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參數(shù)資料
| 型號： | ISL26708IRTZ-T |
| 廠商： | Intersil |
| 文件頁數(shù)： | 7/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 8BIT SAR 1MSPS 8-TDFN |
| 標(biāo)準(zhǔn)包裝： | 6,000 |
| 位數(shù)： | 8 |
| 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
15
FN7999.3
September 5, 2012
Converter Operation
The ISL26712, ISL26710 and ISL26708 are designed to
minimize power consumption by only powering up the SAR
comparator during conversion time. When the converter is in
track mode (its sample capacitors are tracking the input signal)
the SAR comparator is powered down. The state of the converter
is dictated by the logic state of CS. When CS is high the SAR
comparator is powered down while the sampling capacitor array
is tracking the input. When CS transitions low, the capacitor array
immediately captures the analog signal that is being tracked.
After CS is taken low, the SCLK pin is toggled 16 times. For the
first 3 clocks, the comparator is powered up and auto-zeroed,
then the SAR decision process is begun. This process uses 12
SCLK cycles for the 12-bit ISL26712. Each SAR decision is
presented to the SDATA output on the next clock cycle after the
SAR decision is performed. The SAR process (12 bits) is
completed on SCLK cycle 15. At this point in time, the SAR
comparator is powered down and the capacitor array is placed
back into Track mode. The last SAR comparator decision is
output from SDATA on the 16th SCLK cycle. When the last data
bit is output from SDATA the output switches to a logic 0 until CS
is taken high, at which time, the SDATA output enters a High-Z
state.
The ISL26710 and ISL26708 will take fewer clock cycles for their
SAR decisions and will output fewer data bits. The extra bits
following the output of the LSB will be logic zeroes.
10- and 8-bit converters respectively.
FIGURE 30. PRECISION VOLTAGE REFERENCE FOR +5V SUPPLY
1
2
3
4
8
7
6
5
DNC
VIN
COMP
GND
DNC
VOUT
TRIM
0.1F
VDD
0.1F
2.5V
VREF
0.1F
BULK
+
5V
ISL21090
ISL267440
ISL267450A
FIGURE 31. VOLTAGE REFERENCE FOR +2.7V TO +3.6V, OR FOR +5V SUPPLY
ISL267817
VDD
0.1F
VREF
0.1F
BULK
+
+2.7V TO +3.6V
ISL21010
GND
VIN
VOUT
1
2
3
0.1F
1.25, 2.048 OR 2.5V
OR +5V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL26708IRTZ-T7A | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 08 BIT 1MSPS 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 |
| ISL26710 | 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 |
| ISL26710IHZ-T | 功能描述:IC ADC 10BIT SPI/SRL 1M 8-SOT-23 RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:250 系列:- 位數(shù):12 采樣率（每秒）:1.8M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:1.82W 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-LQFP 供應(yīng)商設(shè)備封裝:48-LQFP（7x7） 包裝:管件 輸入數(shù)目和類型:2 個單端，單極 |
| ISL26710IHZ-T7A | 功能描述:IC ADC 10BIT SPI/SRL 1M 8SOT-23 RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):10 采樣率（每秒）:357k 數(shù)據(jù)接口:DSP，MICROWIRE?，QSPI?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:830µW 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:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:剪切帶 (CT) 輸入數(shù)目和類型:2 個單端，單極；2 個單端，雙極；1 個差分，單極；1 個差分，雙極 產(chǎn)品目錄頁面:1396 (CN2011-ZH PDF) 其它名稱:MAX1395ETB+TCT |
| ISL26710IRTZ | 功能描述:IC ADC 10BIT SAR 1MSPS 8-TDFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:250 系列:- 位數(shù):12 采樣率（每秒）:1.8M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:1.82W 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-LQFP 供應(yīng)商設(shè)備封裝:48-LQFP（7x7） 包裝:管件 輸入數(shù)目和類型:2 個單端，單極 |
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