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AS1545

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

+85°C, external reference = 2.5V, RANGE = 0, Typical values at 5.25V and 25°C with external reference; Unless oth-

erwise specified.

Table 3. Electrical Characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Dynamic Specifications 50kHz sinewave input

SINAD

Signal to Noise + Distortion

Ratio

Fully Differential Mode

70

72

dB

SNR

Signal-to-Noise Ratio

71

72.5

THD

Total Harmonic Distortion

-81

-77

SFDR

Spurious-Free Dynamic

Range

-83

-75

SINAD

Signal to Noise + Distortion

Single Ended or Pseudo

Differential Mode

68

72

dB

SNR

Signal-to-Noise Ratio

69

72.5

THD

Total Harmonic Distortion

-81

-73

SFDR

Spurious-Free Dynamic

Range

-83

-75

IMD

Intermodulation Distortion

Second Order Terms

-75

dB

Third Order Terms

-100

Channel-to-Channel Isolation

-90

Sample and Hold

Aperture Delay

13

ns

Aperture Jitter

30

ps

Aperture Delay Matching

200

ps

Full Power Bandwidth

39

MHz

35

3.1

MHz

2.9

DC Accuracy

Resolution

12

Bits

Integral Nonlinearity

Fully Differential Mode

±0.4

±0.99

LSB

Single-Ended and Pseudo

Differential Modes

±0.4

±0.99

Differential Nonlinearity

Differential mode

±0.25

±0.99

LSB

Single-Ended and Pseudo

Differential Modes

±0.25

±0.99

Straight Binary Output Coding

Offset Error

Single-Ended and Pseudo-

Differential Mode

±0.5

±6

LSB

Offset Error Match

±0.5

Gain Error

±0.75

±2.5

LSB

Gain Error Match

±0.5