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参数资料
| 型号： | MAX8738EUA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/13页 |
| 文件大小： | 0K |
| 描述： | IC CALIBR TFT VCOM 8UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 视频滤波器 |
| 应用： | LCD 显示器 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 管件 |
MAX8738
Applications Information
I2C-Bus-Compatible Interface
The MAX8738 is a receive-only device with an I2C
address of 5Eh. The 2-wire, I2C-bus-compatible serial
interface (pins SCL and SDA) is designed to attach to a
I2C bus. Connect both SCL and SDA lines to the positive
bus supply through individual pullup resistors. Calculate
the required value of the pullup resistors using:
where tR is the rise time in the Electrical Char-
acteristics, and CBUS is the total capacitance on the
bus.
The MAX8738 is compatible with the standard I2C inter-
face protocol as defined in the following subsections.
See Figure 6.
Bus Not Busy
The I2C bus is not busy when both data and clock lines
remain HIGH. Data transfers may be initiated only when
the bus is not busy.
START Data Transfer (S)
Starting from an idle bus state (both SDA and SCL are
high), a START condition consists of a HIGH to LOW
transition of the SDA line while the clock (SCL) is HIGH.
All commands must be preceded by a START condition.
STOP Data Transfer (P)
A STOP condition consists of a LOW to HIGH transition
of the SDA line while the clock (SCL) is HIGH. All oper-
ations must be ended with a STOP condition.
R
t
C
PULLUP
R
BUS
≤
EEPROM-Programmable TFT VCOM
Calibrator with I2C Interface
10
______________________________________________________________________________________
MAX8738
AVDD
RSET
R2
R1
VCOM
SET
GND
AVDD
OUT
MAX8738
EQUIVALENT CIRCUIT
MECHANICAL
POTENTIOMETER
RD
RE
RF
R1 = RD
R2 = RF
RSET =
RD x (RD + RE + RF)
20 x RE
Figure 5. Replacement of Mechanical Potentiometer Circuit
SCL
SDA
START
CONDITION
S
STOP
CONDITION
P
DATA LINE
STABLE
DATA VALID
CHANGE
OF DATA
ALLOWED
Figure 6. I2C Bus START, STOP, and Data Change Conditions
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8738EUA+ | 功能描述:LCD 驱动器 EEPROM-Programmable TFT VCOM Calibrator RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| MAX8738EUA+T | 功能描述:LCD 驱动器 EEPROM-Programmable TFT VCOM Calibrator RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| MAX8738EUA-T | 功能描述:LCD 驱动器 RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| MAX8738EVKIT | 功能描述:LCD 驱动器 MAX8738 Eval Kit RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| MAX8739ETP | 功能描述:LCD 驱动器 RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
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