SP8527DS/01

SP8527 Micropower Sampling 10-Bit A/D Converter

© Copyright 2000 Sipex Corporation

3

SPECIFICATIONS (cont.)

Unless otherwise noted the following specifications apply for VCC=5V or 3.3V with limits applicable for Tmin to Tmax. Typical applies for Ta=25˚C.

VCC=5.0V

VCC=3.3V

PARAMETERS

MIN. TYP. MAX. MIN. TYP. MAX.

UNITS

CONDITIONS

DIGITAL INPUTS

Input Low Voltage, VIL

0.8

0.8

Volts

V

Input High Voltage, VIH

2.0

2.0

Volts

V

Input Current IIN

+2.0

+2.0

µA

Input Capacitance

3.0

3.0

pF

DIGITAL OUTPUTS

Data Format

Data Coding

See Timing Diagram

VOH

4.0

2.0

Volts

V

VOL

0.4

0.4

Volts

V

AC ACCURACY

Spurious free Dynamic

70

68

dB

For all FFT’s

Range (SFDR)

(Full Differential Mode)

If V

fsample = 38.3kHz

fin = 15kHz

Total Harmonic Distortion (THD)

-70

-70

dB

Signal to Noise &

60

60

dB

If V

Distortion (SINAD)

fsample = 25.5kHz

fin = 12kHz

Signal to Noise (SNR)

61

61

dB

SAMPLING DYNAMICS

Acquisition Time to 0.05%

2

3

3

4.5

µs

-3dB Small Signal BW

4

3

MHz

Aperture Delay

20

30

nS

Aperture Jitter

150

150

pS

Common-Mode Rejection Ratio

70

80

70

80

dB

f

2.8kHz @ 3.3 volts

POWER SUPPLIES

Volts

V

CC

+3.0 +5.0 +5.5 +3.0 +3.3 +5.5

I

CC

Operation Mode

230

400

80

300

µA

(CS=0) 38.3kHz, 5V conversion

rate. 25.5kHz 3.3 volts

Shutdown Mode

.001

0.5

.001

0.5

µA

(CS=1)

Power Dissipation

Operating Mode

1.15

2

0.26 0.99

mW

Shutdown Mode

.005

2.5

.003

1.7

µW

TEMPERATURE RANGE

Commercial

0˚ to +70˚C

0˚ to +70˚C

˚C

Industrial

-40˚ to +85˚C

-40˚ to +85˚C

˚C

Storage

-65˚ to +150˚C

-65˚ to +150˚C

˚C