, CONNECTED TO GND
+
Pin Configurations
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
AD0
V+
SDA
SCL
INT
O7
O6
P5
P4
MAX7323
QSOP
RST
AD2
P2
O0
O1
P3
GND
+
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX7323ATE+ | 功能描述:接口-I/O扩展器 I2C Port Expander w/4 P-P Out & 4 I/O RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7323ATE+T | 功能描述:接口-I/O扩展器 I2C Port Expander w/4 P-P Out & 4 I/O RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7323ATE-T | 功能描述:接口-I/O扩展器 I2C Port Expander w/4 P-P Out & 4 I/O RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7324 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:I2C Port Expander with Eight Push-Pull Outputs and Eight Inputs |
| MAX7324AEG | 功能描述:接口-I/O扩展器 I2C Port Expander w/8 P-P Out & 8 In RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
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