49
SLAS826F – MARCH 2015 – REVISED MARCH 2017
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Specifications
Copyright © 2015–2017, Texas Instruments Incorporated
Table 5-10. High-Frequency Crystal Oscillator, HFXT (continued)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
(3)
Oscillation allowance is based on a safety factor of 5 for recommended crystals.
OA
HFXT
Oscillation allowance for
HFXT crystals
(3)
HFXTBYPASS = 0, HFXTDRIVE = 0,
HFFREQ = 0,
f
HFXT,HF
= 1 MHz, C
L,eff
= 16 pF
1225
5000
Ω
HFXTBYPASS = 0, HFXTDRIVE = 1,
HFFREQ = 0,
f
HFXT,HF
= 4 MHz, C
L,eff
= 16 pF
640
1250
HFXTBYPASS = 0, HFXTDRIVE = 1,
HFFREQ = 1,
f
HFXT,HF
= 8 MHz, C
L,eff
= 16 pF
360
750
HFXTBYPASS = 0, HFXTDRIVE = 1,
HFFREQ = 2,
f
HFXT,HF
= 16 MHz, C
L,eff
= 16 pF
200
425
HFXTBYPASS = 0, HFXTDRIVE = 1,
HFFREQ = 3,
f
HFXT,HF
= 24 MHz, C
L,eff
= 16 pF
135
275
HFXTBYPASS = 0, HFXTDRIVE = 1,
HFFREQ = 4,
f
HFXT,HF
= 32 MHz, C
L,eff
= 16 pF
110
225
HFXTBYPASS = 0, HFXTDRIVE = 1,
HFFREQ = 5
f
HFXT,HF
= 40 MHz, C
L,eff
= 16 pF
105
160
HFXTBYPASS = 0, HFXTDRIVE = 1,
HFFREQ = 6,
f
HFXT,HF
= 48 MHz, C
L,eff
= 16 pF
80
140