HI5808 Просмотр технического описания (PDF) - Intersil

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производитель

HI5808

12-Bit, 9MSPS A/D Converter

Intersil 

Timing Waveforms

ANALOG

INPUT

HI5808

CLOCK

INPUT SN - 1 HN - 1 SN

HN SN + 1 HN + 1 SN + 2 HN + 2 SN + 3 HN + 3 SN + 4 HN + 4 SN + 5 HN + 5 SN + 6 HN + 6

INPUT

S/H

1ST

STAGE

B1, N - 1

B1, N

B1, N + 1

B1, N + 2

B1, N + 3

B1, N + 4

B1, N + 5

2ND

STAGE

3RD

STAGE

4TH

STAGE

B2, N - 2

B2, N - 1

B2, N

B2, N + 1

B2, N + 2

B2, N + 3

B2, N + 4

B3, N - 2

B3, N - 1

B3, N

B3, N + 1

B3, N + 2

B3, N + 3

B3, N + 4

B4, N - 3

B4, N - 2

B4, N - 1

B4, N

B4, N + 1

B4, N + 2

B4, N + 3

DATA

OUTPUT

DN - 3

DN - 2

DN - 1

DN

tLAT

NOTES:

4. SN: N-th sampling period.

5. HN : N-th holding period.

6. BM, N: M-th stage digital output corresponding to N-th sampled input.

7. DN : Final data output corresponding to N-th sampled input.

FIGURE 1. INTERNAL CIRCUIT TIMING

DN + 1

DN + 2

DN + 3

ANALOG

INPUT

CLOCK

INPUT

tAP

tAJ

1.5V

1.5V

tOD

tH

DATA

OUTPUT

DATA N - 1

2.0V

0.8V

DATA N

FIGURE 2. INPUT-TO-OUTPUT TIMING

5

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