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