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参数资料
| 型号： | MAX7221EWG+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/17页 |
| 文件大小： | 0K |
| 描述： | IC DRVR DSPLY LED 8DIG 24SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 30 |
| 显示器类型： | LED |
| 配置： | 7 段 + DP |
| 接口： | 4 线串行 |
| 数字或字符： | 8 位数字 |
| 电流 - 电源： | 330mA |
| 电源电压： | 4 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 管件 |
| 产品目录页面： | 1424 (CN2011-ZH PDF) |
MAX7219/MAX7221
Serially Interfaced, 8-Digit LED Display Drivers
ABSOLUTE MAXIMUM RATINGS
Voltage (with respect to GND)
V+ ............................................................................-0.3V to 6V
DIN, CLK, LOAD, CS ...............................................-0.3V to 6V
All Other Pins.............................................-0.3V to (V+ + 0.3V)
Current
Operating Temperature Ranges (T MIN to T MAX )
MAX7219C_G/MAX7221C_G ..............................0°C to +70°C
MAX7219E_G/MAX7221E_G ............................-40°C to +85°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°C
DIG 0–DIG 7 Sink Current..............................................500mA
SEG A–G, DP Source Current........................................100mA
Continuous Power Dissipation (T A = +85°C)
Narrow Plastic DIP (derate 13.3mW/°C
above +70°C)..............................................................1066mW
Wide SO (derate 11.8mW/°C above +70°C).................941mW
Narrow CERDIP (derate 12.5mW/°C above +70°C) ...1000mW
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.
ELECTRICAL CHARACTERISTICS
(V+ = 5V ±10%, R SET = 9.53k Ω ±1%, T A = T MIN to T MAX , unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Supply Voltage
Shutdown Supply Current
V+
I+
All digital inputs at V+ or GND, T A = +25°C
4.0
5.5
150
V
μA
R SET = open circuit
8
Operating Supply Current
I+
All segments and decimal point on,
I SEG_ = -40mA
330
mA
Display Scan Rate
Digit Drive Sink Current
Segment Drive Source Current
Segment Current Slew Rate
(MAX7221 only)
f OSC
I DIGIT
I SEG
Δ I SEG / Δ t
8 digits scanned
V+ = 5V, V OUT = 0.65V
T A = +25°C, V+ = 5V, V OUT = (V+ - 1V)
T A = +25°C, V+ = 5V, V OUT = (V+ - 1V)
500
320
-30
10
800
-40
20
1300
-45
50
Hz
mA
mA
mA/μs
Segment Drive Current Matching
Δ I SEG
3.0
%
Digit Drive Leakage
(MAX7221 only)
Segment Drive Leakage
(MAX7221 only)
Digit Drive Source Current
(MAX7219 only)
Segment Drive Sink Current
(MAX7219 only)
I DIGIT
I SEG
I DIGIT
I SEG
Digit off, V DIGIT = V+
Segment off, V SEG = 0V
Digit off, V DIGIT = (V+ - 0.3V)
Segment off, V SEG = 0.3V
-2
5
-10
1
μA
μA
mA
mA
2
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX7221EWG+ | 功能描述:LED显示驱动器 8-Digit LED Display Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX7221EWG+T | 功能描述:LED显示驱动器 8-Digit LED Display Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX7221EWG-T | 功能描述:LED显示驱动器 RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| MAX722C/D | 功能描述:直流/直流开关调节器 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 |
| MAX722CSE | 功能描述:直流/直流开关调节器 3.3V Palmtop/LCD Power Supply Reg 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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