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AS1524-BTDR 参数 Datasheet PDF下载

AS1524-BTDR图片预览
型号: AS1524-BTDR
PDF下载: 下载PDF文件 查看货源
内容描述: 下150ksps , 12位, 1通道伪/真差分和2路单端ADC [150ksps, 12-Bit, 1-Channel Pseudo/True-Differential and 2-Channel Single-Ended ADCs]
分类和应用:
文件页数/大小: 22 页 / 708 K
品牌: AMSCO [ AMS(艾迈斯) ]
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AS1524/AS1525  
Datasheet - Electrical Characteristics  
6 Electrical Characteristics  
VDD = +2.7 to +5.25V, VREF = +2.5V, 4.7µF Capacitor at REF; fSCLK = 8MHz (50% Duty Cycle); AIN- = GND (AS1524)  
TAMB = TMIN to TMAX (unless otherwise specified). Typical Values at TAMB = +25ºC. Unipolar Mode (AS1524).  
Table 4. Electrical Characteristics  
Symbol  
Parameter  
Condition  
Min  
12  
Typ  
Max  
Unit  
DC Accuracy  
Resolution  
Relative Accuracy  
Differential Non-Lineraity  
Offset Error  
Bits  
LSB  
LSB  
LSB  
INL  
±1.0  
+1.0  
±4  
DNL  
No Missing Codes Over Temperature  
-0.99  
±1  
±1  
Gain Error 1  
±4  
LSB  
Gain Temp Coefficient  
Offset Temp Coefficient  
±0.3  
±0.3  
ppm/ºC  
ppm/ºC  
Channel-to-Channel Offset  
Match  
±0.1  
±0.1  
LSB  
LSB  
Channel-to-Channel Gain  
Match  
Dynamic Specifications – (fIN (sinewave) = 10kHz, VIN = 2.5VP-P, 150ksps, fSCLK = 8MHz (50% duty cycle), AIN- =  
GND (AS1524)  
SINAD  
Signal-to-Noise Plus Distortion  
72.5  
dB  
dB  
Total Harmonic Distortion (to  
the 5th Harmonic)  
THD  
-79.5  
SFDR  
Spurious-Free Dynamic Range  
Full Power Bandwidth  
84  
20  
dB  
-3dB Point  
MHz  
kHz  
Full Linear Bandwidth  
-0.1dB Point  
400  
Conversion Rate  
tCONV  
tACQ  
Conversion Time  
Track/Hold Acquisition Time  
Aperture Delay  
Exclusive of tACQ  
3.3  
30  
3.7  
1.4  
µs  
µs  
ns  
fSCLK  
Max Serial Clock Frequency  
Serial Clock Duty Cycle  
8
MHz  
%
30  
70  
Analog Input  
Unipolar  
Bipolar  
0
VREF  
VIN Range 2  
V
-VREF/2  
VREF/2  
No Channel Selected or Conversion  
Halted  
Input Leakage Current  
±0.01  
±1  
µA  
Track Mode  
Hold Mode  
20  
5
pF  
pF  
Input Capacitance  
External Reference Input  
VDD +  
50mV  
VREF  
VIN Range  
1.0  
0
V
VREF = +2.5V @ 150ksps  
VREF = +4.096V @ 150ksps  
Acquisition Between Conversions  
11  
19  
+2  
25  
IREF  
Input Current  
µA  
+5  
www.austriamicrosystems.com  
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