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| 型号： | MAX157AEPA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/16页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT 108KSPS 2CH 8-DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 位数： | 10 |
| 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）： | 727mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
| 输入数目和类型： | 2 个单端，单极 |
star-point (Figure 11) connecting the two ground sys-
tems (analog and digital). For lowest-noise operation,
ensure the ground return to the star ground’s power
supply is low impedance and as short as possible.
Route digital signals far away from sensitive analog and
reference inputs.
High-frequency noise in the power supply (VDD) could
influence the proper operation of the ADC’s fast com-
parator. Bypass VDD to the star ground with a network
of two parallel capacitors, 0.1F and 1F, located as
close as possible to the power supply pin of the
MAX157/MAX159. Minimize capacitor lead length for
best supply-noise rejection and add an attenuation
resistor (10
) if the power supply is extremely noisy.
MAX157/MAX159
+2.7V, Low-Power, 2-Channel,
108ksps, Serial 10-Bit ADCs in 8-Pin MAX
______________________________________________________________________________________
13
SCK
SDI
GND
I/O
SCLK
DOUT
CS/SHDN
VDD
MAX157
MAX159
PIC16/PIC17
CHID
D9
D8
D7
D6
1
2
3
4
5
6
7
8
9
10
11
121314
15
16
D5
D4
D3
D2
D1
HIGH-Z
DOUT*
CS/SHDN
SCLK
1ST BYTE READ
2ND BYTE READ
SAMPLING INSTANT
*WHEN CS/SHDN IS HIGH, DOUT = HIGH - Z
MSB
LSB
D0
S1
S0
Figure 10b. SPI Interface Timing Sequence with PIC16/17 in Master Mode (CKE = 1, CKP = 0, SMP = 0, SSPM3–SSPM0 = 0001)
Figure 10a. SPI Interface Connection for a PIC16/PIC17
Controller
CHID
D9
D8
D7
D6
1
2
3
4
5
6
7
8
9
10
11
121314
15
16
D5
D4
D3
D2
D1
HIGH-Z
DOUT
CS/SHDN
SCLK
SAMPLING INSTANT
*WHEN CS/SHDN IS HIGH, DOUT = HIGH - Z
MSB
LSB
D0
S1
S0
Figure 9b. QSPI Interface Timing Sequence (CPOL = CPHA = 0)
+3V
GND
+3V
POWER SUPPLIES
DGND
+3V
GND
VDD
DIGITAL
CIRCUITRY
MAX157
MAX159
R* = 10
1
F
0.1
F
* OPTIONAL FILTER RESISTOR
Figure 11. Power-Supply Bypassing and Grounding
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX157AEPA+ | 功能描述:模数转换器 - ADC 10-Bit 2Ch 108ksps 5.25V 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 |
| MAX157AEUA | 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 |
| MAX157AEUA+ | 功能描述:模数转换器 - ADC 10-Bit 2Ch 108ksps 5.25V 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 |
| MAX157AEUA+T | 功能描述:模数转换器 - ADC 10-Bit 2Ch 108ksps 5.25V 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 |
| MAX157AEUA-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 |
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