MAXQ7665AATM+ MAXIM [Maxim Integrated Products], MAXQ7665AATM+ Datasheet - Page 13

• Manufacturer Part Number: MAXQ7665AATM+
• Description: 16-Bit RISC Microcontroller-Based Smart Data-Acquisition Systems
• Manufacturer: MAXIM [Maxim Integrated Products]

AC-COUPLED
(200mV/div)
(5mV/div)
(AV
OFFSET
DV
+4.75V
DV
2.90
2.89
2.88
2.87
2.86
2.85
2.84
2.83
2.82
2.81
2.80
DDIO
DD
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
DD
0
-40
2.7
= DV
VOLTAGE vs. DV
DVBR[1:0] = [0:0]
REGEN = DV
REGEN = GND
(DV
DV
-25
DV
DV
DD
DD
DDIO
DDIO
-10 5 20 35 50
DD
VOLTAGE LINE TRANSIENT
3.2
LINEAR REGULATOR OUTPUT
LINEAR REGULATOR OUTPUT
BOR THRESHOLD VOLTAGE
vs. TEMPERATURE
= +4.75V TO +5.25V STEP)
DDIO
= +5.0V, DV
TEMPERATURE (°C)
I
LOAD
3.7
I
LOAD
DV
______________________________________________________________________________________
40µs/div
DDIO
= 0mA
I
LOAD
DDIO
= 25mA
SUPPLY VOLTAGE
4.2
(V)
= 50mA
65 80
DD
REGEN = GND
I
LOAD
4.7
MAXQ7665A toc32
= +3.3V, f
95
= 25mA
110
16-Bit RISC Microcontroller-Based
5.2
125
AC-COUPLED
Smart Data-Acquisition Systems
ADCCLK
(20mV/div)
(50mA/div)
DV
I
LOAD
2.95
2.94
2.93
2.92
2.91
2.90
2.89
2.88
2.87
2.86
2.85
Typical Operating Characteristics (continued)
3.50
3.45
3.40
3.35
3.30
DD
= 8MHz, f
-40
-40
DVBI[1:0] = [0:0]
REGEN = DV
I
REGEN = GND
LOAD
-25
DV
-25
DV
DV
DD
VOLTAGE vs. TEMPERATURE
DD
-10 5 20 35 50
-10 5 20 35 50
VOLTAGE LOAD TRANSIENT
= +25mA
DD
(I
DVDD
LINEAR REGULATOR OUTPUT
LINEAR REGULATOR OUTPUT
BOI THRESHOLD VOLTAGE
ADC
vs. TEMPERATURE
DDIO
TEMPERATURE (°C)
TEMPERATURE (°C)
= 0 TO 50mA STEP)
= 500kHz, T
40µs/div
65 80
65 80
REGEN = GND
A
MAXQ7665A toc33
95
95
= +25°C, unless otherwise noted.)
110
110
125
125
4.45
4.44
4.43
4.42
4.41
4.40
4.39
4.38
4.37
4.36
4.35
3.50
3.45
3.40
3.35
3.30
700
600
500
400
300
200
100
0
-40
0
0
REGEN = GND
VIOBI[1:0] = [0:0]
DV
REGEN = GND
-25
DV
DV
DD
VOLTAGE vs. LOAD CURRENT
DD
VOLTAGE vs. LOAD CURRENT
DDIO
-10 5 20 35 50
10
10
LINEAR REGULATOR DROPOUT
LINEAR REGULATOR OUTPUT
V
DV
+5V TO MAKE DV
DROPOUT
vs. TEMPERATURE
BOI THRESHOLD VOLTAGE
DDIO
LOAD CURRENT (mA)
LOAD CURRENT (mA)
TEMPERATURE (°C)
T
A
IS LOWERED ENOUGH BELOW
20
20
= +85°C
= DV
T
T
A
A
DDIO
T
T
= +25°C
A
A
= +85°C
DD
30
30
= -40°C
= +125°C
65 80
- DV
DROP BY 100mV.
T
A
DD
= +125°C
T
T
A
, WHEN
40
40
A
95
= -40°C
= +25°C
110
13
125
50
50