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参数资料
| 型号： | MAX196BMYI |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | Multirange, Single %V, 12-Bit DAS with 12-Bit Bus Interface |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, CDIP28 |
| 封装： | 0.600 INCH, SIDE BRAZED, CERAMIC, DIP-28 |
| 文件页数： | 11/16页 |
| 文件大小： | 165K |
| 代理商： | MAX196BMYI |
Cloc k Modes
The MAX196/MAX198 operate with either an internal or
an external clock. Control bits (D6, D7) select either
internal or external clock mode. Once the desired clock
mode is selected, changing these bits to program
power-down will not affect the clock mode. In each
mode, internal or external acquisition can be used. At
power-up, external clock mode is selected.
Internal Clock Mode
Select internal clock mode to free the μP from the
burden of running the SAR conversion clock. To select
this mode, write the control byte with D7 = 0 and D6 =
1. A 100pF capacitor between the CLK pin and ground
sets this frequency to 1.56MHz nominal. Figure 7
shows a linear relationship between the internal clock
period and the value of the external capacitor used.
External Clock Mode
Select external clock mode by writing the control byte
with D7 = 0 and D6 = 0. Figure 8 shows CLK and WR
timing relationships in internal and external acquisition
modes, with an external clock. A 100kHz to 2.0MHz
external clock with 45% to 55% duty cycle is required for
proper operation. Operating at clock frequencies lower
than 100kHz will cause a voltage droop across the hold
capacitor, and subsequently degrade performance.
M
Multirange, S ingle +5V, 12-Bit DAS
with 12-Bit Bus Interfac e
______________________________________________________________________________________
11
t
CS
t
CSWS
t
WR
t
ACQI
t
CONV
t
DH
t
DS
t
INT1
t
D0
t
TR
t
CSHW
t
CSRS
t
CSRH
ACQMOD = "1"
CS
WR
D7–D0
INT
RD
DOUT
ACQMOD = "0"
DATA VALID
CBYTE
CBYTE
Figure 6. Conversion Timing Using External Acquisition Mode
2000
0
0
50
250
350
500
CLOCK PIN CAPACITANCE (pF)
I
100 150 200
300
1500
1000
Figure 7. Internal Clock Period vs. Clock Pin Capacitance
相关PDF资料 |
PDF描述 |
|---|---|
| MAX198BMYI | Multirange, Single %V, 12-Bit DAS with 12-Bit Bus Interface |
| MAX1961EEP | 2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining |
| MAX1960 | 2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining |
| MAX1960EEP | 2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining |
| MAX1961 | 2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX196EVKIT-DIP | 功能描述:数据转换 IC 开发工具 Programmers, Development Systems RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| MAX19700ETM | 功能描述:ADC / DAC多通道 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 |
| MAX19700ETM+ | 功能描述:ADC / DAC多通道 7.5Msps CODEC/AFE 1.8/2.7-3.3V 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 |
| MAX19700ETM+T | 功能描述:ADC / DAC多通道 7.5Msps CODEC/AFE 1.8/2.7-3.3V 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 |
| MAX19700ETM-T | 功能描述:ADC / DAC多通道 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 |
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