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| 型号： | ADS8361EVM |
| 厂商： | Texas Instruments |
| 文件页数： | 3/29页 |
| 文件大小： | 0K |
| 描述： | EVAL MOD FOR ADS8361 |
| 产品培训模块： | Data Converter Basics |
| 标准包装： | 1 |
| ADC 的数量： | 2 |
| 位数： | 16 |
| 采样率（每秒）： | 500k |
| 数据接口： | 串行 |
| 输入范围： | 0 ~ 5 V |
| 在以下条件下的电源（标准）： | 150mW @ 500kSPS |
| 工作温度： | -40°C ~ 125°C |
| 已用 IC / 零件： | ADS8361 |
| 已供物品： | 板 |
| 产品目录页面： | 893 (CN2011-ZH PDF) |
| 相关产品： | ADS8361IRHBTG4-ND - IC ADC DUAL 16BIT 500KSPS 32VQFN ADS8361IRHBRG4-ND - IC ADC DUAL 16BIT 500KSPS 32VQFN ADS8361IRHBR-ND - IC ADC DUAL 16BIT 500KSPS 32VQFN ADS8361IDBQRG4-ND - IC ADC DUAL 16BIT 500KSPS 24QSOP ADS8361IDBQR-ND - IC ADC DUAL 16BIT 500KSPS 24QSOP ADS8361IDBQG4-ND - IC ADC DUAL 16BIT 500KSPS 24QSOP 296-17411-6-ND - IC ADC DUAL 16BIT 500KSPS 32VQFN 296-17411-1-ND - IC ADC DUAL 16BIT 500KSPS 32VQFN 296-17411-2-ND - IC ADC DUAL 16BIT 500KSPS 32VQFN 296-13812-5-ND - IC ADC DUAL 16BIT 500KSPS 24QSOP |
| 其它名称： | 296-19922 ADS8361EVM-ND |
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ADS8361
11
SBAS230E
www.ti.com
FIGURE 3.Single-Ended Input: Common-Mode Voltage
Range vs VREF.
FIGURE 2. Using the ADS8361 in the Single-Ended and Differential Input Modes.
FIGURE 4. Differential Input: Common-Mode Voltage
Range vs VREF.
In each case, care should be taken to ensure that the output
impedance of the sources driving the +IN and –IN inputs are
matched. Otherwise, this may result in offset error, gain error,
and linearity error which will change with both temperature
and input voltage.
The input current on the analog inputs depend on a number
of factors: sample rate, input voltage, and source impedance.
Essentially, the current into the ADS8361 charges the inter-
nal capacitor array during the sampling period. After this
capacitance has been fully charged, there is no further input
current. The source of the analog input voltage must be able
to charge the input capacitance (25pF) to a 16-bit settling
level within 4 clock cycles. When the converter goes into the
hold mode, the input impedance is greater than 1GΩ.
Care must be taken regarding the absolute analog input
voltage. The +IN and –IN inputs should always remain within
the range of AGND – 0.3V to AVDD + 0.3V.
CM + VREF
+VREF
–VREF
Single-Ended Inputs
t
+IN
CM Voltage
CM – VREF
CM + 1/2 VREF
Differential Inputs
NOTES: Common-Mode Voltage (Differential Mode) =
, Common-Mode Voltage (Single-Ended Mode) = IN–.
(+IN) + (–IN)
2
The maximum differential voltage between +IN and –IN of the ADS8361 is VREF. See Figures 3 and 4 for a further
explanation of the common voltage range for single-ended and differential inputs.
t
+IN
–IN
CM Voltage
CM – 1/2 VREF
–IN = CM Voltage
+VREF
–VREF
1.0
1.2
2.0
2.5
2.6
3.0
VREF (V)
Common
Voltage
Range
(V)
–1
0
1
2
3
4
5
2.7
2.3
4.1
0.9
AVDD = 5V
Single-Ended Input
1.0
1.2
2.0
2.5
2.6
3.0
VREF (V)
Common
Voltage
Range
(V)
–1
0
1
2
3
4
5
4.7
0.3
AVDD = 5V
4.0
1.0
Differential Input
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADS8361IBDBQ | 制造商:Rochester Electronics LLC 功能描述:DUAL 250KHZ-16 BIT, 2+2 CHANNEL - Bulk 制造商:Texas Instruments 功能描述:DUAL 250KHZ-16 BIT, 2+2 CHANNEL - Rail/Tube |
| ADS8361IBDBQR | 制造商:Texas Instruments 功能描述:DUAL 250KHZ-16 BIT, 2+2 CHANNEL - Tape and Reel |
| ADS8361IDBQ | 功能描述:模数转换器 - ADC 16-Bit 500 kSPS 2 ADC 4ch ser out 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 |
| ADS8361IDBQG4 | 功能描述:模数转换器 - ADC 16-Bit 500 kSPS 2 ADC 4ch ser out 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 |
| ADS8361IDBQR | 功能描述:模数转换器 - ADC 16-Bit 500 kSPS 2 ADC 4ch ser out 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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