LTC6820 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Lista de partido
LTC6820 Datasheet PDF : 28 Pages
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LTC6820
Typical Performance Characteristics VDD = VDDS, unless otherwise noted.
Comparator Threshold Gain
vs ICMP Voltage
0.56
3 PARTS
0.54
Comparator Threshold Gain
vs Common Mode
0.56
0.54
0.52
0.50
0.48
0.46
0.44
0
VDD = 3V
VDD = 5V
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
ICMP VOLTAGE (V)
6820 G16
Wake-Up Pulse Amplitude
vs Dwell Time
300
VDD = 3V
250
GUARANTEED
WAKE-UP REGION
0.52 VICMP = 1V
VDD = 3V
0.50
VICMP = 0.2V
0.48 VDD = 3V
0.46
VICMP = 1V
VDD = 5V
VICMP = 0.2V
VDD = 5V
0.44
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
COMMON MODE VOLTAGE (V)
6820 G17
Start-Up Time
CS
5V/DIV
200
IBIAS
2V/DIV
150
IP-IM
1V/DIV
100
50
0
150
300
450
600
WAKE-UP DWELL TIME, tDWELL (ns)
6820 G20
VDDS = 5V
MSTR = 1
RBIAS = 2k
Comparator Threshold Gain
vs Temperature
0.56
VDD = 3V
3 PARTS
0.54
0.52
0.50
0.48
0.46
0.44
–50 –25
VICMP = 1V
VICMP = 0.2V
0 25 50 75 100 125
TEMPERATURE (°C)
6820 G18
3.6µs
1µs/DIV
6820 G06
SPI Signal and isoSPI Pulses, MSTR = 1
CS
5V/DIV
SCK
5V/DIV
MOSI
5V/DIV
MIS0
5V/DIV
IP-IM
2V/DIV
VDD = 5V
VDDS = 3.3V
PHA = 1
POL = 1
1.2µs/DIV
6820 G21
SPI Signal and isoSPI Pulses, MSTR = 0
IP-IM
2V/DIV
CS
5V/DIV
SCK
5V/DIV
MOSI
5V/DIV
MIS0
5V/DIV
VDD = 5V
VDDS = 5V
PHA = 0
POL = 0
1.2µs/DIV
6820 G22
6820f
7
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