MAXQ7670A Maxim, MAXQ7670A Datasheet - Page 11
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MAXQ7670A
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
Datasheet
1.MAXQ7670A.pdf
(38 pages)
(V
otherwise noted.)
DVDDIO
3.40
3.35
3.30
3.25
3.20
2.60
2.55
2.50
2.45
2.40
200
180
160
140
120
100
80
60
40
20
0
AVDD LINEAR REGULATOR OUTPUT VOLTAGE
DVDD LINEAR REGULATOR OUTPUT VOLTAGE
MAXIMUM DVDDIO TRANSIENT DURATION
-40 -25 -10 5 20 35 50 65 80 95 110 125
-40 -25 -10 5 20 35 50 65 80 95 110 125
1
LRAPD = 0
I
OUT
REGEN2 = DVDDIO
I
= 5.0V, V
OUT
DVDDIO BOI THRESHOLD OVERDRIVE (mV)
vs. BOI THRESHOLD OVERDRIVE
= 10mA
= 10mA
BOI ASSERTED ABOVE THIS LINE
vs. TEMPERATURE
vs. TEMPERATURE
TEMPERATURE (°C)
10
TEMPERATURE (°C)
AVDD
______________________________________________________________________________________
= 3.3V, V
100
PGA, 64KB Flash, and CAN Interface
DVDD
1000
= 2.5V, f
Microcontroller with 12-Bit ADC,
3.40
3.35
3.30
3.25
3.20
2.60
2.55
2.50
2.45
2.40
SYSCLK
Typical Operating Characteristics (continued)
200
180
160
140
120
100
80
60
40
20
DVDD LINEAR REGULATOR OUTPUT VOLTAGE
0
AVDD LINEAR REGULATOR OUTPUT VOLTAGE
0
0
MAXIMUM AVDD TRANSIENT DURATION
1
LRAPD = 0
REGEN2 = DVDDIO
5
5
vs. BOI THRESHOLD OVERDRIVE
AVDD BOI THRESHOLD OVERDRIVE (mV)
= 16MHz, ADC resolution = 12 bits, V
10 15 20 25 30 35 40 45 50
10 15 20 25 30 35 40 45 50
vs. LOAD CURRENT
vs. LOAD CURRENT
LOAD CURRENT (mA)
LOAD CURRENT (mA)
10
BOI ASSERTED ABOVE THIS LINE
100
1000
REFDAC
17.0
16.5
16.0
15.5
15.0
14.5
14.0
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
AVDD LINEAR REGULATOR OUTPUT VOLTAGE
DVDD LINEAR REGULATOR OUTPUT VOLTAGE
-40 -25 -10 5 20 35 50 65 80 95 110 125
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
RC OSCILLATOR OUTPUT FREQUENCY
LRAPD = 0
I
REGEN2 = DVDDIO
I
OUT
OUT
= 3.3V, T
vs. DVDDIO SUPPLY VOLTAGE
vs. DVDDIO SUPPLY VOLTAGE
= 10mA
= 10mA
vs. TEMPERATURE
TEMPERATURE (°C)
A
DVDDIO (V)
DVDDIO (V)
= +25°C, unless
11