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参数资料
| 型号： | MAX1202AEAP+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/24页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 8CH 20-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 66 |
| 位数： | 12 |
| 采样率（每秒）： | 133k |
| 数据接口： | MICROWIRE?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 640mW |
| 电压电源： | 双 ± |
| 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 |
| 输入数目和类型： | 8 个单端，单极；8 个单端，双极；4 个差分，单极；4 个差分，双极 |
MAX1202/MAX1203
5V, 8-Channel, Serial, 12-Bit ADCs
with 3V Digital Interface
______________________________________________________________________________________
15
Figure 9. Internal Clock Mode Timing
SSTRB
CS
SCLK
DIN
DOUT
14
8
12
18
20
24
START
SEL2 SEL1 SEL0
UNI/
BIP
SGL/
DIF
PD1
PD0
B11
MSB
B10
B9
B2
B1
B0
LSB
ACQUISITION
1.5s
(SCLK = 2MHz)
IDLE
FILLED WITH
ZEROS
IDLE
CONVERSION
10s MAX
ADC STATE
2
3
5
6
7
9
10
11
19
21
22
23
tCONV
Figure 10. Internal Clock Mode SSTRB Detailed Timing
PD0 CLOCK IN
tSSTRB
tCSH
tCONV
tSCK
SSTRB
SCLK
tCSS
NOTE: KEEP SCLK LOW DURING CONVERSION FOR BEST NOISE PERFORMANCE.
CS
conversion is started. Pulling CS high prevents data from
being clocked into the MAX1202/MAX1203 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 SSTRB timing in internal clock mode.
Data can be shifted in and out of the MAX1202/MAX1203
at clock rates up to 2.0MHz, if tACQ is kept above 1.5s.
Data Framing
CS’s falling edge does not start a conversion on the
MAX1202/MAX1203. The first logic high clocked into DIN
is interpreted as a start bit and defines the first bit of the
control byte. A conversion starts on SCLK’s falling edge
after the eighth bit of the control byte (the PD0 bit) is
clocked into DIN. The start bit is defined as one of the
following:
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 5 (B5) of a
conversion in progress appears at DOUT.
If a falling edge on CS forces a start bit before B5
becomes available, the current conversion is termi-
nated and a new one started. Thus, the fastest the
MAX1202/MAX1203 can run is 15 clocks/conversion.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1202AEAP+ | 功能描述:模数转换器 - ADC 12-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 |
| MAX1202AEAP+T | 功能描述:模数转换器 - ADC 12-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 |
| MAX1202AEAP-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 |
| MAX1202AEPP | 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 |
| MAX1202AEPP+ | 功能描述:模数转换器 - ADC 12-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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