参数资料
型号: EVAL-ADUC7121QSPZ
厂商: Analog Devices Inc
文件页数: 56/96页
文件大小: 0K
描述: BOARD EVALUATION FOR ADUC7121
设计资源: ADUC7121 Gerber Files
ADUC7121 Schematic
标准包装: 1
系列: MicroConverter® ADuC7xxx
类型: MCU
适用于相关产品: ADUC7121
所含物品: 板,CD
ADuC7121
Data Sheet
Rev. B | Page 6 of 96
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
PADC1 INPUT
53.5 kΩ resistor, PGA gain = 3
Full-Scale Input Range
10.6
700
A
Input Leakage at PADC1x4
0.15
2
nA
Resolution
11
Bits
0.1% accuracy, 5 ppm external resistor for
current to voltage
Gain Error4
1
%
Gain Drift4
50
ppm/°C
Offset4
3
6
nA
PGA offset not included
Offset Drift4
30
60
pA/°C
PADC1x-Compliant Range
0.1
AVDD 1.2
V
ON-CHIP VOLTAGE REFERENCE
0.47 F from VREF to AGND
Output Voltage
2.5
V
Accuracy7
±5
mV
TA = 25°C
Reference Temperature Coefficient4
10
30
ppm/°C
Power Supply Rejection Ratio
61
dB
Output Impedance
10
Ω
TA = 25°C
Internal VREF Power-On Time
1
ms
BUFFER VREF OUT
BUF_VREFx
±80
mV
EXTERNAL REFERENCE INPUT
Input Voltage Range
1.2
AVDD
V
IDAC CHANNEL SPECIFICATIONS
Voltage Compliance Range
0.4
1.6
V
Output voltage compliance
Voltage Compliance Range, IDAC0
0.2
+1.68
V
For IDAC0 channel only, linearity not
guaranteed below 0 V
REFERENCE CURRENT GENERATOR
Reference Current
0.38
mA
Using internal reference, 0.1% 5 ppm 3.16 kΩ
external resistor
Temperature Coefficient
25
ppm/°C
Using internal reference
Short-Circuit Detection
1
mA
Overheat Shutdown
135
°C
Junction temperature
RESOLUTION
11
Bits
Guaranteed monotonic
FULL-SCALE OUTPUT
IDAC4
20
mA
IDAC3
80
mA
IDAC2
45
mA
IDAC1
200
mA
IDAC0
250
mA
Integral Nonlinearity
±2
LSB
11-bit mode
Noise Current
20
A
RMS value, bandwidth 20 Hz to 10 MHz
Full-Scale Error
±3
%
VOUT = 1.6 V
Full-Scale Error Drift
50
ppm/°C
Internal VREF, 5 ppm external resistor
Zero-Scale Error
Pull-down switch off, VOUT = 0 V
IDAC4 Channel
±30
A
IDAC3 Channel
+42/70
A
IDAC2 Channel
+70/110
A
IDAC1 Channel
±240
A
IDAC0 Channel
±250
A
Output range 0.4 V to 1.6 V
+580/430
A
Output range 0.2 V to +1.6 V
Settling Time
1
ms
To 0.1%
Signal Bandwidth
20
kHz
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