参数资料
| 型号： | MAX1104EUA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/17页 |
| 文件大小： | 0K |
| 描述： | IC CODEC 8BIT 8-UMAX |
| 标准包装： | 50 |
| 类型： | 通用 |
| 数据接口： | * |
| 分辨率（位）： | 8 b |
| ADC / DAC 数量： | 1 / 1 |
| 三角积分调变： | 无 |
| 动态范围，标准 ADC / DAC (db)： | 59 / 55 |
| 电压 - 电源，模拟： | 2.7 V ~ 5.5 V |
| 电压 - 电源，数字： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 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 |
MAX1102/MAX1103/MAX1104
Configuring the ADC
When configuring the ADC immediately following
power-up, the first control word enables the ADC and
sets the T/H to track mode. Then wait 200s for the
internal reference to stablize (3s typical from standby
mode). Finally, the second control word sets the ADC
into either single or continuous mode and causes con-
version to take place.
Conversion Modes
The MAX1102/MAX1103/MAX1104 have two conver-
sion modes, single and continuous.
In single conversion mode (C0 = 0), a control word
must be written before an ADC conversion result can
be read, or DAC input data is accepted. Once a con-
version has occurred, the device will ignore any input
until a new control word is written. Figures 5 and 6
show the DAC and ADC single conversion mode timing
diagrams.
In continuous conversion mode (C0 = 1), the device
maintains its configuration from a single control word,
and continuously updates the ADC conversion result,
or accepts new DAC input data.
When operating the ADC and DAC simultaneously,
both converters must be in the same conversion mode.
ADC Single Conversion Mode
Set C0 = 0 to select single conversion mode. The
falling edge of SCLK after the eighth bit of each control
word causes the ADC to switch from track to hold
mode and begin conversion. To avoid corruption of the
conversion result, SCLK must be disabled for 36s
(Figure 6). After completing the conversion, the ADC
automatically returns to track mode, and the next eight
clock cycles shift out the result on DOUT.
A minimum of 3.5s in track mode is required for com-
plete acquisition.
8-Bit CODECs
12
______________________________________________________________________________________
SCLK
S
DAC
ADDR
DAC ON
S
DAC
ADDR
DAC ON
S
DAC
ADDR
DAC ON
S
DAC
ADDR
DAC ON
S
DAC
ADDR
DAC OFF
DAC
DATA
DAC
DATA
DAC
DATA
DAC
DATA
DAC
DATA
DIN
OUT
NOTE: "S" DENOTES THE BEGINNING OF A CONTROL WORD
CS
Figure 5. DAC Single Conversion Mode Timing Diagram
SCLK
AIN
DOUT
MSB
1
2
3
4
tCONV
LSB
ACQUISITION MODE
ACQUISITION
MODE
MSB LSB
CS
SS
ADC
ADDR
ADC ON
S
ADC
ADDR
ADC ON
S
ADC
ADDR
ADC ON
S
ADC
ADDR
ADC ON
S
ADC
ADDR
ADC OFF
ADC
ON
CONVERSION
RESULT FOR 1
CONVERSION
RESULT FOR 2
CONVERSION
RESULT FOR 3
CONVERSION
RESULT FOR 4
S
ADC
ON
DIN
Figure 6. ADC Single Conversion Mode Timing Diagram
相关PDF资料 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1104EUA+ | 功能描述:ADC / DAC多通道 8-Bit CODEC RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
| MAX1104EUA+T | 功能描述:ADC / DAC多通道 8-Bit CODEC RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
| MAX1104EUA+TW | 功能描述:ADC / DAC多通道 8-Bit CODEC +2.7V to +5.5V Single Supply RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
| MAX1104EUA+W | 功能描述:ADC / DAC多通道 8-Bit CODEC +2.7V to +5.5V Single Supply RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40 |
| MAX11054 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCs |
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