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ADUCM322BBCZI-RL

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23
ADuCM322i Data Sheet
Rev. 0 | Page 4 of 23
SPECIFICATIONS
MICROCONTROLLER ELECTRICAL SPECIFICATIONS
AVDD = IOVDD = VDD1 = 2.9 V to 3.6 V (see Figure 12), maximum difference between supplies = 0.3 V, VREF = 2.5 V internal reference,
f
CORE
= 80 MHz, T
A
= −40°C to +105°C, unless otherwise noted. The power-up sequence must be VDD1, IOVDDx, and AVDDx, but no
delays in the sequence are required.
Table 1.
Parameter Symbol Min Typ Max Unit Test Conditions/Comments
ADC BASIC SPECIFICATIONS Single-ended mode, unless
otherwise stated
ADC Power-Up Time 5 µs
Data Rate f
SAMPLE
1 MSPS
DC Accuracy
1
12 Bits 1 LSB = 2.5 V/2
12
Resolution
1
16 Bits Number of data bits
Integral Nonlinearity INL ±1.75 LSB 2.5 V internal reference; 1 LSB =
2.5 V/2
12
±1.75 LSB 2.5 V external reference; 1 LSB =
2.5 V/2
12
Differential Nonlinearity DNL −0.99 ±0.75 +1.5 LSB 2.5 V internal reference; 1 LSB =
2.5 V/2
12
±0.75 LSB 2.5 V external reference; 1 LSB =
2.5 V/2
12
DC Code Distribution ±3 LSB ADC input 1.25 V; 1 LSB = 2.5 V/2
12
ADC ENDPOINT ERRORS
Offset Error ±200 µV
Drift
1
−3.92 0.3 +1.21 µV/°C Using 2.5 V external reference
Match ±1 LSB Matching compared to AIN8
Full-Scale Error ±400 µV
Gain Drift
1
−4 +5 µV/°C Full-scale error drift minus offset
error drift
Match
±1 LSB
ADC DYNAMIC PERFORMANCE f
IN
= 665.25 Hz sine wave, f
SAMPLE
=
100 kSPS; input filter = 15 Ω, C
L
= 2 nF
Signal-to-Noise Ratio SNR 80 dB Includes distortion and noise
components
Total Harmonic Distortion THD −86 dB
Peak Harmonic or Spurious Noise −88 dB
Channel-to-Channel Crosstalk −90 dB Measured on adjacent channels
ADC INPUT
Input Voltage Ranges
Single-Ended Mode
1
AGND VREF
Compliance
1
AGND4 AVDD4
Leakage Current ±1.5 nA
Input Current ±9 µA/V At 1 MSPS
±6 µA/V ≤800 kSPS
±4 µA/V 500 kSPS, ADCCNVC, Bits[25:16] =
0x1E
Input Capacitance 20 pF During ADC acquisition
ON-CHIP VOLTAGE REFERENCE 2.51 V 0.47 µF from VREF_1V2 to AGND4;
reference is measured with all ADC
and VDACs enabled
Accuracy
±5
T
A
= 25°C
Reference Temperature Coefficient
1
±15 ppm/°C
Power Supply Rejection Ratio PSRR 60 dB
Internal V
REF
Power-On Time 50 ms
Data Sheet ADuCM322i
Rev. 0 | Page 5 of 23
Parameter Symbol Min Typ Max Unit Test Conditions/Comments
EXTERNAL REFERENCE INPUT
Range
1
1.8 2.5 V ADC
Input Current 200 µA
BUFFERED REFFERNCE OUTPUT
Output Voltage 2.504 V
Accuracy ±8 mV T
A
= 25°C, load = 1.2 mA
Reference Temperature Coefficient
1
±15 µV/°C 100 nF from BUF_VREF2V5 to AGND4
Output Impedance 10 Ω T
A
= 25°C
Load Current
1
1.2 mA
VDAC CHANNEL SPECIFICATIONS R
L
= 5 kΩ, C
L
= 100 pF
2
DC Accuracy
1
12 Bits 1 LSB = 2.5 V/2
12
Resolution
1
12 Bits Number of data bits
Relative Accuracy
3
INL ±4 LSB 1 LSB = 2.5 V/2
12
Differential Nonlinearity
3
DNL +1/−0.99 LSB Guaranteed monotonic, 1 LSB =
2.5 V/2
12
Offset Error ±3 ±15 mV 2.5 V internal reference,
DAC Output Code 0
Drift ±18 µV/°C
Gain Error
4
±0.3 ±0.85 % 0 V to internal V
REF
range
±0.4 ±1 % 0 V to AVDD range
