hi5805 Intersil Corporation, hi5805 Datasheet - Page 5

• Manufacturer Part Number: hi5805
• Description: 12-bit, 5 Msps A/d Converter
• Manufacturer: Intersil Corporation

Timing Waveforms
NOTES:
4. S
5. H
6. B
7. D
N
M , N
N
N
ANALOG
OUTPUT
: N-th sampling period.
CLOCK
: N-th holding period.
: Final data output corresponding to N-th sampled input.
STAGE
STAGE
STAGE
STAGE
INPUT
INPUT
INPUT
DATA
: M-th stage digital output corresponding to N-th sampled input.
2ND
3RD
1ST
4TH
S/H
S
N-1
H
ANALOG
OUTPUT
N - 1
CLOCK
B
INPUT
INPUT
B
DATA
2, N - 2
4, N - 3
5
S
B
B
N
3, N - 2
D
1, N - 1
N - 3
1.5V
H
N
B
B
2, N - 1
4, N - 2
t
AP
DATA N - 1
S
N + 1
t
B
AJ
FIGURE 1. INTERNAL CIRCUIT TIMING
B
FIGURE 2. INPUT-TO-OUTPUT TIMING
3, N - 1
D
1, N
t
N - 2
LAT
H
N + 1
B
B
4, N - 1
2, N
1.5V
S
N + 2
B
HI5805
B
1, N + 1
D
2.0V
0.8V
3, N
N - 1
t
H
H
t
OD
N + 2
B
B
2, N + 1
4, N
S
N + 3
B
B
3, N + 1
1, N + 2
D
N
H
N + 3
B
B
2, N + 2
4, N + 1
DATA N
S
N+4
B
B
3, N + 2
1, N + 3
D
N + 1
H
N + 4
B
B
2, N + 3
4, N + 2
S
N + 5
B
B
3, N + 3
1, N + 4
D
N + 2
H
N + 5
B
B
2, N + 4
4, N + 3
S
N + 6
B
B
1, N + 5
3, N + 4
D
N + 3
H
N + 6