DS1091L Datasheet, PDF (4/6 Pages) Maxim Integrated Products – Automotive Temperature Range Spread-Spectrum Econoscillator

Automotive Temperature Range
Spread-Spectrum Econoscillator
Typical Operating Characteristics (continued)
(T_A = +25°C, V_CC = 3.3V, unless otherwise noted.)
OUTPUT RISE TIME
3.5
3.0
RISE TIME
2.5
= 1.02ns
TYPICAL
2.0
AT 12pF LOAD
1.5
1.0
0.5
0.0
TIME (ns)
OUTPUT FALL TIME
SPECTRUM ATTENUATION vs. FREQUENCY
AT DIFFERENT DITHER AMPLITUDES
3.5
5 _{RBW = 120kHz 0%}
f_OUT = 33.3MHz
3.0
0 ^{CENTER DITHER}
2.5
FALL TIME
= 1.13ns
-5
±1%
±2%
8dB _11dB
14dB
TYPICAL
-10 ^±4%
2.0
AT 12pF LOAD
-15
1.5
-20
1.0
-25
0.5
-30
0.0
TIME (ns)
-35
31.9 32.4 32.9 33.4 33.9 34.4 34.9
FREQUENCY (MHz)
PIN
µMAX8
1
2
3
4
5
6, 7
8
Pin Description
NAME
OUT
V_CC
GND
SEL1
SEL0
N.C.
DR
FUNCTION
Spread-Spectrum Clock Output
Supply Voltage
Ground
Spread Spectrum Dither Magnitude Select Inputs. Selects dither magnitude (see Table 1).
No Connection
Spread-Spectrum Dither Rate Selector. Selects dither rate (see Table 2).
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