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参数资料
| 型号： | MAX7325AEG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/17页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 8B 24QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 接口： | I²C |
| 输入/输出数： | 8 |
| 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： | 24-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 24-QSOP |
| 包装： | 管件 |
| 包括： | POR |
MAX7325
I2C Port Expander with 8 Push-Pull
and 8 Open-Drain I/Os
2
Maxim Integrated
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.)
Supply Voltage V+....................................................-0.3V to +6V
SCL, SDA, AD0, AD2, RST, INT, P0–P7 ...................-0.3V to +6V
O8–O15 ........................................................-0.3V to (V+ + 0.3V)
O8–O15 Output Current ...................................................±25mA
P0–P7 Sink Current ......................................................................25mA
SDA Sink Current ........................................................................ 10mA
INT Sink Current..................................................................10mA
Total V+ Current..................................................................50mA
Total GND Current ...........................................................100mA
Continuous Power Dissipation (TA = +70°C)
24-Pin QSOP (derate 9.5mW/°C over +70°C)...........761.9mW
24-Pin TQFN (derate 20.8mW/°C over+70°C) ........1666.7mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
DC ELECTRICAL CHARACTERISTICS
(V+ = +1.71V to +5.5V, TA = -40°C to +125°C, unless otherwise noted. Typical values are at V+ = +3.3V, TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Supply Voltage
V+
TA = -40°C to +125°C
1.71
5.50
V
Power-On-Reset Voltage
VPOR
V+ falling
1.6
V
Standby Current
(Interface Idle)
ISTB
SCL and SDA and other
digital inputs at V+
TA = -40°C to
+125°C
0.6
1.9
A
Supply Current
(Interface Running)
I+
fSCL = 400kHz; other
digital inputs at V+
TA = -40°C to
+125°C
23
55
A
V+ < 1.8V
0.8 x V+
Input High-Voltage
SDA, SCL, AD0, AD2,
RST, P0–P7
VIH
V+
≥ 1.8V
0.7 x V+
V
V+ < 1.8V
0.2 x V+
Input Low-Voltage
SDA, SCL, AD0, AD2,
RST, P0–P7
VIL
V+
≥ 1.8V
0.3 x V+
V
Input Leakage Current
SDA, SCL, AD0, AD2,
RST, P0–P7
IIH, IIL
SDA, SCL, AD0, AD2,
RST, P0–P7 at V+ or
GND, internal pullup disabled
-0.2
+0.2
A
Input Capacitance
SDA, SCL, AD0, AD2,
RST, P0–P7
10
pF
V+ = +1.71V, ISINK = 5mA (QSOP)
90
180
V+ = +1.71V, ISINK = 5mA (TQFN)
90
230
V+ = +2.5V, ISINK = 10mA (QSOP)
110
210
V+ = +2.5V, ISINK = 10mA (TQFN)
110
260
V+ = +3.3V, ISINK = 15mA (QSOP)
130
230
V+ = +3.3V, ISINK = 15mA (TQFN)
130
280
V+ = +5V, ISINK = 20mA (QSOP)
140
250
Output Low Voltage
O8–O15, P0–P7
VOL
V+ = +5V, ISINK = 20mA (TQFN)
140
300
mV
V+ = +1.71V, ISOURCE = 2mA
V+ - 250
V+ - 30
V+ = +2.5V, ISOURCE = 5mA
V+ - 360
V+ - 70
V+ = +3.3V, ISOURCE = 5mA
V+ - 260 V+ - 100
Output High Voltage
O8–O15
VOH
V+ = +5V, ISOURCE = 10mA
V+ - 360 V+ - 120
mV
Output Low-Voltage SDA
VOLSDA
ISINK = 6mA
250
mV
Output Low-Voltage
INT
VOLINT
ISINK = 5mA
130
250
mV
Port Input Pullup Resistor
RPU
25
40
55
k
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