SP8605KN データシートの表示（PDF） - Signal Processing Technologies

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SP8605KN

12-Bit Sampling A/D Converters

Signal Processing Technologies 

SP8603, SP8605, SP8610

12-Bit Sampling A/D Converters

s 3µs, 5µs or 10µs Sample/Conversion

Time

s Unipolar 0V to +10V and 0V to +5V

Input

s No Missing Codes Over Temperature

s AC Performance Over Temperature

72dB Signal–to–Noise Ratio at Nyquist

85dB Spurious–free Dynamic Range at

49kHz

–81dB Total Harmonic Distortion at 49kHz

s Internal Sample/Hold, Reference,

Clock, and 3-State Outputs

s Power Dissipation: 90mW

s 28–Pin Narrow PDIP and SOIC

Packages

DESCRIPTION…

The SP86XX Series are complete, unipolar, 12-bit sampling A/D converters using state-of-the-art

CMOS structures. They contain a complete 12-bit successive approximation A/D converter with

internal sample/hold, reference, clock, digital interface for microprocessor control, and three-state

output drivers. Power dissipation is only 90mW. AC and DC performance are completely

specified. Sampling/conversion rates of 3µs, 5µs and 10µs are offered.

0V to10VIN

0V to 5VIN

VREF Output

(1.2043V)

CS R/C HBE

Control

Logic

Clock

Internal

Ref

CDAC.....

.....

.....

.....

SAR

Comparator

Output

Latches

And

Three

State

Drivers

BUSY

Three

State

Parallel

Output

Data

Bus

79

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