ISL58214
HFM (High Frequency Modulator)
Standard conditions unless otherwise noted.
PARAMETER
I MAX-ISRC-OFF
I MAX-SNK-OFF
I MIN-SRC-OFF
I MIN-SNK-OFF
I MAX-SRC-ON
I MAX-SNK-ON
F OSC-MAX
F OSC-MIN
PSRR OSC-AMP-ISNK
TF OSC400MAX
TF OSC900MAX
VR FREQ
SS -WIDTH-RANGE
DESCRIPTION
Max HFM Off DC Output, I SRC
Max HFM Off DC Output, I SNK
Min HFM Off DC Output, I SRC
Min HFM Off DC Output, I SNK
Max HFM Oscillator Output, I SRC
Max HFM Oscillator Output, I SNK
Max HFM Frequency
Min HFM Frequency
PSRR - HFM Amplitude
HFM Frequency Temperature Coefficient
HFM Frequency Temperature Coefficient
R FREQ Pin Voltage
Spread Spectrum Spreading Width Adjustment
Range
CONDITIONS
HFMOFF = 0x7FF
HFMOFF = 0x7FF
HFMOFF = 0x000
HFMOFF = 0x000
HFMON = Reg 0-17h = 0xFF
HFMON = 0xFF
Reg 1-21 = x8h
Reg 0-16 = 0xFF;
R FREQ = 4.7k ?
Reg 0-16 = 0x01;
R FREQ = 4.7k ?
700MHz; HFMON = 0xFF
Range from 200MHz to
400MHz
Range from 400MHz to
900MHz
R FREQ = 4.7k ?
R FREQ = 4.7k ? , Reg 1-18 =
10h, Reg 0-16 = 0x26
MIN
90
45
-3
-3
850
275
0.85
0.1
TYP
120
62
0
0
118
60
980
345
1.2
0 - 900
±250
1.01
0.293
MAX
160
80
3
3
1150
400
1.1
1.1
UNIT
mA
mA
mA
mA
mA P-P
mA P-P
MHz
MHz
%/V
ppm/ ° C
ppm/ ° C
V
%
SS_Shift
Shift of Center Frequency when SS is Enabled vs R FREQ = 4.7k ? , Reg 1-18-00h
when it’s Disabled to 30h, Reg 0-16 = 26h
0.4
%
SS_Mod
SS_Mod
Spread Spectrum Modulation Frequency
Spread Spectrum Modulation Frequency
REG 1-18h Bit 7 = 0
REG 1-18h Bit 7 = 1
30
15
53
37
80
55
kHz
kHz
Serial Interface AC Performance
Standard conditions unless otherwise noted.
PARAMETER
F SER
DESCRIPTION
SCLK Operating Range
CONDITIONS
Static logic not limited at low
frequency
MIN
0
TYP
MAX
50
UNIT
MHz
t EH
t EL
t ERSR
t CDS
t CDH
t SREF
t CC
SEN “H” Time
SEN “L” Time
SEN Rising Edge to the First SCLK Rising Edge
SDIO Set-Up Time
SDIO Hold Time
Last SCLK Rising Edge to SEN Falling Edge
SCLK Cycle Time1
@ 50MHz
@ 50MHz
@ 50MHz
@ 50MHz
@ 50MHz
@ 50MHz
@ 50MHz
320
160
10
10
20
10
10
ns
ns
ns
ns
ns
ns
ns
Duty
SCLK “H” Duty Cycle
@ 50MHz
40
50
60
%
t CDD
t EDH
SDIO Output Delay
SDIO Output Hold Time
@ 50MHz
@ 50MHz
2
4
ns
ns
8
FN6944.1
July 29, 2013
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