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參數(shù)資料
| 型號(hào)： | ISL267450AIUZ |
| 廠商： | Intersil |
| 文件頁數(shù)： | 6/18頁 |
| 文件大小： | 0K |
| 描述： | IC INTERFACE |
| 標(biāo)準(zhǔn)包裝： | 980 |
| 系列： | * |
ISL267440, ISL267450A
14
FN7708.2
June 28, 2012
Power vs Throughput Rate
The ISL267440 and ISL267450A provide reduced power
consumption at lower conversion rates by automatically
switching into a low-power mode after completing a conversion.
The average power consumption of the ADC decreases at lower
throughput rates. Figure 31 shows the typical power
consumption over a wide range of throughput rates.
Serial Digital Interface
Conversion data is accessed with an SPI-compatible serial
interface. The interface consists of the serial clock (SCLK), serial
data output (SDATA), and chip select (CS).
The serial interface is designed around using 16 SCLK cycles to
perform an autozero on the SAR comparator and additional SCLK
cycles for SAR comparator decisions (12 SLCKs in the 12-bit
device, 10 SCLKs in the 10-bit device, and 8 SCLKs in the 8-bit
device). If short cycling is not used, all converter throughput
cycles take 16 SCLKs. The SDATA output goes low after the last
conversion decision has been presented to the SDATA output, as
FIGURE 29. ISL267450A SYSTEM TIMING
FIGURE 30. ISL267440 SYSTEM TIMING
FIGURE 31. POWER CONSUMPTION vs THROUGHPUT RATE
0.01
0.1
1
10
100
0
50
100
150
200
250
300
350
THROUGHPUT (Ksps)
P
O
WER
(mW)
VDD = 3V
VDD = 5V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL267450AIUZ-T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 BIT 1MSPS SAR ADC 8LD 3 X 3 PROPRIETRY 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 |
| ISL267450AIUZ-T7A | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 BIT 1MSPS SAR ADC 8LD 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 |
| ISL267450IBZ | 制造商:Intersil Corporation 功能描述:12 BIT 1MSPS SAR ADC, 8 LD SOIC - Rail/Tube 制造商:Intersil Corporation 功能描述:IC ADC 12BIT SPI/SRL 1MSPS 8SOIC 制造商:Intersil 功能描述:12 Bit 1MSPS SAR ADC , 8 LD SOIC |
| ISL267450IBZ-T | 制造商:Intersil Corporation 功能描述:12 BIT 1MSPS SAR ADC, 8 LD SOIC, T&R - Tape and Reel 制造商:Intersil Corporation 功能描述:IC ADC 12BIT SPI/SRL 1MSPS 8SOIC 制造商:Intersil 功能描述:12 Bit 1MSPS SAR ADC , 8 LD SOIC, T&R |
| ISL267450IBZ-T7A | 制造商:Intersil Corporation 功能描述:12 BIT 1MSPS SAR ADC, 8 LD SOIC, 250PC REEL - Tape and Reel 制造商:Intersil Corporation 功能描述:IC ADC 12BIT SPI/SRL 1M 8-SOIC 制造商:INTERSIL 功能描述:ISL267450 Series 2.7 - 5.25 V 12 Bit 1 MSPS Single Channel ADC - SOIC-8 制造商:Intersil 功能描述:12 Bit 1MSPS SAR ADC , 8 LD SOIC, 250pc R |
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