ADUC7126 Analog Devices, ADUC7126 Datasheet - Page 5

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ADUC7126

Manufacturer Part Number
ADUC7126
Description
Precision Analog Microcontroller, 12-Bit Analog I/O, Large Memory, ARM7TDMI MCU with Enhanced IRQ Handler
Manufacturer
Analog Devices
Datasheet

Specifications of ADUC7126

Mcu Core
ARM7 TDMI
Mcu Speed (mips)
40
Gpio Pins
40
Adc # Channels
16
Other
PWM

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SPECIFICATIONS
AV
Table 1.
Parameter
ADC CHANNEL SPECIFICATIONS
ENDPOINT ERRORS
DYNAMIC PERFORMANCE
ANALOG INPUT
ON-CHIP VOLTAGE REFERENCE
EXTERNAL REFERENCE INPUT
DAC CHANNEL SPECIFICATIONS
ADC Power-Up Time
DC Accuracy
Resolution
Integral Nonlinearity
Differential Nonlinearity
DC Code Distribution
Offset Error
Offset Error Match
Gain Error
Gain Error Match
Signal-to-Noise Ratio (SNR)
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise
Channel-to-Channel Crosstalk
Input Voltage Ranges
Leakage Current
Input Capacitance
Output Voltage
Accuracy
Reference Temperature Coefficient
Power Supply Rejection Ratio
Output Impedance
Internal V
Input Voltage Range
DC Accuracy
DD
Differential Mode
Single-Ended Mode
Resolution
Relative Accuracy
Differential Nonlinearity
Offset Error
Gain Error
Gain Error Mismatch
= IOV
REF
DD
Power-On Time
8
= 2.7 V to 3.6 V, V
1, 2
7
5
4
3, 4
REF
= 2.5 V internal reference, f
Min
12
0.625
Typ
5
±0.6
±1.0
±0.5
+0.7/−0.6
1
±1
±1
±2
±1
69
−78
−75
−90
±1
24
2.5
±15
80
45
1
12
±2
0.1
Rev. B | Page 5 of 104
CORE
Max
±1.5
+1/−0.9
±2
±5
V
0 to V
±6
±5
AV
±1
10
1.0
CM
DD
6
= 41.78 MHz, T
± V
REF
REF
/2
Unit
μs
Bits
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
dB
dB
dB
dB
V
V
µA
pF
V
mV
ppm/°C
dB
ms
V
Bits
LSB
LSB
mV
%
%
A
= −40°C to +125°C, unless otherwise noted.
Test Conditions/Comments
Eight acquisition clocks and f
2.5 V internal reference
1.0 V external reference
2.5 V internal reference
1.0 V external reference
ADC input is a dc voltage
f
Includes distortion and noise components
Measured on adjacent channels; input channels
not being sampled have a 25 kHz sine wave
connected to them
During ADC acquisition
0.47 µF from V
T
T
R
Guaranteed monotonic
2.5 V internal reference
% of full scale on DAC0
IN
A
A
L
= 10 kHz sine wave, f
= 25°C
= 25°C
= 5 kΩ, C
L
= 100 pF
REF
ADuC7124/ADuC7126
to AGND
SAMPLE
= 1 MSPS
ADC
/2

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