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参数资料
| 型号： | MAX145ACUA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 108KSPS 8-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 位数： | 12 |
| 采样率（每秒）： | 108k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 330mW |
| 电压电源： | 单电源 |
| 工作温度： | 0°C ~ 70°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： | 带卷 (TR) |
| 输入数目和类型： | 1 个伪差分，单极 |
DOUT valid timing characteristic. Data should be
clocked into the P on SCLK’s rising edge.
4) Pull CS/SHDN high at or after the 16th falling clock
edge. If CS/SHDN remains low, trailing zeros will be
clocked out after the LSB.
5) With CS/SHDN high, wait at least 60ns (tCS) before
starting a new conversion by pulling CS/SHDN low.
A conversion can be aborted by pulling CS/SHDN
high before the conversion ends; wait at least 60ns
before starting a new conversion.
Data can be output in two 8-bit sequences or continu-
ously. The bytes will contain the result of the conversion
padded with three leading ones and the channel identi-
fication before the MSB. If the serial clock hasn’t been
idled after the last LSB and CS/SHDN is kept low,
DOUT sends trailing zeros.
SPI and MICROWIRE Interface
When using SPI (Figure 8a) or MICROWIRE (Figure 8b)
interfaces, set CPOL = 0 and CPHA = 0. Conversion
begins with a falling edge on CS/SHDN (Figure 8c).
Two consecutive 8-bit readings are necessary to obtain
the entire 12-bit result from the ADC. DOUT data transi-
tions on the serial clock’s falling edge and is clocked
into the P on SCLK’s rising edge. The first 8-bit data
stream contains three leading ones, the channel identi-
MAX144/MAX145
+2.7V, Low-Power, 2-Channel, 108ksps,
Serial 12-Bit ADCs in 8-Pin MAX
______________________________________________________________________________________
11
CS/SHDN
SCLK
DOUT
tCL
tDV
tCH
tSCLKS
HIGH-Z
tCS
tDO
tTR
Figure 7. Detailed Serial-Interface Timing Sequence
MAX144
MAX145
CS/SHDN
SCLK
DOUT
I/O
SK
SI
MICROWIRE
CS/SHDN
SCLK
DOUT
I/O
SCK
MISO
VDD
SS
MAX144
MAX145
SPI
Figure 8a. SPI Connections
8b. MICROWIRE Connections
CHID
D11
D10
D9
D8
1
2
3
4
5
6
7
8
9
10
11
121314
15
16
D7
D6
D5
D4
D3
HIGH-Z
DOUT*
CS/SHDN
SCLK
1ST BYTE READ
2ND BYTE READ
SAMPLING INSTANT
*WHEN CS/SHDN IS HIGH, DOUT = HIGH-Z
MSB
LSB
D2
D1
D0
Figure 8c. SPI/MICROWIRE Interface Timing Sequence (CPOL = CPHA = 0)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX145AEPA | 功能描述:模数转换器 - ADC Integrated Circuits (ICs) 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 |
| MAX145AEPA+ | 功能描述:模数转换器 - ADC 12-Bit 108ksps 5.25V High Speed 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 |
| MAX145AEUA | 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 |
| MAX145AEUA+ | 功能描述:模数转换器 - ADC 12-Bit 108ksps 5.25V High Speed 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 |
| MAX145AEUA+T | 功能描述:模数转换器 - ADC 12-Bit 108ksps 5.25V High Speed 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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