Comparator (Comp) - Texas Instruments MSPM0G350 Series Manual

MSPM0G3507-Q1, MSPM0G3506-Q1, MSPM0G3505-Q1
SLASF88 – OCTOBER 2023
7.14.2 Electrical Characteristics (continued)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
Temperature coefficient of VREF
TC
VREF
(Bandgap+VRBUF)
Temperature coefficient of VREF
TC
VREF
(Bandgap+VRBUF)
TC Long term VREF drift
drift
VREF Power supply rejection ratio,
PSRR
DC
DC
RMS noise at VREF output (0.1 Hz
V
noise
to 100 MHz)
Recommended VREF decoupling
C
VREF
capacitor on VREF+ pin
T VREF startup time
startup
VREF External capacitor refresh
T
refresh
time
(1) The specified MAX output drive strength is supported regardless of which peripherals are being used in the device.
(2) The temperature coefficient of the VREF output is the sum of TC
reference.
(3) Decoupling capacitor (C
VREF
pin to VREF-/GND. When using the VREF+/- pins to supply an external reference, a decoupling capacitor value should be selected
based on the external reference source.
(4) A ceramic capacitor with package size of 0805 or smaller is preferred. Up to ±20% tolerance is acceptable
(5) The VREF module should only be enabled when C

7.15 Comparator (COMP)

7.15.1 Comparator Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
Comparator Electrical Characteristics
Vcm Common mode input range
V Input offset voltage
offset
V DC input hysteresis
hys
Propagation delay, response
t time
PD_ls
t Comparator enable time
en
Comparator current
I
comp
consumption.
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BUFCONFIG =
(3)
{1}
BUFCONFIG =
(3)
{0}
Time = 1000 hours, BUFCONFIG = {0, 1}, T = 25℃
VDD = 1.7 V to VDDmax, BUFCONFIG = 1
VDD = 2.7 V to VDDmax, BUFCONFIG = 0
BUFCONFIG = 1
BUFCONFIG = 0
(3) (4) (5)
BUFCONFIG = {0, 1} , VDD = 2.8 V, C
) is required when using the internal voltage reference VREF and should be connected from the VREF+
is connected and should not be enabled otherwise.
VREF
TEST CONDITIONS
HYST=00h
HYST=01h
HYST=02h
HYST=03h
Output Filter off, Overdrive = 100 mV, High Speed
Mode
Output Filter off, Overdrive = 100 mV, Low Power
Mode
Startup time to reach propagation delay
specification, High Speed Mode (comparator only)
Startup time to reach propagation delay
specification, Low Power Mode (comparator only)
Vcm = VDD/2, 100mV overdrive, DAC output as a
voltage reference, VDD is reference for DAC, High
Speed Mode
Vcm = VDD/2, 100mV overdrive, DAC output as a
voltage reference, VDD is reference for DAC, Low
Power Mode
Vcm = VDD/2, 100mV overdrive, comparator only.
High Speed Mode
Vcm = VDD/2, 100mV overdrive, comparator
only, Low Power Mode
Product Folder Links: MSPM0G3507-Q1 MSPM0G3506-Q1 MSPM0G3505-Q1
TEST CONDITIONS
BUFCONFIG = {1}
BUFCONFIG = {0}
= 1µF
VREF
and the temperature coefficient of the internal bandgap
VRBUF
MIN TYP MAX
75 ppm/°C
75 ppm/°C
300
-57 -63
-49 -53
500
900
0.7 1 1.15
200
31.25
MIN TYP MAX
0 VDD
-20 20
0.4
5 15
10 30
15 45
32 50
1.2 4
10
10
130 200
0.84 2.7
102 180
0.7 2.1
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UNIT
ppm
dB
µVrms
µF
µS
UNIT
V
mV
mV
ns
µs
µs
µs
µA
µA
µA
µA