Rainbow Electronics MAXQ7670 - Manual (Page 3)

MAXQ7670
Microcontroller with 10-Bit ADC,
PGA, 64KB Flash, and CAN Interface
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PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MEMORY SECTION
Flash Memory Size Program or data storage 64 KB
Flash Page Size 16-bit word size 256 Words
Flash Erase/Write Endurance Program or data (Note 7) 10,000 Cycles
All flash, T A = +25°C 100
Flash Data Retention (Note 7)
All flash, T A = +85°C 15
Years
Flash page erase 20 50
Flash Erase Time
Entire flash mass erase 200 500
ms
Flash single word programming 20 40 µs
Flash Programming Time
Entire flash programming 0.66 1.31 s
RAM Memory Size 2 KB
Utility ROM Size 16-bit word size 4 KWords
ANALOG SENSE PATH (Includes PGA and ADC)
Resolution N ADC No missing codes 10 Bits
PGA gain = 16V/V, bipolar mode,
V
IN = ±100mV, 150.9ksps
±0.5 ±1
Integral Nonlinearity INL ADC
PGA gain = 1V/V, unipolar mode,
V
IN = +1.0V, 250ksps
±0.4 ±1
LSB 10
Differential Nonlinearity DNL ADC PGA gain = 1V/V or 16V/V ±0.4 ±1 LSB 10
Input-Referred Offset Error
Test at T A = +25°C,
PGA gain = 1V/V or 16V/V
±1 ±10 mV
Offset-Error Temperature
Coefficient
PGA gain = 16V/V, bipolar mode ±2 µV/°C
Gain Error
PGA gain = 16V/V, bipolar mode,
excludes offset and reference error,
test at T
A = +25°C
-2 +2 %
Gain-Error Temperature
Coefficient
PGA gain = 16V/V, bipolar mode ±5 ppm/°C
Conversion Clock Frequency f ADCCLK f SYSCLK = 8MHz or 16MHz 0.5 4.0 MHz
PGA gain = 16V/V, f ADCCLK = 4MHz 150.9
Sample Rate f SAMPLE
PGA gain = 1V/V, f ADCCLK = 4MHz 250
ksps
PGA gain = 16V/V,
13.5 ADCCLK cycles at 4MHz
3.375
Channel Select, Track-and-
Hold Acquisition Time
t
ACQ
PGA gain = 1V/V,
three ADCCLK cycles at 4MHz
0.75
µs
Conversion Time t CONV 13 ADCCLK cycles at 4MHz 3.25 µs
ELECTRICAL CHARACTERISTICS (continued)
(V DVDDIO = +5.0V, V AVDD = +3.3V, V DVDD = +2.5V, V REFADC = +3.3V, system clock = 16MHz. T A = T MIN to T MAX , unless otherwise
noted. Typical values are at T A = +25°C.) (Note 1)