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Revision 1.02

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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

Table 3. Electrical Characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Analog Input

Fullscale Input Span

Positive input, negative input

0

V

Absolute Input Range

Positive input

-0.3

+ 0.3

V

Negative Input

-0.3

+ 0.3

V

Capacitance

Track Mode

15

pF

Hold Mode

8

Leakage Current

±0.1

±1

µA

Static Performance

No Missing Codes

10

Bits

Integral Linearity Error

±0.2

±0.375

LSB

Differential Linearity Error

±0.125 ±0.25

LSB

Offset Error

±0.125

±1.5

LSB

Offset Error Match

1

±0.025

±.5

LSB

Gain Error

±0.25

±1.5

LSB

Gain Error Match

1

±0.025

±0.5

LSB

Power Supply Rejection

1

mV

Dynamic Performance

Throughput Frequency

50

kHz

Conversion Time

6.67

µs

AC Accuracy

THD

Total Harmonic Distortion

2

-70

dB

Signal-to-Noise Ratio

61.5

dB

Signal-to-Noise (+ Distortion)

Ratio

61.5

dB

Spurious-Free Dynamic Range

70

dB

Voltage Reference Output

Range

2.475

2.5

2.525

V

Internal Reference Drift

30

ppm/ºC

Output Impedance

30

Ω

Quiescent Current

440

µA

Voltage Reference Input

Range

1

V

Input Resistance

1

G

Ω

Reference Input Current

PD = 01 Internal Ref. OFF, ADC ON

@ 50kSPS

4µA