SAA7707H Datasheet, PDF (26/48 Pages) NXP Semiconductors – Car radio Digital Signal Processor CDSP

Philips Semiconductors
Car radio Digital Signal Processor (CDSP)
Preliminary specification
SAA7707H
12 THERMAL CHARACTERISTICS
SYMBOL
R_{th j-a}
R_{th j-a}
PARAMETER
from junction to ambient in free air and V_SSD lead fingers 50, 51, 54 and 55 of
the QFP80 soldered to a PCB copper plate of 36 cm²
from junction to ambient in free air and V_SSD lead fingers 50, 51, 54 and 55 of
the QFP80 not connected to a PCB copper plate
VALUE
35
42
13 DC CHARACTERISTICS
V_DDD = 4.75 to 5.5 V; T_amb = −40 to +85 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
Digital part
DIGITAL INPUTS AND OUTPUTS; NOTE 1
V_DDD(tot)
I_DDD(tot)
P_tot
V_IH
total DC supply voltage
total DC supply current
total power dissipation
HIGH level input voltage;
pins 23 to 25, 27, 28,
30 to 33, 38 to 40,
44 to 48, 60 and 62
all V_DDD pins
maximum activity
of the DSP;
f_xtal = 36 MHz
maximum activity
of the DSP;
f_xtal = 36 MHz
HIGH level input voltage;
pin 26
V_IL
LOW level input voltage;
pins 23 to 28, 30 to 33,
38 to 40, 44 to 48, 60
and 62
V_hys
hysteresis voltage pin 26
V_OH
HIGH level output
V_DDD = 4.75 V;
voltage; pins 23,
I_O = −4 mA
35 to 37, 42, 43, 48, 57,
60 and 61
V_OL
LOW level output
V_DDD = 4.75 V;
voltage;
I_O = 4 mA
pins 23, 35 to 37, 39, 42,
43, 48, 57, 60 and 61
I_LI
input leakage current; V_I = 0 or V_DDD
pins 24, 25, 27, 28, 38
and 44 to 47
I_OZ
3-state output leakage V_O = 0 or V_DDD
current; pins 23, 35 to 37,
39, 42, 48, 57 and 60
4.75
−
−
0.7V_DDD
0.8V_DDD
−
−
4.25
−
−
−
TYP.
MAX.
5.0
5.5
160
200
0.8
1.1
−
−
−
−
−
0.2V_DDD
0.33V_DDD −
−
−
−
0.5
−
±1
−
±5
UNIT
K/W
K/W
UNIT
V
mA
W
V
V
V
V
V
V
µA
µA
1997 May 30
26