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参数资料
| 型号： | MAX192BEAP+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/24页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT SERIAL 20-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 66 |
| 类型： | 数据采集系统（DAS），ADC |
| 分辨率（位）： | 10 b |
| 采样率（每秒）： | 133k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 电压电源： | 单电源 |
| 电源电压： | ±5V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 20-SSOP |
| 包装： | 管件 |
| 产品目录页面： | 1393 (CN2011-ZH PDF) |
MAX192
Low-Power, 8-Channel,
Serial 10-Bit ADC
12
______________________________________________________________________________________
SSTRB
CS
SCLK
DIN
DOUT
1
4
8
12
16
20
24
START SEL2 SEL1 SEL0
UNI/
BIP
SGL/
DIF
PD1
PD0
B9
MSB
B8
B7
B6
B5
B4
B3
B2
B1
B0
LSB
S1
SO
ACQUISITION
1.5s (CLK = 2MHz)
IDLE
FILLED WITH
ZEROS
IDLE
CONVERSION
tACQ
A/D STATE
RB1
RB2
RB3
RB2
RB3
CS
SCLK
DIN
DOUT
tCSH
tCSS
tCL
tDS
tDH
tDV
tCH
tDO
tTR
tCSH
Figure 6. 24-Bit External Clock Mode Conversion Timing (SPI, QSPI and Microwire Compatible)
Figure 7. Detailed Serial-Interface Timing
Pulling CS high prevents data from being clocked into
the MAX192 and three-states DOUT, but it does not
adversely affect an internal clock-mode conversion
already in progress. When internal clock mode is
selected, SSTRB does not go into a high-impedance
state when CS goes high.
Figure 10 shows the SSTRB timing in internal clock
mode. In internal clock mode, data can be shifted in
and out of the MAX192 at clock rates exceeding
4.0MHz, provided that the minimum acquisition time,
tAZ, is kept above 1.5s.
Data Framing
The falling edge of CS does not start a conversion on
the MAX192. The first logic high clocked into DIN is inter-
preted as a start bit and defines the first bit of the control
byte. A conversion starts on the falling edge of SCLK,
after the eighth bit of the control byte (the PD0 bit) is
clocked into DIN. The start bit is defined as:
The first high bit clocked into DIN with CS low any-
time the converter is idle, e.g. after VDD is applied.
OR
The first high bit clocked into DIN after bit 3 of a
conversion in progress is clocked onto the DOUT pin.
If a falling edge on CS forces a start bit before bit 3
(B3) becomes available, then the current conversion
will be terminated and a new one started. Thus, the
fastest the MAX192 can run is 15 clocks per conver-
sion. Figure 11a shows the serial-interface timing nec-
essary to perform a conversion every 15 SCLK cycles
in external clock mode. If CS is low and SCLK is contin-
uous, guarantee a start bit by first clocking in 16 zeros.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX192BEAP+ | 功能描述:模数转换器 - ADC 10-Bit 8Ch 133ksps 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 |
| MAX192BEAP+T | 功能描述:模数转换器 - ADC 10-Bit 8Ch 133ksps 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 |
| MAX192BEAP-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 |
| MAX192BEPP | 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 |
| MAX192BEPP+ | 功能描述:模数转换器 - ADC 10-Bit 8Ch 133ksps 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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