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| 型號： | AS1527-BSOT |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | ADC |
| 英文描述： | 10-bit ADC, 1-Channel, 73ksps; 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)： | 11/21頁 |
| 文件大小： | 751K |
| 代理商： | AS1527-BSOT |
www.austriamicrosystems.com
Revision 1.03
11 - 21
AS1526/AS1527
Data Sheet
- Detailed Description
8 Detailed Description
The AS1526/AS1527 analog-to-digital converters have two modes of operation:
!
Normal A/D Conversion Mode – Pulling pin SHDNN high or leaving it open puts the device into normal A/D conver-
sion mode.
!
Shutdown Mode – Pulling pin SHDNN low shuts the device down and reduces supply current below 2μA (V
DD
≤
3.6V).
Note:
Pulling pin CSN low starts a conversion. The conversion result is available at pin DOUT in unipolar serial for-
mat
(see Timing and Control on page 12)
.
Figure 23
shows a basic configuration for the AS1526/AS1527. The integrated input track/hold circuitry and a succes-
sive-approximation register (SAR) circuitry convert analog input signals to a digital 10-bit output. No external-hold
capacitor is needed for the track/hold circuit.
The devices convert analog input signals in the 0V to V
REF
range in 13μs (includes track/hold acquisition time).
The AS1526 internal reference is trimmed to 2.5V; the AS1527 requires an external reference. Both devices can
accept external reference voltages from 1.0V to V
DD
. The serial interface requires only three digital lines (at pins
SCLK, CSN, and DOUT) and provides a simple microprocessor interface.
Figure 23. Operational Diagram
Analog Input
Figure 24
illustrates the integrated comparator sampling architecture. The full scale input voltage is set by the voltage
at pin REF.
Figure 24. Equivalent Input Circuit
AS1526/
AS1527
+2.7 to +3.6V
AS1526 – 4.7μF
AS1527 – 0.1μF
Reference Input
Required for AS1527,
Optional for AS1526
0.1μF
4.7μF
+
6
DOUT
5
GND
1
V
DD
7
CSN
8
SCLK
3
SHDNN
2
AIN
4
REF
+
–
+
Comparator
R
IN
C
SWITCH
14pF
C
HOLD
13pF
–
REF
AIN
+
C
HOLD
13pF
–
Sample
Switch
C
SWITCH
includes all parasitics
GND
S&H and DAC
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| AS1527-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(biāo)準(zhǔn)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 |
| AS1528 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Micro-Power, 10-Bit, 150ksps, ADC, Single Ended or Differential |
| AS1528_1 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Micro-Power, 10-Bit, 150ksps, ADC, Single Ended or Differential |
| AS1528-BTDR | 功能描述:IC A/D 10-BIT 1-CH 150K 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:- 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 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）:- 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:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
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