AS1528-BTDT Ver la hoja de datos (PDF) - austriamicrosystems AG
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AS1528-BTDT Datasheet PDF : 21 Pages
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AS1528/AS1529
Data Sheet - 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 (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
Bipolar
0
-VREF/2
VREF
V
VREF/2
Input Leakage Current
No Channel Selected or Conversion
Halted
±0.01 ±1
µA
Input Capacitance
Track Mode
Hold Mode
20
pF
5
pF
External Reference Input
VREF
VIN Range
1.0
VDD +
50mV
V
VREF = +2.5V @ 150ksps
11
25
IREF
Input Current
VREF = +4.096V @ 150ksps
19
µA
Acquisition Between Conversions
0
+2
+5
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