MAXQ7670A Maxim, MAXQ7670A Datasheet - Page 7

• Manufacturer Part Number: MAXQ7670A
• Description: The MAXQ7670A is a highly integrated solution for measuring multiple analog signals and outputting the results on a control area network (CAN) bus
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
noted. Typical values are at T
Output Capacitance
Maximum Output Impedance
SYSTEM CLOCK
System Clock Frequency
SPI INTERFACE TIMING
SPI Master Operating
Frequency
SPI Slave Mode Operating
Frequency
SCLK Output Pulse-Width
High/Low
SCLK Input Pulse-Width
High/Low
MOSI Output Hold Time
After SCLK Sample Edge
MOSI Output Setup Time to
SCLK Sample Edge
MISO Input Setup Time to
SCLK Sample Edge
MISO Input Hold Time After
SCLK Sample Edge
SCLK Inactive to MOSI
Inactive
MOSI Input Setup Time to
SCLK Sample Edge
MOSI Input Hold Time After
SCLK Sample Edge
MISO Output Valid After
SCLK Shift Edge Transition
MISO Output Disabled After
SS Edge Rise
SS Falling Edge to MISO Active
DVDDIO
= +5.0V, V
PARAMETER
AVDD
_______________________________________________________________________________________
= +3.3V, V
A
PGA, 64KB Flash, and CAN Interface
= +25°C.) (Note 1)
t
SYMBOL
SCH
f
SYSCLK
f
f
t
t
t
DVDD
MCLK
t
t
SCLK
MCH
t
t
t
t
MOH
MOS
t
t
MCL
MLH
t
SOV
SOE
MIH
SLH
MIS
SIH
SIS
, t
SCL
,
Microcontroller with 12-Bit ADC,
= +2.5V, V
I/O pins three-state
PD0._ = 0
PD0._ = 1
From any clock source
0.5 x f
SYSCLK
REFADC
CONDITIONS
= +3.3V, system clock = 16MHz. T
2 t
t
t
t
t
t
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
+ 2.5
SYSCLK
+ 25
MIN
- 25
- 25
- 25
- 25
30
30
0
0
A
= T
t
SYSCLK
TYP
880
450
15
MIN
to T
MAX
f
3 t
2 t
SYSCLK
16.67
MAX
SYSCLK
SYSCLK
+ 25
+ 50
, unless otherwise
8
/8
UNITS
MHz
MHz
MHz
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Ω
7