參數(shù)資料
型號(hào)： AS1520-T
廠商： AUSTRIAMICROSYSTEMS AG
元件分類： ADC
英文描述： 10-Bit, 8-Ch, 400ksps, ADC; Package Type: TSSOP-20
封裝： TSSOP-20
文件頁(yè)數(shù)： 26/29頁(yè)
文件大?。?/td> 1043K
代理商： AS1520-T
www.austriamicrosystems.com
Revision 1.00
26 - 29
AS1520/AS1521
Data Sheet
- Application Information
Layout Considerations
The AS1520/AS1521 require proper layout and design procedures for optimum performance.
!
Use printed circuit boards; wirewrap boards should not be used.
!
Analog and digital traces should be separate and should not run parallel to each other (especially clock traces).
!
Digital traces should not run beneath the AS1520/AS1521.
!
Use a single-point analog ground at GND, separate from the digital ground (see
Figure 36
). Connect all other ana-
log grounds and DGND to this star ground point for further noise reduction. No other digital system ground 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 AS1520/AS1521 high-speed comparator. Bypass
this supply to the single-point analog ground with 0.1μF and 4.7μF bypass capacitors. Bypass capacitors should
be as close to the device as possible for optimum power 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 (see
Figure 36
).
Figure 36. Recommended GND Design
Power
Supplies
Digital
Circuitry
+
+
10
Ω
(Optional)
9
COM
13
GND
V
DD1
GND
GND
V
DD2
DGND
V
DD
19
V
DD2
20
V
DD1
AS1520/
AS1521
10
V
DD3
相關(guān)PDF資料
PDF描述
AS1521-T 10-Bit, 8-Ch, 300ksps, ADC; Package Type: TSSOP-20
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AS1521 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:10-Bit, Single-Supply, Low-Power, 400/300ksps, 8-Channel A/D Converters
AS1521BTST 制造商:AMS 功能描述:IC ADC 10BIT 300KSPS TSSOP-20 制造商:AMS 功能描述:IC, ADC, 10BIT, 300KSPS, TSSOP-20; Resolution (Bits):10bit; Sampling Rate:300kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Supply Current:2.7mA; Digital IC Case Style:TSSOP; No. of Pins:20 ;RoHS Compliant: Yes
AS1521-BTST 功能描述:IC ADC 10BIT 8CH 300K 20-TSSOP 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(gè)單端，單極
AS1521-BTSU 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:10-Bit, Single-Supply, Low-Power, 400/300ksps, 8-Channel A/D Converters
AS1521-T 制造商:ams 功能描述:IC ADC 10BIT 8CH 300K 20-TSSOP 制造商:ams 功能描述:T&R / TSSOP 16
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