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SAA7710T Datasheet, PDF (19/28 Pages) NXP Semiconductors – Dolby* Pro Logic Surround; Incredible Sound
Philips Semiconductors
Dolby* Pro Logic Surround;
Incredible Sound
Product specification
SAA7710T
AC CHARACTERISTICS
VDD1 = VDD2 = VDD3 = VDD_XTAL = 4.5 to 5.5 V; Tamb = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
fxtal
αf
Ixtal
gm(XTAL)
Vxtal
CL(XTAL)
Rxtal
crystal frequency
see Fig.3
spurious frequency attenuation
current through crystal
at input voltage swing 0.2 V
transconductance
at start-up
voltage across crystal
note 1
load capacitance
allowed loss resistor of crystal Cp = 5 pF; C1 = 10 pF;
C2 = 10 pF
MIN.
−
20
−
4
−
−
−
TYP.
MAX.
−
36.864
−
−
500 −
8
−
500 −
25 −
20 60
UNIT
MHz
dB
µA
mS
mV
pF
Ω
Slave oscillator
fslave
slave frequency
SLVOLT slave drive voltage
tr
input rise times
tf
input fall times
Timing
no divider; see Fig.4
see Fig.4
0.1 to 0.9VDD_XTAL; note 2
0.1 to 0.9VDD_XTAL; note 2
−
−
3.75 −
−
−
−
−
18.432
−
20
20
MHz
V
ns
ns
I2C-BUS INPUTS/OUTPUT
tf
fall time I2C-bus
fi(max)
maximum input frequency
I2S-BUS INPUTS/OUTPUTS
tr
rise time I2S-bus (O2)
tf
fall time I2S-bus (O2)
tHC
CL pulse width HIGH
tLC
CL pulse width LOW
td1
WS out delay time
td2
data in hold time
ts2
data in set-up time
td3
data out delay time
tacc
data out access time
ALL OTHER OUTPUTS (O1)
tr
rise time
tf
fall time
ALL OTHER INPUTS
tr
input rise times
tf
input fall times
0.1 to 0.9VDD
SDA, SCL
CL = 30 pF; 0.1 to 0.9VDD
CL = 30 pF; 0.1 to 0.9VDD
CL = 30 pF; 0.1 to 0.9VDD
CL = 30 pF; 0.1 to 0.9VDD
VDD = 5.5 V
VDD = 5.5 V
−
5.7 −
ns
−
−
100
kHz
−
7.3 −
ns
−
8.3 −
ns
112 −
−
ns
112 −
−
ns
0
−
−
ns
0
−
−
ns
25
−
−
ns
0
−
5
ns
−
−
5 + 0.5 × CL(3) ns
−
7.3 −
ns
−
8.3 −
ns
−
6
200
ns
−
6
200
ns
Notes
1. The load capacitance is the sum of the series connection of C1 and C2 (see Fig.3) and the parasitic parallel capacitor
of the crystal Cp.
2. With a 50%, ±5% duty cycle on oscillator drive input (see Fig.4).
3. The value for the capitative load CL is given in pF.
1998 Mar 13
19