Typical operating characteristics – Rainbow Electronics MAXQ7670 User Manual
Page 10
MAXQ7670
Microcontroller with 10-Bit ADC,
PGA, 64KB Flash, and CAN Interface
10
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GPO._ OUTPUT HIGH VOLTAGE
vs. SOURCE CURRENT
I
OH
(mA)
V
OH
(V)
MAXQ7670 toc01
0
0.5
1.0
1.5
2.0
2.5
0
1
2
3
4
5
T
A
= -40
°
C
T
A
= -40
°
C
T
A
= +85
°
C
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= +25
°
C
PS0._ = 1
T
A
= +105
°
C
T
A
= +105
°
C
PS0._ = 0
GPO._ OUTPUT LOW VOLTAGE
vs. SINK CURRENT
I
OL
(mA)
V
OL
(V)
MAXQ7670 toc02
0
0.5
1.0
1.5
2.0
2.5
0
1
2
3
4
5
T
A
= -40
°
C
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= +105
°
C
T
A
= -40
°
C
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= +105
°
C
PS0._ = 1
PS0._ = 0
ADC INL vs. CODE
(REF ADC = +3.3V, 150.9ksps, PGA GAIN = 16V/V)
DIGITAL OUTPUT CODE
ADC INL (LSB)
MAXQ7670 toc03
-512
-256
0
256
512
-1.5
-0.5
-1.0
0
0.5
1.0
1.5
BIPOLAR MODE
V
IN
= -100mV TO +100mV
ADC DNL vs. CODE
(REFADC = +3.3V, 150.9ksps,
PGA GAIN = 16V/V)
DIGITAL OUTPUT CODE
ADC DNL (LSB)
MAXQ7670 toc04
-512
-256
0
256
512
-1.0
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
BIPOLAR MODE
V
IN
= -100mV to +100mV
ADC OFFSET ERROR vs. TEMPERATURE
TEMPERATURE (
°
C)
OFFSET ERROR (mV)
MAXQ7670 toc05
-40 -25 -10 5
20 35 50 65 80 95 110 125
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
BIPOLAR MODE
PGA GAIN = 16V/V
V
IN-DIFF
= 0
V
IN-CM
= +1.65V
ADC GAIN ERROR vs. TEMPERATURE
TEMPERATURE (
°
C)
GAIN ERROR (%)
MAXQ7670 toc06
-40 -25 -10 5
20 35 50 65 80 95 110 125
-1.0
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
BIPOLAR MODE
PGA GAIN = 16V/V
V
IN-DIFF
= 200mV
V
IN-CM
= +1.65V
10ms/div
DVDD, RESET POWER-UP
CHARACTERISTICS
DVDDIO
2V/div
DVDD
1V/div
MAXQ7670 toc07
RESET
2V/div
REGEN2 = GNDIO
20ms/div
DVDD, RESET POWER-DOWN
CHARACTERISTICS
DVDDIO
2V/div
DVDD
1V/div
MAXQ7670 toc08
RESET
2V/div
REGEN2 = GNDIO
MAXIMUM DVDD TRANSIENT DURATION
vs. BOI THRESHOLD OVERDRIVE
DV
DD
BOI THRESHOLD OVERDRIVE (mV)
MAXIMUM TRANSIENT DURATION (
µ
s)
MAXQ7670 toc09
0
20
40
60
80
100
120
140
160
180
200
1
10
100
1000
BOI ASSERTED ABOVE THIS LINE
Typical Operating Characteristics
(V
DVDDIO
= 5.0V, V
AVDD
= 3.3V, V
DVDD
= 2.5V, f
SYSCLK
= 16MHz, ADC resolution = 10 bits, V
REFDAC
= 3.3V, T
A
= +25°C, unless
otherwise noted.)