AS1543 Ver la hoja de datos (PDF) - austriamicrosystems AG
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AS1543 Datasheet PDF : 29 Pages
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AS1543/44
Data Sheet - Electrical Characteristics
6 Electrical Characteristics
VDD = VDRIVE = 2.7 to 5.25V, REFIN = 2.5V, fSCLK = 20MHz (50% Duty cycle), VCMIN = VREFIN/2 (when SE/FDN = 0),
TAMB = -40 to +85°C. Typical values at TAMB = +25°C and VDD = VDRIVE = 5.25V (unless otherwise specified).
Table 3. Electrical Characteristics
Symbol
Parameter
Condition
DC Accuracy
Resolution
INL
Integral Nonlinearity
DNL
Differential Nonlinearity
Straight Binary Output Coding;
Guaranteed No Missed Codes to 12 Bits
Offset Error
Offset Error Match
Gain Error
Bit RANGE = 1
Gain Error Match
Offset Error
Offset Error Match
Gain Error
Bit SE/FDN = 1,
bit CODING = 1
Bit RANGE = 0
Gain Error Match
Zero Code Error
Zero Code Error Match
Gain Error
Bit RANGE = 1
Gain Error Match
Zero Code Error
Bit SE/FDN = 0,
bit CODING = 0
Zero Code Error Match
Gain Error
Bit RANGE = 0
Gain Error Match
Dynamic Specifications 50kHz sinewave input
SINAD
Signal to Noise +
Distortion Ratio
SNR
THD
Signal-to-Noise Ratio Bit RANGE = 1,
Total Harmonic Distortion bit SE/FDN = 1
SFDR
Spurious-Free Dynamic
Range
SINAD
SNR
THD
SFDR
Signal to Noise +
Distortion
Signal-to-Noise Ratio
Total Harmonic Distortion
Spurious-Free Dynamic
Range
Bit RANGE = 0,
bit SE/FDN = 0,
bit CODING = 0
IMD
Intermodulation Distortion
fA = 40.1kHz,
fB = 41.5kHz
Second Order Terms
Third Order Terms
Channel-to-Channel
Isolation
fIN = 400kHz
Full Power Bandwidth
@ 3dB
@ 0.1dB
Min
-0.95
68
68.5
73
Typ
±0.5
±0.6
±0.5
±0.6
±0.6
±0.5
±0.5
±0.6
±0.5
±0.5
71.2
71.8
-82
84
71
71.5
-83
85
-83
-91
-79
35
3.6
Max Unit
12 Bits
±1 LSB
+1.2 LSB
±4 LSB
LSB
±4 LSB
LSB
±4 LSB
LSB
±4 LSB
LSB
±4 LSB
LSB
±4 LSB
LSB
±4 LSB
LSB
±4 LSB
LSB
dB
dB
dB
dB
dB
dB
-71 dB
dB
dB
dB
MHz
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