AS1539/AS1541
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
Electrical Characteristics
+V
DD
=
+2.7
to +5.25V, V
REF
=
+2.5V
external, SCL = 3.4MHz, T
AMB
= -40 to +85ºC (unless otherwise specified).
Table 3. Electrical Characteristics
Symbol
Analog Input
Parameter
Fullscale Input Span
Absolute Input Range
Negative Input
Capacitance
Leakage Current
Static Performance
No Missing Codes
Integral Linearity Error
Differential Linearity Error
Offset Error
Offset Error Match
Gain Error
Gain Error Match
1
1
Condition
Positive input, negative input
Positive input
Min
0
-0.3
-0.3
Typ
Max
V
REF
+V
DD
+ 0.3
+V
DD
+ 0.3
Unit
V
V
V
pF
Track Mode
Hold Mode
15
8
±0.1
10
±1
I
LEAK
µA
Bits
V
REF
= 2.5V, 1 LSB = 610µV
±0.2
±0.125
±0.025
±0.25
±0.025
1
±0.375
±1.5
±.5
±1.5
±0.5
LSB
LSB
LSB
LSB
LSB
LSB
mV
±0.125 ±0.25
Power Supply Rejection
Dynamic Performance
Throughput Frequency
Conversion Time
AC Accuracy
THD
Total Harmonic Distortion
Signal-to-Noise Ratio
Signal-to-Noise (+ Distortion)
Ratio
Spurious-Free Dynamic Range
Voltage Reference Output
Range
Internal Reference Drift
Output Impedance
Quiescent Current
Voltage Reference Input
Range
Input Resistance
Reference Input Current
PD = 01 Internal Ref. OFF, ADC ON
@ 50kSPS
1
2
50
6.67
V
IN
= 2.5V
P-P
@ 10kHz
V
IN
= 2.5V
P-P
@ 10kHz
V
IN
= 2.5V
P-P
@ 10kHz
V
IN
= 2.5V
P-P
@ 10kHz
2.475
-70
61.5
61.5
70
2.5
30
30
440
V
DD
1
4
2.525
kHz
µs
dB
dB
dB
dB
V
ppm/ºC
Ω
µA
V
GΩ
µA
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