Drift 6.5 ppm/°C Excluding reference drift
Mismatch 0.1 % % of full scale on DAC0
Analog Outputs
Output Voltage Range 1
1
0.15 2.5 V
Output Voltage Range 2
1
0.15 AVDDx − 0.15 V
Output Impedance 2 Ω
DAC AC Characteristics
Output Settling Time
10
Settled to ±1 LSB
Glitch Energy
±20
nV-sec
1 LSB change when the maximum
number of bits changes simultane-
ously in the DACxDAT register
COMPARATOR
Input
Offset Voltage ±10 mV
Bias Current 1 nA
Voltage Range
1
AGNDx AVDDx − 1.2 V
Capacitance 7 pF
Hysteresis
1
8.5 15 mV When enabled in software
Response Time 7 µs AFECOMP, Bits[2:1] = 0
TEMPERATURE SENSOR Indicates die temperature, see
Figure 9
Resolution 0.5 °C When precision calibrated by the
user
5
Accuracy
1
1.34 1.43 V ADC measured voltage for
temperature sensor channel without
calibration, T
A
= 25°C
POWER-ON RESET POR 2.85 2.9 V
WATCHDOG TIMER WDT
Timeout Period 32 sec Default at power-up
FLASH/EE MEMORY
Endurance
1
10,000 Cycles
Data Retention
1
20 Years T
J
= 85°C
ADuCM322i Data Sheet
Rev. 0 | Page 6 of 23
Parameter Symbol Min Typ Max Unit Test Conditions/Comments
DIGITAL INPUTS
Input Leakage Current
Logic 1 GPIO 1 nA V
IH
= V
DD
, pull-up resistor disabled
Logic 0 GPIO 10 nA V
IL
= 0 V, pull-up resistor disabled
PRTADDRx
Input Leakage Current 16 µA V
IN
= 0 V to 1.8 V, due to weak pull-
up resistors to 1.8 V
Input Voltage
0.84
1.5
External resistor 91 kΩ ± 1% to
ground; range for CFP MSA high
1
Input Capacitance, All Balls Except
MCK, MDIO, PRTADDRx, and XTALx
10 pF
Input Capacitance
MCK, PRTADDRx 6.5 pF
MDIO 8.5 pF
Ball Capacitance
XTALI 5 pF
XTALO 5 pF
LOGIC INPUTS
GPIO Input Voltage
Low V
INL
0.25 × IOVDDx V
High
V
INH
0.58 × IOVDDx
MDIO
PRTADDRx Input Voltage
Low V
INL
0.36 V
High V
INH
0.84 V
MCK, MDIO Input Voltage Setup time ≥10 ns; hold time ≥10 ns;
MCK/MDIO
Low V
INL
0.36 V
High V
INH
0.84 V
XTALI Input Voltage
Low V
INL
1.1 V
High V
INH
1.7 V
Pull-Up Current
30
120
V
IN
= 0 V, see Figure 10
Pull-Down Current
30
100
V
IN
= 3.3 V, see Figure 10
LOGIC OUTPUTS All digital outputs excluding XTALO
GPIO Output Voltage
6
High V
OH
IOVDDx − 0.4 V I
SOURCE
= 2 mA
Low V
OL
0.4 V I
SINK
= 2 mA
GPIO Short-Circuit Current
1
11 mA See Figure 11
MDIO
Output Voltage
High V
OH
1.0 V I
SOURCE
= 4 mA
Low V
OL
0.2 V I
SINK
= 4 mA
Delay Time 100 ns MCK to MDIO out
OSCILLATORS
Internal System Oscillator 16 MHz
Accuracy ±0.5 ±3 %
System PLL 80 MHz Main system clock
External Crystal Oscillator 16 MHz Can be selected in place of the
internal oscillator
32 kHz Internal Oscillator 32.768 kHz Use for watchdog
Accuracy ±5 ±20 %
External Clock 0.05 80 MHz Can be selected in place of PLL
START-UP TIME Processor clock = 80 MHz
At Power-On 40 ms POR to first user code execution
After Other Reset 1.5 ms Reset to first user code execution
From All Power-Down Modes 1.25 µs
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23

ADUCM322BBCZI-RL

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Buy ADUCM322BBCZI-RL
Manufacturer:
Analog Devices Inc.
Description:
ARM Microcontrollers - MCU 80Mhz Cortex M3
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