HSP50216(2000) 데이터 시트보기 (PDF) - Intersil
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HSP50216 Datasheet PDF : 53 Pages
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HSP50216
Floating Point Input Mode Bit Mapping Tables
A, B, C or D(15:0) Input: 2^ - 0 1 2 3 4 5 6 7 8 9 10 11 12 13(exp2) 14(exp1) 15(exp0)
11-BIT MODE: 11-BIT MANTISSA (MINIMUM), 3-BIT EXPONENT, 30dB EXPONENT RANGE
EXPONENT
GAIN (dB)
PIN BIT WEIGHTING TO 16-BIT INPUT MAPPING, 2^-
000
0
0 0 0 0 0 0 1 2 3 4 5 6 7 8 9 10
001
6
0 0 0 0 0 1 2 3 4 5 6 7 8 9 10 11
010
12
0 0 0 0 1 2 3 4 5 6 7 8 9 10 11 12
011
18
0 0 0 1 2 3 4 5 6 7 8 9 10 11 12 z
100
24
0 0 1 2 3 4 5 6 7 8 9 10 11 12 z z
101 (Note 1)
30
0 1 2 3 4 5 6 7 8 9 10 11 12 z z z
NOTE:
1. Or 110 or 111, the exponent input saturates at 101.
12-BIT MODE: 12-BIT MANTISSA, 3-BIT EXPONENT, 24dB EXPONENT RANGE
EXPONENT
GAIN (dB)
PIN BIT WEIGHTING TO 16-BIT INPUT MAPPING, 2^-
000
0
0 0 0 0 0 1 2 3 4 5 6 7 8 9 10 11
001
6
0 0 0 0 1 2 3 4 5 6 7 8 9 10 11 12
010
12
0 0 0 1 2 3 4 5 6 7 8 9 10 11 12 z
011
18
0 0 1 2 3 4 5 6 7 8 9 10 11 12 z z
100 (Note 2)
24
0 1 2 3 4 5 6 7 8 9 10 11 12 z z z
NOTE:
2. Or 101, 110, or 111, the exponent input saturates at 100.
13-BIT MODE: 13-BIT MANTISSA, 3-BIT EXPONENT, 18dB EXPONENT RANGE
EXPONENT
GAIN (dB)
PIN BIT WEIGHTING TO 16-BIT INPUT MAPPING, 2^-
000
0
0 0 0 0 1 2 3 4 5 6 7 8 9 10 11 12
001
6
0 0 0 1 2 3 4 5 6 7 8 9 10 11 12 z
010
12
0 0 1 2 3 4 5 6 7 8 9 10 11 12 z z
011 (Note 3)
18
0 1 2 3 4 5 6 7 8 9 10 11 12 z z z
NOTE:
3. Or 100, 101, 110, or 111, the exponent input saturates at 011.
14-BIT MODE: 14-BIT MANTISSA, 2-BIT EXPONENT, 12dB EXPONENT RANGE
EXPONENT
GAIN (dB)
PIN BIT WEIGHTING TO 16-BIT INPUT MAPPING, 2^-
00
0
0 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13
01
6
0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 z
10 (Note 4)
12
0 1 2 3 4 5 6 7 8 9 10 11 12 13 z z
NOTE:
4. Or 11, the exponent input saturates at 10.
7
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