saa7712h NXP Semiconductors, saa7712h Datasheet - Page 33

• Manufacturer Part Number: saa7712h
• Description: Sound Effects Dsp
• Manufacturer: NXP Semiconductors

Philips Semiconductors
14 OSCILLATOR CHARACTERISTICS
Note
1. C
1999 Aug 05
f
V
g
g
C
N
I
P
V
R
R
xtal
xtal
m(start)
m(oper)
f
f
SYMBOL
f
xtal(M)
xtal
i(clk)
L
cy(start)
xtal
o
Sound effects DSP
xtal(adj)
xtal(T)
p
is the parasitic parallel capacitance of the crystal.
crystal frequency
crystal frequency variation with
adjustment
crystal frequency variation with
temperature
spurious frequency attenuation
voltage across the crystal
(absolute peak value)
transconductance at start-up
transconductance when operating
capacitive load of clock output
number of cycles during start-up
supply current
drive level
external clock input voltage
allowed loss resistance of the
crystal
output resistance
PARAMETER
T
depends on quality of the
external crystal
at start-up
at oscillation
in slave mode
at oscillation
in slave mode
C
C2 = 10 pF; see Fig.9
at start-up;
f
V
xtal
amb
DD_OSC
p
= 5 pF
= 18.432 MHz;
= 25 C
CONDITIONS
33
= 3.3 V
(1)
; C1 = 10 pF;
10.000
20
1.6
10.5
3.6
3
750
30
30
MIN.
2.6
19
15
1000
7
0.6
0.65
0.4
3.3
20
1300
TYP.
Preliminary specification
SAA7712H
19.456
+30
+30
3.6
32
38
15
2
0.9
0.5
3.6
100
2800
MAX.
MHz
ppm
ppm
dB
V
mS
mS
pF
cycles
mA
mA
mA
mW
V
UNIT