MAXQ3181 Maxim, MAXQ3181 Datasheet - Page 10

• Manufacturer Part Number: MAXQ3181
• Description: The MAXQ3181 is a dedicated electricity measurement front-end that collects and calculates polyphase voltage, current, active power and energy, and many other metering parameters of a polyphase load
• Manufacturer: Maxim

Low-Power, Active Energy, Polyphase AFE
ELECTRICAL CHARACTERISTICS (continued)
(V
Note 1: Specifications guaranteed by design but not production tested.
Note 2: Specifications to -40°C are guaranteed by design and are not production tested.
Note 3: t
10
SSEL Low to First SCLK Edge
(Slave Enable)
Last SCLK Edge to SSEL High
(Slave Disable)
MOSI Valid to SCLK Sample
Edge (MOSI Setup)
SCLK Sample Edge to MOSI
Change (MOSI Hold)
SCLK Shift Edge to MISO Valid
(MISO Hold)
AVDD
______________________________________________________________________________________
= V
SYS
PARAMETER
DVDD
DATA OUTPUT
= 1/f
DATA INPUT
= V
SYS
SCLK
SSEL
RST
, where f
to 3.6V, T
SYS
is the system clock frequency, external or internal.
A
= -40°C to +85°C, unless otherwise noted.) (Note 2)
SYMBOL
t
t
t
t
SOV
t
SIS
SIH
SE
SD
t
SE
SHIFT EDGE
(Note 3)
t
SOV
t
SCL
t
SIS
CONDITIONS
SAMPLE EDGE
t
SIH
t
SCH
SPI Slave Mode Timing
t
t
4/t
SYS
SYS
MIN
SYS
5
t
+ 5
+ 5
SD
TYP
3t
SYS
MAX
+ 5
UNITS
ns
ns
ns
ns
ns