Datasheet

STPM01 Electrical characteristics
Doc ID 10853 Rev 8 13/60
Crystal oscillator (see circuit Figure 20)
I
I
Input current on CLKIN 1 µA
R
P
External resistor 1 4 MΩ
C
P
External capacitors 22 pF
f
CLK
Nominal output frequency
44.194
MHz
88.192
RC oscillator (see circuit Figure 20)
I
CLKIN
Settling current
f
CLK
= 4 MHz
40 60 µA
R
SET
Settling resistor 12 kΩ
t
JIT
Frequency jitter 1 ns
On chip reference voltage
V
REF
Reference voltage 1.23 V
Reference accuracy ±1 %
T
C
Temperature coefficient After calibration 30 50
ppm/
°C
SPI interface timing
F
SCLKr
Data read speed 32 MHz
F
SCLKw
Data write speed 100 kHz
t
DS
Data setup time 20 ns
t
DH
Data hold time 0 ns
t
ON
Data driver on time 20 ns
t
OFF
Data driver off time 20 ns
t
SYN
SYN active width 2/f
CLK
s
Table 7. Electrical characteristics (continued)
Symbol Parameter Test conditions Min. Typ. Max. Unit