參數(shù)資料
型號： ADUC702X
廠商： Analog Devices, Inc.
元件分類： 32位微控制器
英文描述： Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU
中文描述： 精密模擬微控制器的12位模擬I / O，ARM7TDMI的微控制器
文件頁數(shù)： 3/80頁
文件大小： 840K
代理商： ADUC702X
Preliminary Technical Data
ADuC702x Series
ADUC702X—SPECIFICATIONS
1
Table 1. (AV
DD
= IOV
DD
= 2.7 V to 3.6 V, V
REF
= 2.5 V Internal Reference, f
CORE
= 45MHz, All specifications T
A
= T
MAX
to T
MIN
,
unless otherwise noted.)
Parameter
ADuC702x
ADC CHANNEL SPECIFICATIONS
ADC Powerup Time
500
DC Accuracy
2, 3
Resolution
12
Integral Nonlinearity
Integral Nonlinearity
4
±2.0
Differential Nonlinearity
Differential Nonlinearity
4
DC Code Distribution
1
CALIBRATED ENDPOINT ERRORS
5
Offset Error
Offset Error Match
±1
Gain Error
Gain Error Match
±1
DYNAMIC PERFORMANCE
Signal-to-Noise Ratio (SNR)
6
71
Total Harmonic Distortion (THD)
-78
Peak Harmonic or Spurious Noise
Channel-to-Channel Crosstalk
7
-80
ANALOG INPUT
Input Voltage Ranges
Differential mode
V
CM8
±V
REF
/2
Single-ended mode
0 to V
REF
Leakage Current
±5
Input Capacitance
20
ON-CHIP VOLTAGE REFERENCE
Output Voltage
2.5
Accuracy
±10
Reference Temperature Coefficient
Power Supply Rejection Ratio
80
Output Impedance
Internal V
REF
Power-On Time
1
EXTERNAL REFERENCE INPUT
9
Input Voltage Range
Input Impedance
TBD
DAC CHANNEL SPECIFICATIONS
DC ACCURACY
Resolution
12
Relative Accuracy
±2
Differential Nonlinearity
±1
Offset Error
±5
Gain Error
Gain Error Mismatch
TBD
Rev. PrB | Page 3 of 80
Unit
uS
Bits
LSB max
LSB typ
LSB max
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
dB typ
dB typ
dB typ
dB typ
Volts
Volts
μA max
pF typ
V
mV max
ppm/°C typ
dB typ
typ
ms typ
V min
V max
K typ
Bits
LSB typ
LSB max
mV max
mV max
% max
% typ
Test Conditions/Comments
f
SAMPLE
= 1MSPS
2.5V internal reference
2.5V internal reference
1.0V external reference
2.5V internal reference
2.5V internal reference
1.0V external reference
ADC input is a dc voltage
±1.5
±0.5
+1/-0.9
±0.5
+1/-0.9
±5
±5
Fin = 10kHz Sine Wave, f
SAMPLE
= 1MSPS
-78
During ADC Acquisition
0.47μF from V
REF
to AGND
Measured at T
A
= 25°C
±10
10
0.625
AV
DD
R
L
= 5k
, C
L
= 100pF
Guaranteed Monotonic
DAC output unbuffered
DAC output buffered
% of fullscale on DAC0
±2
±0.5
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