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参数资料
| 型号： | MAX6956AAI+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER LED PORT 20/28 28-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 46 |
| 显示器类型： | LED |
| 接口： | I²C |
| 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： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 管件 |
| 产品目录页面： | 1423 (CN2011-ZH PDF) |
ATION
EVALU
AVAIL
19-2414; Rev 4; 6/10
KIT
ABLE
2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or
28-Port LED Display Driver and I/O Expander
General Description
Features
The MAX6956 compact, serial-interfaced LED display
o
400kbps I 2 C-Compatible Serial Interface
driver/I/O expander provide microprocessors with up to
28 ports. Each port is individually user configurable to
either a logic input, logic output, or common-anode
(CA) LED constant-current segment driver. Each port
configured as an LED segment driver behaves as a
digitally controlled constant-current sink, with 16 equal
current steps from 1.5mA to 24mA. The LED drivers are
suitable for both discrete LEDs and CA numeric and
alphanumeric LED digits.
Each port configured as a general-purpose I/O (GPIO)
can be either a push-pull logic output capable of sink-
ing 10mA and sourcing 4.5mA, or a Schmitt logic input
with optional internal pullup. Seven ports feature config-
urable transition detection logic, which generates an
o 2.5V to 5.5V Operation
o -40°C to +125°C Temperature Range
o 20 or 28 I/O Ports, Each Configurable as
Constant-Current LED Driver
Push-Pull Logic Output
Schmitt Logic Input
Schmitt Logic Input with Internal Pullup
o 11μA (max) Shutdown Current
o 16-Step Individually Programmable Current
Control for Each LED
o Logic Transition Detection for Seven I/O Ports
Ordering Information
interrupt upon change of port logic level. The MAX6956
is controlled through an I 2 C-compatible 2-wire serial
interface, and uses four-level logic to allow 16 I 2 C
addresses from only 2 select pins.
The MAX6956AAX and MAX6956ATL have 28 ports
and are available in 36-pin SSOP and 40-pin thin QFN
PART
MAX6956ANI+
MAX6956AAI+
MAX6956AAX+
MAX6956ATL+
TEMP RANGE
-40 ° C to +125 ° C
-40 ° C to +125 ° C
-40 ° C to +125 ° C
-40 ° C to +125 ° C
PIN-PACKAGE
28 DIP
28 SSOP
36 SSOP
40 Thin QFN-EP*
packages, respectively. The MAX6956AAI and
MAX6956ANI have 20 ports and are available in 28-pin
SSOP and 28-pin DIP packages, respectively.
For an SPI-interfaced version, refer to the MAX6957
data sheet. For a lower cost pin-compatible port
expander without the constant-current LED drive capa-
bility, refer to the MAX7300 data sheet.
Applications
MAX6956AAX/V -40 ° C to +125 ° C 36 SSOP
MAX6956AAX/V+T -40 ° C to +125 ° C 36 SSOP
/V denotes an automotive qualified part.
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
*EP = Exposed pad.
Pin Configurations
TOP VIEW
Set-Top Boxes
Panel Meters
White Goods
Automotive
Bar Graph Displays
Industrial Controllers
System Monitoring
ISET 1
GND 2
GND 3
AD0 4
P12 5
P13 6
P14 7
MAX6956
28 V+
27 AD1
26 SCL
25 SDA
24 P31
23 P30
22 P29
Typical Operating Circuit appears at end of data sheet.
P15 8
P16 9
P17 10
P18 11
P19 12
P20 13
P21 14
21 P28
20 P27
19 P26
18 P25
17 P24
16 P23
15 P22
SSOP/DIP
Pin Configurations continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6956AAI+ | 功能描述:LED显示驱动器 2.5-5.5V 20/28Port 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 |
| MAX6956AAI+T | 功能描述:LED显示驱动器 2.5-5.5V 20/28Port 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 |
| MAX6956AAI-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 |
| MAX6956AAX | 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 |
| MAX6956AAX/V+ | 功能描述:LED显示驱动器 2.5-5.5V 20/28Port 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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