參數(shù)資料
型號(hào)： MAX6959BAEE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 顯示驅(qū)動(dòng)器
英文描述： 2-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan
中文描述： LED DISPLAY DRIVER, PDSO16
封裝： 0.150 INCH, EXPOSED PAD, QSOP-16
文件頁(yè)數(shù)： 17/19頁(yè)
文件大小： 270K
代理商： MAX6959BAEE
Computing Power Dissipation
Determine the MAX6958/MAX6959 upper-limit power
dissipation (P
D
) with the following equation:
P
D
= (V+
I+) + (V+ - V
LED
) (DUTY
I
SEG
N)
where:
V+ = supply voltage
I+ = operating supply current
DUTY = duty cycle set by intensity register
N = number of segments driven (worst case is nine)
V
LED
= LED forward voltage at I
SEG
I
SEG
= peak segment current
P
D
= power dissipation, in mW if currents are in mA
Dissipation example:
I
SEG
= 23mA, N = 9, DUTY = 63/64, V
LED
= 2.2V,
V+ = 5.25V
P
D
= 5.25V (5.9mA) + (5.25V - 2.2V)
(63/64
23mA
9) = 0.652W
For a 16-pin DIP package (T
JA
= 1/0.0105 = +95.2
°
C/W
from
Absolute Maximum Ratings
), the maximum
allowed ambient temperature T
A
is given by:
T
J(MAX)
= T
A
+ (P
D
T
JA
) = +150
°
C
= T
A
+ (0.652
95.2
°
C/W)
Therefore, T
A
= +87.9
°
C.
Power Supplies
The MAX6958/MAX6959 operate from a single 3V to
5.5V power supply. Bypass V+ with a 0.1μF capacitor
to GND, as close to the device as possible. Bypass V+
with an additional 10μF capacitor if the MAX6958/
MAX6959 are not close to the board input
’
s bulk
decoupling capacitor.
Chip Information
TRANSISTOR COUNT: 17,340
PROCESS: CMOS
M
2-Wire Interfaced, 3V to 5.5V, 4-Digit,
9-Segment LED Display Drivers with Keyscan
______________________________________________________________________________________
17
Ordering Information (continued)
PART
TEMP
RANGE
SLAVE
ADDRESS
PIN-
PACKAGE
MAX6958BAEE
MAX6958BAPE
MAX6959
AAEE
MAX6959AAPE
MAX6959BAEE
MAX6959BAPE
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
0111001
0111001
0111000
0111000
0111001
0111001
16 QSOP
16 DIP
16 QSOP
16 DIP
16 QSOP
16 DIP
CONFIGURATION
REGISTERS
DISPLAY RAM
AND HEX ROM
SCL
SDA
2-WIRE SERIAL INTERFACE
MULTIPLEX
LOGIC
4 LED DIGITS
KEYSCAN AND
PORT CONTROL
LED
DRIVER
CURRENT
REFERENCE
MULTIPLEX
OSCILLATOR
PWM INTENSITY
CONTROL
PORTS AND
KEYSCAN
IRQ
Functional Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6959BAEE+ 功能描述:LED顯示驅(qū)動(dòng)器 3-5.5V 4-Digit 9-Seg LED Display Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
MAX6959BAEE+T 功能描述:LED顯示驅(qū)動(dòng)器 3-5.5V 4-Digit 9-Seg LED Display Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
MAX6959BAEE-T 功能描述:LED顯示驅(qū)動(dòng)器 RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
MAX6959BAPE 功能描述:LED顯示驅(qū)動(dòng)器 RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
MAX6959BAPE+ 功能描述:LED顯示驅(qū)動(dòng)器 3-5.5V 4-Digit 9-Seg LED Display Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
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