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参数资料
| 型号： | MAX194BCWE |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | 14-Bit, 85ksps ADC with 10A Shutdown |
| 中文描述： | 1-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| 封装： | SO-16 |
| 文件页数： | 10/24页 |
| 文件大小： | 223K |
| 代理商： | MAX194BCWE |
M
mum (1.7MHz), reading the data after each conversion
(during the acquisition time) results in lower throughput
(about 70ksps max) than reading the data during con-
versions, because it takes longer than the minimum
input acquisition time (four cycles at 1.7MHz) to clock
16 data bits at 5Mbps. After the data has been clocked
in, leave some time (about 1μs) for any coupled noise
on AIN to settle before beginning the next conversion.
Whichever method is chosen for reading the data, con-
versions can be individually initiated by bringing
CONV
low, or they can occur continuously by connecting
EOC
to
CONV
. Figure 8 shows the MAX194 in its simplest
operational configuration.
14-Bit, 85ksps ADC with 10μA S hutdown
10
______________________________________________________________________________________
EOC
CS
SCLK
(CASE 1)
SCLK
(CASE 2)
CASE 1: SCLK IDLES LOW, DATA LATCHED ON RISING EDGE (CPOL = 0, CPHA = 0)
CASE 2: SCLK IDLES LOW, DATA LATCHED ON FALLING EDGE (CPOL = 0, CPHA = 1)
CASE 3: SCLK IDLES HIGH, DATA LATCHED ON FALLING EDGE (CPOL = 1, CPHA = 0)
NOTE: ARROWS ON SCLK TRANSITIONS INDICATE LATCHING EDGE
DOUT
SCLK
(CASE 3)
t
CONV
t
DH
t
SD
t
DV
MSB
LSB
SUB-LSBs
B13
B12
B11
B10
B1
B0
S1
S0
B9
t
CSS
t
CSH
MAX194
10
μ
F
BP/UP/SHDN
CLK
SCLK
VDDD
DOUT
DGND
REFERENCE (0V TOVDDA)
ANALOG INPUT
-5V
EOC
CS
VDDA
VSSA
AGND
AIN
CONVERSION CLOCK
+5V
REF
VSSD
RESET
CONV
0.1
μ
F
10
μ
F
0.1
μ
F
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Figure 7. Output Data Format, Reading Data Between Conversions (Mode 2)
Figure 8. MAX194 in the Simplest Operating Configuration
相关PDF资料 |
PDF描述 |
|---|---|
| MAX194BCPE | 14-Bit, 85ksps ADC with 10A Shutdown |
| MAX194ACWE | 14-Bit, 85ksps ADC with 10A Shutdown |
| MAX194AEPE | Fixed-Point Digital Signal Processor 532-FCBGA |
| MAX194AMDE | 14-Bit, 85ksps ADC with 10A Shutdown |
| MAX194BEPE | Fixed-Point Digital Signal Processor 532-FCBGA |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX194BCWE+ | 功能描述:模数转换器 - ADC 14Bit 85ksps 5V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX194BCWE+T | 功能描述:模数转换器 - ADC 14Bit 85ksps 5V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX194BCWE-T | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX194BEPE | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX194BEPE+ | 功能描述:模数转换器 - ADC 14Bit 85ksps 5V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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