參數(shù)資料
型號(hào): MAX7323ATE+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 5/17頁(yè)
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 4B 16TQFN-EP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 100
接口: I²C
輸入/輸出數(shù): 4
中斷輸出:
頻率 - 時(shí)鐘: 400kHz
電源電壓: 1.71 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 16-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 16-TQFN-EP(3x3)
包裝: 管件
包括: POR
Driving LED Loads
When driving LEDs from one of the four output ports
(O0, O1, O6, or O7), a resistor must be connected in
series with the LED to limit the LED current to no more
than 20mA. Connect the LED cathode to the MAX7323
port, and the LED anode to V+ through the series cur-
rent-limiting resistor, RLED. Set the port output low to
illuminate the LED. Choose the resistor value according
to the following formula:
RLED = (VSUPPLY - VLED - VOL) / ILED
where:
RLED is the resistance of the resistor in series with the
LED (
Ω).
VSUPPLY is the supply voltage used to drive the LED (V).
VLED is the forward voltage of the LED (V).
VOL is the output-low voltage of the MAX7323 when
sinking ILED (V).
ILED is the desired operating current of the LED (A).
For example, to operate a 2.2V red LED at 10mA from a
+5V supply:
RLED = (5 - 2.2 - 0.07) / 0.010 = 270
Ω.
MAX7323
I2C Port Expander with 4 Push-Pull Outputs
and 4 Open-Drain I/Os
______________________________________________________________________________________
13
OUTPUT
V+
PORTS
O0, O1, O6, O7
MAX7323
Figure 9. MAX7323 Push-Pull Output Port Structure
PORTS
P2–P5
PULLUP
ENABLE
INPUT
OUTPUT
40k
Ω
G
S
D
MAX7323
V+
Figure 10. MAX7323 I/O Port Structure
I2C
CONTROL
O7
P4
P5
O6
P3
P2
O1
O0
INT
I/O
PORTS
POWER-
ON RESET
INPUT
FILTER
RST
SDA
SCL
AD2
AD0
MAX7323
Functional Diagram
相關(guān)PDF資料
PDF描述
ATMEGA48-15AT1 MCU AVR 4K FLASH 15MHZ 32-TQFP
PCA9675DB,112 IC I/O EXPANDER I2C 16B 24SSOP
MAX7301ATL+T IC I/O EXPANDER SPI 28B 40TQFN
MAX7301AAX+T IC I/O EXPANDER SPI 28B 36SSOP
PCA9671DB,112 IC I/O EXPANDER I2C 16B 24SSOP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX7323ATE+ 功能描述:接口-I/O擴(kuò)展器 I2C Port Expander w/4 P-P Out & 4 I/O RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
MAX7323ATE+T 功能描述:接口-I/O擴(kuò)展器 I2C Port Expander w/4 P-P Out & 4 I/O RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
MAX7323ATE-T 功能描述:接口-I/O擴(kuò)展器 I2C Port Expander w/4 P-P Out & 4 I/O RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
MAX7324 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:I2C Port Expander with Eight Push-Pull Outputs and Eight Inputs
MAX7324AEG 功能描述:接口-I/O擴(kuò)展器 I2C Port Expander w/8 P-P Out & 8 In RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel