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AS1536/AS1537

Datasheet - 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

Table 3. Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Units

DC Accuracy

1

Resolution

12

Bits

Relative Accuracy

2

±1

LSB

DNL

Differential Non-Linearity

No missing codes over temperature

±1

LSB

Offset Error

±6

LSB

Gain Error

3

±6

LSB

Gain Temperature Coefficient

±1

ppm/°C

SINAD

Signal-to-Noise + Distortion

Ratio

67

70.5

dB

THD

Total Harmonic Distortion

Up to the 5th harmonic

-83

-80

dB

SFDR

Spurious-Free Dynamic Range

80

88

dB

Small-Signal Bandwidth

-3dB rolloff

2.5

MHz

Full-Power Bandwidth

2.5

MHz

Conversion Rate

Conversion Time

5.5

7.5

µs

Track/Hold Acquisition Time

1.5

µs

Throughput Rate

4

73

ksps

Aperture Delay

Figure 27 on page 14

7ns

Aperture Jitter

<50

ps

Analog Input

Input Voltage Range

0

V

Input Capacitance

21

pF

Internal Reference (AS1536 only)

REF Output Voltage

5

2.47

2.50

2.53

V

REF Short-Circuit Current

45

mA

REF Temperature Coefficient

AS1536

±30

ppm/°C

Load Regulation

6

0 to 0.2mA output load

0.35

mV

Capacitive Bypass at REF

4.7

µF

Input Voltage Range

1.00

50mV

V

Input Current

100

150

µA

Input Resistance

18

25

k

Ω

REF Input Current in Shutdown

SHDNN = 0V

±0.01

10

µA

Capacitive Bypass at REF

0.1

µF