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参数资料
| 型号： | MAX195BCWE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/28页 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT 85KSPS 16-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 位数： | 16 |
| 采样率（每秒）： | 85k |
| 数据接口： | QSPI?，串行，SPI? |
| 转换器数目： | 2 |
| 功率耗散（最大）： | 80mW |
| 电压电源： | 模拟和数字，双 ± |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 1 个单端，单极；1 个单端，双极 |
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MAX195
Data is clocked out on SCLK’s falling edge. Clock
data in on SCLK’s rising edge or, for clock speeds
above 2.5MHz, on the following falling edge to meet
the maximum SCLK-to-DOUT timing specification
(Figure 7). The maximum SCLK speed is 5MHz. See
the
Operating Modes and SPI/QSPI Interfaces section
for additional information. When the conversion clock
is near its maximum (1.7MHz), reading the data after
each conversion (during the acquisition time) results
in lower throughput (about 70ksps max) than reading
the data during conversions, 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
1s) 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 MAX195 in its simplest
operational configuration.
16-Bit, 85ksps ADC with 10A Shutdown
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)
tCONV
tDH
tSD
tDV
MSB
LSB
B15
B14
B13
B12
B3
B2
B1
B0
B11
tCSS
tCSH
MAX195
10
F
BP/UP/
SHDN
CLK
SCLK
VDDD
DOUT
DGND
REFERENCE
(0V TO VDDA)
ANALOG
INPUT
-5V
EOC
CS
VDDA
VSSA
AGND
AIN
CONVERSION
CLOCK
+5V
REF
VSSD
RESET
CONV
0.1
F
10
F
0.1
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. MAX195 in the Simplest Operating Configuration
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX195BEPE | 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 |
| MAX195BEPE+ | 功能描述:模数转换器 - ADC 16-Bit 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 |
| MAX195BEPE+T | 制造商:Maxim Integrated Products 功能描述:16-BIT, 85KSPS ADC WITH 10?A SHUTDOWN - Tape and Reel |
| MAX195BEWE | 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 |
| MAX195BEWE+ | 功能描述:模数转换器 - ADC 16-Bit 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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