参数资料
型号: MAX8738EUA+T
厂商: Maxim Integrated Products
文件页数: 4/13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: 2,500
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: 带卷 (TR)
MAX8738
Command Byte
A complete command consists of a START condition
(S) followed by the MAX8738’s slave address (5Eh) and
a command byte, or a command byte and a DAC
value, followed by a STOP condition (P). There are five
commands, and their functions are listed in Table 1.
DAC Values
Table 2 lists the DAC values and the corresponding
ISET, VSET, and VOUT values.
Layout Information
Use the following guidelines for good layout:
1) Place the VCOM buffer and the R1/R2 voltage-
divider close to the OUT pin (Figure 2).
2) Place RSET close to SET.
3) Bypass VDD and AVDD with 0.1F capacitors
placed close to the IC with short connections to the
pins.
4) Refer to the MAX8738 evaluation kit for an example
of proper board layout.
Chip Information
TRANSISTOR COUNT: 6198
PROCESS: BiCMOS
EEPROM-Programmable TFT VCOM
Calibrator with I2C Interface
12
______________________________________________________________________________________
BYTE
FUNCTION
FIGURE
00h
Decrement the DAC setting by 1 LSB
8A
FFh
Increment the DAC setting by 1 LSB
8A
AAh
Write the current DAC setting to EEPROM
8A
55h
Load the EEPROM setting to the DAC
8A
11h
Write a specific value to the DAC
8B
Table 1. Command Byte Functions
DAC VALUE
ISET
VSET (V)
VOUT (V)
FFh
ISET(MAX)
VSET(MAX)
VMIN
FEh
ISET(MAX) -
1 LSB
VSET(MAX) -
1 LSB
VMIN +
1 LSB
.
01h
ISET(MIN) +
1 LSB
VSET(MIN) +
1 LSB
VMAX -
1 LSB
00h
ISET(MIN)
VSET(MIN)
VMAX
Table 2. DAC Settings
SET DAC VALUE (11H)
SLAVE ADDRESS
S
P
(A) FOR THE 00H, FFH, AAH, AND 55H COMMANDS
(B) FOR THE DAC INITIAL VALUE-SETTING COMMAND
DAC VALUE
COMMAND BYTE
SLAVE ADDRESS
S
P
START
ACK
STOP
Figure 8. I2C Bus Data Transfer Summary
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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
MAX8739ETP+ 功能描述:LCD 驱动器 TFT LCD DC/DC Converter 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+T 功能描述:LCD 驱动器 TFT LCD DC/DC Converter 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-T 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT