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| 型號： | AS1526-BSOT |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | ADC |
| 英文描述： | 10-bit ADC 1-CH, 73ksps intRef; Package Type: SOIC-8 |
| 中文描述： | 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 17/20頁 |
| 文件大小： | 307K |
| 代理商： | AS1526-BSOT |
wwwams.com
Revision 1.4
17 - 20
AS1526/AS1527
Datasheet
- Application Information
Unlike the SPI interface, which requires two 1-byte reads to acquire the 10 data bits fromthe AS1526/AS1527, QSPI allows the mnimum
number of clock cycles necessary to clock in the data. The devices require 11 clock cycles fromthe mcroprocessor to clock out the 10 data bits
with no trailing zeros or 13 clock cycles fromthe mcroprocessor to clock out the 10 data bits and two sub-bits with no trailing zeros
(see Figure
36)
.
Note:
The maximumclock frequency to ensure compatibility with QSPI is 2.097MHz.
Figure 36. QSPI Serial Interface Timng (CPOL = CPHA = 0)
9.3 Layout Considerations
The AS1526/AS1527 require proper layout and design procedures for optimumperformance.
Use printed circuit boards; wirewrap boards should not be used.
Separate analog and digital traces fromeach other. Analog and digital traces should not run parallel to each other (especially clock traces).
Digital traces should not run beneath the AS1526/AS1527.
Use a single-point analog ground at GND, separate fromthe digital ground
(see Figure 37)
. Connect all other analog grounds and DGND to
this star ground point for further noise reduction. No other digital systemground should be connected to this single-point analog ground. The
ground return to the power supply for this ground should be low impedance and as short as possible for noise-free operation.
High-frequency noise in the V
DD
power supply may affect the AS1526/AS1527 high-speed comparator. Bypass this supply to the single-
point analog ground with 0.1μF and 4.7μF bypass capacitors
(see Figure 37)
. The bypass capacitors should be placed as close to the
device as possible for optimumpower supply noise-rejection. If the power supply is very noisy, a 10
Ω
resistor can be connected as a low-
pass filter to attenuate supply noise.
Figure 37. Recommended Ground Design
SCLK
CSN
DOUT
EOC
t
CONV
LSB
MSB
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
S1
S0
High-Z
when CSN is
High
AS1526/
AS1527
Power
Supplies
Digital
Circuitry
0.1μF
+
4.7μF
10
Ω
(Optional)
GND
GND
+3V
1
V
DD
5
GND
+3V
+3V
DGND
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS1527-BSOT | 10-bit ADC, 1-Channel, 73ksps; Package Type: SOIC-8 |
| AS1528-BTDT | μPower 10-Bit 1-CH 150ksps TD; Package Type: TDFN(3x3)-8 |
| AS1529-BTDT | μPower 10-Bit 2-CH 150ksps SE; Package Type: TDFN(3x3)-8 |
| AS1531-T | 12-Bit, 8-Channels ADC 300ksps; Package Type: TSSOP-20 |
| AS1530-T | 12-Bit, 8-Channels ADC 400ksps; Package Type: TSSOP-20 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS1526BSOU | 制造商:ams 功能描述:IC ADC 10BIT 73KSPS SOIC-8 制造商:ams 功能描述:IC, ADC, 10BIT, 73KSPS, SOIC-8, Resolution (Bits):10bit, Sampling Rate:73kSPS, Supply Voltage Type:Single, Supply Voltage Min:2.7V, Supply Voltage Max:3.6V, Supply Current:1.4mA, Digital IC Case Style:SOIC, No. of Pins:8, MSL:- , RoHS Compliant: Yes 制造商:ams 功能描述:SOIC 8 |
| AS1526-BSOU | 功能描述:IC A/D 10-BIT 1-CH 73K 8-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標準包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:155mW 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-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個單端，單極；2 個差分，單極 產(chǎn)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
| AS1527 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:10-Bit, Single Supply, Low-Power, 73ksps A/D Converters |
| AS1527-BSOT | 功能描述:IC ADC 10BIT 1CH 73K 8-SOIC 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 標準包裝: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 |
| AS1527BSOU | 制造商:AMS 功能描述:IC ADC 10BIT 73KSPS SOIC-8 制造商:AMS 功能描述:IC, ADC, 10BIT, 73KSPS, SOIC-8; Resolution (Bits):10bit; Sampling Rate:73kSPS; Supply Voltage Type:Single; Supply Voltage Min:2.7V; Supply Voltage Max:3.6V; Supply Current:1.4mA; Digital IC Case Style:SOIC; No. of Pins:8; DNL:1LSB ;RoHS Compliant: Yes |
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