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參數(shù)資料
| 型號： | ISL26710IRTZ-T |
| 廠商： | Intersil |
| 文件頁數(shù)： | 6/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 10BIT SAR 1MSPS 8-TDFN |
| 標(biāo)準(zhǔn)包裝： | 6,000 |
| 位數(shù)： | 10 |
| 采樣率（每秒）： | 1M |
| 數(shù)據(jù)接口： | 串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 8.5mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-WDFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 8-TDFN（3x3） |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 1 個差分，單極 |
ISL26712, ISL26710, ISL26708
14
FN7999.3
September 5, 2012
Voltage Reference Input
An external low-noise reference voltage must be applied to the
VREF pin to set the full-scale input range of the converter. The
reference input accepts voltages ranging from 0.1V to 2.2V for 3V
operation and 0.1V to 3.5V for 5V operation. The device is
specified with a reference voltage of 2.5V for 5V operation and
2.0V for 3V operation.
for the ISL267440/ISL26750A or ISL267817. Figure 30 uses the
precision ISL21090 voltage reference which exhibits
exceptionally low drift and low noise. The ISL21090 must use a
power supply greater than 4.7V. The VREF input pin of the
ISL267XX devices uses very low current, so the decoupling
capacitor can be small (0.1F).
Figure 31 illustrates the ISL21010 voltage reference being used
with these ADCs. The ISL21010 series voltage references have
higher noise and drift than the ISL26090 devices, but they
consume very low operating current and are excellent for
battery-powered applications.
FIGURE 27. RELATIONSHIP BETWEEN VREF AND FULL-SCALE
RANGE
3.0
5.0
2.0
1.0
4.0
AIN+
AIN–
VCM
2.0VP-P
VREF=2V
3.0
5.0
2.0
1.0
4.0
AIN+
AIN–
VCM
2.5VP-P
VREF=2.5V
t
V
t
V
FIGURE 28. RELATIONSHIP BETWEEN VREF AND VCM FOR VDD = 5V
3.0
5.0
2.0
1.0
4.0
VREF
VCM
0.5
1.0
1.5
2.0
2.5
3.0
3.5
3.25V
1.75V
4.25V
FIGURE 29. RELATIONSHIP BETWEEN VREF AND VCM FOR VDD = 3V
1.5
2.0
1.0
0.5
VREF
VCM
0.25 0.50 0.75 1.00
2.5
2.00
1.25 1.50 1.75
3.0
1.0V
2.0V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL26710IRTZ-T7A | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10 BIT 1MSPS SAR ADC IN 8LD 3x3 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 |
| ISL26712 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:12-Bit, 10-Bit and 8-Bit, 1MSPS SAR ADCs |
| ISL2671286 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:12-Bit, 20kSPS SAR ADC |
| ISL2671286IBZ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 BIT SINGLE ENDED 20KHZ SAR ADC 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 |
| ISL2671286IBZ-T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 BIT SINGLE ENDED 20KHZ SAR ADC 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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