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参数资料
| 型号： | MAX6957ATL+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/25页 |
| 文件大小： | 0K |
| 描述： | IC DRVR DSPL LED 40-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 显示器类型： | LED |
| 配置： | 7、16、20 段 |
| 接口： | 4 线串行 |
| 电流 - 电源： | 180µA |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-TQFN-EP（6x6） |
| 包装： | 带卷 (TR) |
4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and
28-Port LED Display Driver and I/O Expander
ABSOLUTE MAXIMUM RATINGS
Voltage (with Respect to GND)
V+ .............................................................................-0.3V to +6V
All Other pins................................................-0.3V to (V+ + 0.3V)
P4–P31 Current ................................................................±30mA
Operating Temperature Range (T MIN , T MAX ) ....-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
GND Current .....................................................................800mA
Continuous Power Dissipation (T A = +70°C)
28-Pin PDIP (derate 14.3mW/°C above +70°C)........1143mW
28-Pin SSOP (derate 9.1mW/°C above +70°C) ..........727mW
36-Pin SSOP (derate 11.8mW/°C above +70°C) ........941mW
40-Pin TQFN (derate 37.0mW/°C above +70°C) ......2963mW
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
(Typical Operating Circuit, V+ = 2.5V to 5.5V, T A = T MIN to T MAX , unless otherwise noted.) (Note 1)
PARAMETER
Operating Supply Voltage
SYMBOL
V+
CONDITIONS
MIN
2.5
TYP
MAX
5.5
UNITS
V
Shutdown Supply Current
I SHDN
All digital inputs at
V+ or GND
T A = +25°C
TA = -40°C to +85°C
5.5
8
10
μA
T A = T MIN to T MAX
11
All ports programmed
T A = +25°C
180
230
Operating Supply Current
I GPOH
as outputs high, no load,
all other inputs at V+ or
TA = -40°C to +85°C
250
μA
GND
T A = T MIN to T MAX
270
All ports programmed
T A = +25°C
170
210
Operating Supply Current
I GPOL
as outputs low, no load,
all other inputs at V+ or
TA = -40°C to +85°C
230
μA
GND
T A = T MIN to T MAX
240
All ports programmed
T A = +25°C
110
135
Operating Supply Current
I LED
as LED outputs, all LEDs
off, no load, all other
T A = -40°C to +85°C
140
μA
INPUTS AND OUTPUTS
inputs at V+ or GND
T A = T MIN to T MAX
145
Logic-High Input Voltage
Port Inputs
Logic-Low Input Voltage
Port Inputs
V IH
V IL
0.7 ?
V+
0.3 ?
V+
V
V
Input Leakage Current
GPIO Input Internal Pullup to V+
I IH , I IL
I PU
GPIO inputs without pullup,
V PORT = V+ to GND
V+ = 2.5V
V+ = 5.5V
-100
12
80
±1
19
120
+100
30
180
nA
μA
Hysteresis Voltage GPIO Inputs
Δ V I
GPIO outputs, I SOURCE = 2mA, T A = -40°C to
+85°C
V+ -
0.7
0.3
V
V
Output High Voltage
V OH
GPIO outputs, I SOURCE = 1mA,
T A = T MIN to T MAX (Note 2)
V+ -
0.7
V
2
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