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L9780 Datenblatt(PDF) 49 Page - STMicroelectronics

Teilenummer L9780
Bauteilbeschribung  Wide range air fuel sensor control interface
PDF  56 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9780 Datenblatt(HTML) 49 Page - STMicroelectronics

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L9780
Electrical characteristics
55
7.2
AC characteristics
VCCD = VCCA = VCCCP = 4.9 V to 5.1 V, VCCI = 3.14 V to VCCD, Rbg = 12.1 kΩ ±1%,
Tamb =-40 °C to 125/150 °C. Timing is considered with respect to 20 % and 70 % of VCCA
unless otherwise specified.
Table 15. AC parameters
Parameter
Conditions
Min.
Max.
Unit
Internal oscillator
Clock frequency (FOSC)
TOSC = 1/FOSC
3.8
4.2
MHz
POR (power on reset)
POR filter time
-
10
20
μs
INRC amplifier
Bandwidth
-
200
-
kHz
Slew rate
-
1.5
-
V/μs
RCT2 amplifier
Bandwidth
-
200
-
kHz
Slew rate
-
1.5
-
V/μs
Integrator amplifier
Bandwidth
-
1
-
MHz
Slew rate
-
1.5
-
V/μs
FVOUT amplifier: S&H
Time constant
Sample mode
-
1
μs
Voltage sag
Hold mode
0
0.5
mV/μs
Synchronization delay
-
0
16
μs
Scaling amplifier: S&H
Time constant
Sample mode
-
1
μs
Voltage sag
Hold mode
0
0.5
mV/μs
VCCS
Bandwidth
-
100
-
kHz
En/disable sequence delay
Hold mode
4
TOSC
Gate drivers
HG transition time
Rise time, 5nF load
30
50
μs
Fall time
30
50
μs
Fall time, diagnostic shutoff
0
200
ns
PG transition time
Rise time, 5nF load
0
1.5
μs
Fall time
0
200
ns



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