MC34912BAC Freescale, MC34912BAC Datasheet - Page 16

• Manufacturer Part Number: MC34912BAC
• Manufacturer: Freescale

Specifications of MC34912BAC

• Turn Off Delay Time: 10us
• Number Of Drivers: 4
• Operating Temperature (min): -40C
• Lead Free Status / RoHS Status: Compliant

Table 5. Dynamic Electrical Characteristics
34912, unless otherwise noted. Typical values noted reflect the approximate parameter mean at T
conditions, unless otherwise noted.
16
33912
SPI INTERFACE TIMING (SEE
RST OUTPUT PIN
WINDOW WATCHDOG CONFIGURATION PIN (WDCONF)
CURRENT SENSE AMPLIFIER
Notes
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
SPI Operating Frequency
SCLK Clock Period
SCLK Clock High Time
SCLK Clock Low Time
Falling Edge of
Falling Edge of SCLK to
MOSI to Falling Edge of SCLK
Falling Edge of SCLK to MOSI
MISO Rise Time
MISO Fall Time
Time from Falling or Rising Edges of
- MISO Low-impedance
- MISO High-impedance
Time from Rising Edge of SCLK to MISO Data Valid
Reset Low-level Duration After V
Reset Deglitch Filter Time
Watchdog Time Period
Common Mode Rejection Ratio
Supply Voltage Rejection Ratio
Gain Bandwidth Product
Output Slew-Rate
46.
47.
48.
Characteristics noted under conditions 5.5 V ≤ V
C
C
0.2 x V
External Resistor R
External Resistor R
Without External Resistor R
L
L
= 220 pF
= 220 pF
This parameter is guaranteed by process monitoring but not production tested.
Watchdog timing period calculation formula: t
Analog Outputs are supplied by V
DD
≤ MISO ≥ 0.8 x V
CS
(46)
(46)
to Rising Edge of SCLK
EXT
EXT
(46)
(46)
(47)
CS
= 20 kΩ (1%)
= 200 kΩ (1%)
Rising Edge
Characteristic
(46)
(46)
DD
EXT
(46)
(48)
Figure
DD
, C
(WDCONF Pin Open)
L
High (see
CS
= 100 pF
13, PAGE
DYNAMIC ELECTRICAL CHARACTERISTICS
DD
(46)
to:
(46)
(46)
and from 100 Hz to 4.0 kHz
Figure
23
)
PWD
(46)
12, page
SUP
[ms] = [0.466 * (R
≤ 18 V, -40°C ≤ T
23
)
EXT
- 20)] + 10 with (R
A
t
Symbol
t
W
≤ 125°C for the 33912 and -40°C ≤ T
W
t
f
t
t
t
t
t
PS
RSTDF
SODIS
t
CMR
SPIOP
t
SOEN
VALID
LEAD
t
t
t
SVR
GBP
t
SISU
t
PWD
SCLKH
SCLKL
LAG
RSO
FSO
RST
SR
SIH
CLK
EXT
0.65
0.75
Min
250
110
110
100
100
350
110
0.0
0.0
0.0
8.5
0.5
40
40
79
70
60
–
–
–
Analog Integrated Circuit Device Data
in kΩ)
A
Typ
480
150
1.0
3.0
40
40
10
94
= 25°C under nominal
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Freescale Semiconductor
Max
1.35
11.5
N/A
N/A
N/A
N/A
N/A
N/A
N/A
900
108
205
4.0
50
50
75
A
–
–
–
–
–
–
≤ 85°C for the
Unit
MHz
MHz
V/µs
ms
ms
dB
dB
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns