Data Sheet

ICM-20948
Document Number: DS-000189 Page 14 of 89
Revision: 1.3
A.C. Electrical Characteristics
Typical Operating Circuit of section 4.2, VDD = 1.8V, VDDIO = 1.8V, T
A
=25°C, unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS NOTES
SUPPLIES
Supply Ramp Time (T
RAMP
)
Monotonic ramp. Ramp
rate is 10% to 90% of the
final value.
0.01
20
100
ms
1
TEMPERATURE SENSOR
Operating Range
Ambient
-40
85
°C
1
Sensitivity
Untrimmed
333.87
LSB/°C
Room Temp Offset
21°C
0
LSB
POWER-ON RESET
Supply Ramp Time (T
RAMP
)
Valid power-on RESET
0.01
20
100
ms
1
Start-up time for register read/write
From power-up
11
100
ms
1
I
2
C ADDRESS
AD0 = 0
AD0 = 1
1101000
1101001
DIGITAL INPUTS (FSYNC, AD0, SCLK, SDI, CS)
V
IH
, High Level Input Voltage
0.7*VDDIO
V
1
V
IL
, Low Level Input Voltage
0.3*VDDIO
V
C
I
, Input Capacitance
< 10
pF
DIGITAL OUTPUT (SDO, INT)
V
OH
, High Level Output Voltage
R
LOAD
=1 MΩ;
0.9*VDDIO
V
1
V
OL1
, LOW-Level Output Voltage
R
LOAD
=1 MΩ;
0.1*VDDIO
V
V
OL.INT1
, INT Low-Level Output Voltage
OPEN=1, 0.3 mA sink
Current
0.1
V
Output Leakage Current
OPEN=1
100
nA
t
INT
, INT Pulse Width
LATCH_INT_EN=0
50
µs
I
2
C I/O (SCL, SDA)
V
IL
, LOW Level Input Voltage
-0.5V
0.3*VDDIO
V
1
V
IH
, HIGH-Level Input Voltage
0.7*VDDIO
VDDIO +
0.5V
V
V
hys
, Hysteresis
0.1*VDDIO
V
V
OL
, LOW-Level Output Voltage
3 mA sink current
0
0.4
V
I
OL
, LOW-Level Output Current
V
OL
=0.4V
V
OL
=0.6V
3
6
mA
mA
Output Leakage Current
100
nA
t
of
, Output Fall Time from V
IHmax
to
V
ILmax
C
b
bus capacitance in pf 20+0.1C
b
250 ns
AUXILLIARY I/O (AUX_CL, AUX_DA)
V
IL
, LOW-Level Input Voltage
-0.5V
0.3*VDDIO
V
1
V
IH
, HIGH-Level Input Voltage
0.7* VDDIO
VDDIO +
0.5V
V
V
hys
, Hysteresis
0.1* VDDIO
V
V
OL1
, LOW-Level Output Voltage
VDDIO > 2V; 1 mA sink
current
0
0.4
V
V
OL3
, LOW-Level Output Voltage
VDDIO < 2V; 1 mA sink
current
0
0.2* VDDIO
V
I
OL
, LOW-Level Output Current
V
OL
= 0.4V
V
OL
= 0.6V
3
6
mA
mA
Output Leakage Current
100
nA
t
of
, Output Fall Time from V
IHmax
to
V
ILmax
C
b
bus capacitance in pF
20+0.1C
b
250
ns