參數(shù)資料
型號： ISL5216KI-1
廠商： INTERSIL CORP
元件分類： 無繩電話/電話
英文描述： Four-Channel Programmable Digital DownConverter
中文描述： TELECOM, CELLULAR, BASEBAND CIRCUIT, PBGA196
封裝： 15 X 15 MM, 1 MM PITCH, PLASTIC, BGA-196
文件頁數(shù)： 9/65頁
文件大?。?/td> 1384K
代理商： ISL5216KI-1
9
13-BIT MODE: 13-BIT MANTISSA (15:3), 3-BIT EXPONENT (2:0), 18dB EXPONENT RANGE (Note 7)
EXPONENT
X(2:0) = 000
GAIN (dB)
PIN BIT WEIGHTING TO 16-BIT INPUT MAPPING
X14
X13
X12
0
X15
X15
X15
X15
X11
X10
X9
X8
X7
X6
X5
X4
X3
X(2:0) = 001
6
X15
X15
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
0
X(2:0) = 010
12
X15
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
0
0
X(2:0) = 011
(Note 6)
18
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
0
0
0
NOTES:
6. Or 100, 101, 110, or 111, the exponent input saturates at 011.
7. To select this mode, set IWA *000H / GWA F804H bits 17, 16, 8 and 7 to 0, 0, 1 and 0 respectively.
14-BIT MODE: 14-BIT MANTISSA (15:2), 2-BIT EXPONENT (1:0), 18dB MAXIMUM EXPONENT RANGE (Note 8)
EXPONENT
GAIN (dB)
PIN BIT WEIGHTING TO 16-BIT INPUT MAPPING
X(1:0) = 00
0
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
X2
0
0
X(1:0) = 01
6
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
X2
0
0
X(1:0) = 10
12
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
X2
0
0
X(1:0) = 11
18
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
X2
0
0
NOTE:
8. To select this mode, set IWA *000H / GWA F804H bits 17, 16, 8 and 7 to 0, 0, 1 and 1 respectively.
14-BIT MODE: 14-BIT MANTISSA (15:2), 3-BIT EXPONENT (-1,1,0), 42dB MAXIMUM EXPONENT RANGE (Note 9)
EXPONENT
GAIN (dB)
PIN BIT WEIGHTING TO 16-BIT INPUT MAPPING
X(-1,1,0) = 000
0
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
X2
0
0
X(-1,1,0) = 001
6
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
X2
0
0
X(-1,1,0) = 010
12
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
X2
0
0
X(-1,1,0) = 011
18
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
X2
0
0
X(-1,1,0) = 100
24
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
X2
0
0
X(-1,1,0) = 101
30
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
X2
0
0
X(-1,1,0) = 110
36
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
X2
0
0
X(-1,1,0) = 111
42
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
X2
0
0
NOTE:
9. To select this mode, set IWA *000H / GWA F804H bits 17, 16, 8 and 7 to 1, 0, 1 and 1 respectively.
11, 12, 13-BIT MODE: 11, 12, 13-BIT MANTISSA, 3-BIT EXPONENT (-1,1,0) (Note 10), 42dB MAXIMUM EXPONENT RANGE (Note 11)
EXPONENT
GAIN (dB)
PIN BIT WEIGHTING TO 16-BIT INPUT MAPPING
X(-1,1,0) = 000
0
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
0
0
0
X(-1,1,0) = 001
6
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
0
0
0
X(-1,1,0) = 010
12
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
0
0
0
X(-1,1,0) = 011
18
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
0
0
0
X(-1,1,0) = 100
24
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
0
0
0
X(-1,1,0) = 101
30
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
0
0
0
X(-1,1,0) = 110
36
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
0
0
0
X(-1,1,0) = 111
42
X15
X14
X13
X12
X11
X10
X9
X8
X7
X6
X5
X4
X3
0
0
0
NOTES:
10. For compatibility with legacy HSP50216 11, 12 and 13 bit floating point modes as well as the new ISL5216 modes, the most significant exponent
bit is taken as X2 OR’d with X-1. Either input may be used for the MSB of the exponent when the other is tied low.
11. To select these modes, set IWA *000H / GWA F804H bits 17 and 16 to 1 and 0, respectively, and bits 8 and 7 to 0 and 0 for 11/3, 0 and 1 for
12/3, and 1 and 0 for 13/3.
ISL5216
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