参数资料
| 型号： | MAX6953EAX+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 5/23页 |
| 文件大小： | 0K |
| 描述： | IC DRVR DSPL LED 36-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 显示器类型： | LED |
| 配置： | 5 x 7（矩阵） |
| 接口： | I²C |
| 数字或字符： | 4 位数字 |
| 电流 - 电源： | 12mA |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-BSOP（0.295"，7.50mm 宽） |
| 供应商设备封装： | 36-SSOP |
| 包装： | 带卷 (TR) |
2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 ? 7
Matrix LED Display Driver
Typical Operating Characteristics (continued)
(Typical application circuit, V+ = 3.3V, LED forward voltage = 2.4V, scan limit set to 4 digits, T A = +25°C, unless otherwise noted.)
105
100
95
90
85
DEAD CLOCK OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
1.01
1.00
0.99
0.98
0.97
0.96
OUTPUT SOURCE CURRENT
vs. SUPPLY VOLTAGE
GROUND FOR
ANODE
(PIN 014)
WAVEFORMS AT O2 (PIN 3) AND O14
(PIN 28) V+ = 3.3V, 8/16 INTENSITY
80
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.95
2.5
3.0
3.5 4.0 4.5
SUPPLY VOLTAGE (V)
5.0
5.5
GROUND FOR
CATHODE
(PIN 03)
200 μ s/div
SUPPLY VOLTAGE (V)
Pin Description
SSOP
1, 2, 3, 6–14, 23, 24
4, 5, 17
15
PIN
PDIP
1, 2, 3, 7–15, 26, 27
4, 5, 6, 19
17
NAME
O0 to O13
GND
ISET
FUNCTION
LED Cathode Drivers. O0 to O13 outputs sink current from
the display’s cathode rows.
Ground
Segment Current Setting. Connect ISET to GND through
series resistor R SET to set the peak current.
Address Input 1. Sets device slave address. Connect to
16
18
AD1
either GND, V+, SCL, SDA to give four logic combinations.
See Table 3.
—
18
16, 25
20
N.C.
BLINK
Not Connected
Blink Output. Output is open drain.
Multiplex Clock Input. To use internal oscillator, connect
19
21
OSC
capacitor C SET from OSC to GND. To use external clock,
drive OSC with a 1MHz to 8MHz CMOS clock.
Address Input 0. Sets device slave address. Connect to
20
22
AD0
either GND, V+, SCL, SDA to give four logic combinations.
See Table 3.
I C-Compatible Serial Data I/O
I C-Compatible Serial Clock Input
21
22
25–31, 34, 35, 36
32, 33
23
24
28–34, 38, 39, 40
35, 36, 37
SDA
SCL
O14 to O23
V+
2
2
LED Anode Drivers. O14 to O23 outputs source current to
the display’s anode columns.
Positive Supply Voltage. Bypass V+ to GND with a 47μF
bulk capacitor and a 0.1μF ceramic capacitor.
_______________________________________________________________________________________
5
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| MAX6954AAX+T | 功能描述:LED显示驱动器 2.7-5.5V 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 |
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