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AS1528 数据表(PDF) 5 Page - ams AG

部件名 AS1528
功能描述  Micro-Power, 10-Bit, 150ksps, ADC, Single Ended or Differential
PDF  21 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS1528 数据表(HTML) 5 Page - ams AG

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www.austriamicrosystems.com
Revision 1.00
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AS1528/AS1529
Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s
6 Electrical Characteristics
VDD = +2.7 to +5.25V, VREF = +2.5V, 4.7µF Capacitor at REF; fSCLK = 8MHz (50% Duty Cycle); AIN- = GND (AS1528)
TAMB = TMIN to TMAX (unless otherwise specified). Typical Values at TAMB = +25ºC. Unipolar Mode (AS1528).
Table 4. Electrical Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Unit
DC Accuracy
Resolution
10
Bits
INL
Relative Accuracy
±0.275
LSB
DNL
Differential Non-Lineraity
No Missing Codes Over Temperature
±0.275
LSB
Offset Error
±0.25
±2
LSB
Gain Error
1
±0.25
±2
LSB
Gain Temp Coefficient
±0.3
ppm/ºC
Offset Temp Coefficient
±0.3
ppm/ºC
Channel-to-Channel Offset
Match
±0.025
LSB
Channel-to-Channel Gain
Match
±0.025
LSB
Dynamic Specifications – (fIN (sinewave) = 10kHz, VIN = 2.5VP-P, 150ksps, fSCLK = 8MHz (50% duty cycle), AIN- =
GND (AS1528)
SINAD
Signal-to-Noise Plus Distortion
61.5
dB
THD
Total Harmonic Distortion (to
the 5th Harmonic)
-79.5
dB
SFDR
Spurious-Free Dynamic Range
84
dB
Full Power Bandwidth
-3dB Point
20
MHz
Full Linear Bandwidth
-0.1dB Point
400
kHz
Conversion Rate
tCONV
Conversion Time
Exclusive of tACQ
3.3
3.7
µs
tACQ
Track/Hold Acquisition Time
1.4
µs
Aperture Delay
30
ns
fSCLK
Max Serial Clock Frequency
8
MHz
Serial Clock Duty Cycle
30
70
%
Analog Input
VIN Range
2
Unipolar
0
VREF
V
Bipolar
-VREF/2
VREF/2
Input Leakage Current
No Channel Selected or Conversion
Halted
±0.01
±1
µA
Input Capacitance
Track Mode
20
pF
Hold Mode
5
pF
External Reference Input
VREF
VIN Range
1.0
VDD +
50mV
V
IREF
Input Current
VREF = +2.5V @ 150ksps
11
25
µA
VREF = +4.096V @ 150ksps
19
Acquisition Between Conversions
0
+2
+5



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