CS2082 Datasheet, PDF (5/12 Pages) ON Semiconductor – Dual Airbag Deployment ASIC

CS2082
ELECTRICAL CHARACTERISTICS (continued) (4.75 V < V_CC < 5.25 V, 8.0 V < V_RES < 30 V, 9.0 V < V_BAT < 18 V,
–40°C < T_A < +85°C; unless otherwise stated.)
Parameter
Test Conditions
Min
Typ
Max
Analog MUX
MUX internal voltage drop
V_CC = 5.0 V
I_OUT = 100 µA
Proportion of V_BAT
–
on A_OUT with V_BAT selected
A_OUT Impedance with V_BAT
–
selected
–
–
100
23
25
27
6.0
15.0
35
Proportion of V_RES
–
on A_OUT with V_RES selected
A_OUT Impedance with V_RES
–
selected
15
17
19
6.0
12.5
25.5
Digital Inputs – D_IN, CLK, CS
V_CC = 5.25 V, V_BAT = 18 V, V_RES = 30 V
Input Low Voltage (V_IL)
–
0
–
0.3 × V_CC
Input High Voltage (V_IH)
–
0.7 × V_CC
–
V_CC
Input Voltage Hysteresis
–
100
–
–
Input Pull Down Current (I_IH)
–
50
100
200
Digital Outputs – D_OUT
V_CC = 4.75 V, V_BAT = 18 V, V_RES = 30 V
Output Low Voltage (V_OL)
I_SINK = 1.0 mA
–
–
0.4
Output High Voltage (V_OH)
I_SOURCE = 1.0 mA
V_CC – 0.75
–
–
Tri–State Pull–up Current
CS = 0, D_OUT = 0
50
100
200
Rise | Fall Time
C_LOAD = 200 pF
–
–
50
Unit
mV
%
kΩ
%
kΩ
V
V
mV
µA
V
V
µA
ns
PACKAGE PIN DESCRIPTION
Package Lead Number
SO–20L
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Pin Symbol
V_BAT
CHRG
V_RES
VR1
SH1
SL1
FG1
D_OUT
CLK
MR
CS
A_OUT
A_IN
FG2
SL2
SH2
VR2
Battery Supply Voltage.
Function
Charge pump Storage.
Reserve Supply Voltage.
Loop 1 Supply.
Squib 1 High Side.
Squib 1 Low Side.
Loop 1 Return.
Serial Port output.
Serial Port Clock.
Squib Resistance Output Current.
Serial Port Chip Select.
Analog MUX Output.
Analog MUX Input.
Loop 2 Return.
Squib 2 Low Side.
Squib 2 High Side.
Loop 2 Supply.
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