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參數(shù)資料
| 型號： | ADS8361IRHBT |
| 廠商： | Texas Instruments |
| 文件頁數(shù)： | 3/29頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC DUAL 16BIT 500KSPS 32VQFN |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Basics |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 500k |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 功率耗散（最大）： | 200mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 32-QFN 裸露焊盤（5x5） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 輸入數(shù)目和類型： | 8 個(gè)單端，雙極；4 個(gè)差分，雙極 |
| 配用： | 296-19922-ND - EVAL MOD FOR ADS8361 |
| 其它名稱： | 296-17411-6 |
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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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS8361IRHBTG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 500 kSPS 2 ADC 4ch ser out RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS8363 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Dual, 1MSPS, 16-/14-/12-Bit, 4x2 or 2x2 Channel, Simultaneous Sampling Analog-to-Digital Converter |
| ADS8363EVM | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS8363 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| ADS8363SRHBR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16B 1MSPS 4x2/2x2 Simu Sampling SAR RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS8363SRHBT | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16B 1MSPS 4x2/2x2 Simu Sampling SAR RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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