AD7706BR データシートの表示（PDF） - Analog Devices
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AD7706BR Datasheet PDF : 44 Pages
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AD7705/AD7706
Parameter
AIN Input Sampling Rate, fS
Reference Input Range
REF IN(+) − REF IN(−) Voltage
B Version1
Gain × fCLKIN/64
fCLKIN/8
1/1.75
REF IN(+) − REF IN(−) Voltage
1/3.5
REF IN Input Sampling Rate, fS
LOGIC INPUTS
Input Current
All Inputs, Except MCLK IN
MCLK IN
All Inputs, Except SCLK and MCLK IN
Input Low Voltage, VINL
Input High Voltage, VINH
SCLK Only (Schmitt-Triggered Input)
VT+
VT−
VT+ − VT−
SCLK Only (Schmitt-Triggered Input)
VT+
VT−
VT+ − VT−
MCLK IN Only
Input Low Voltage, VINL
Input High Voltage, VINH
MCLK IN Only
Input Low Voltage, VINL
Input High Voltage, VINH
LOGIC OUTPUTS (Including MCLK OUT)
Output Low Voltage, VOL
Output Low Voltage, VOL
Output High Voltage, VOH
Output High Voltage, VOH
Floating State Leakage Current
Floating State Output Capacitance14
Data Output Coding
SYSTEM CALIBRATION
Positive Full-Scale Limit15
Negative Full-Scale Limit15
Offset Limit15
Input Span16
fCLKIN/64
±1
±10
0.8
0.4
2.0
1.4/3
0.8/1.4
0.4/0.8
1/2
0.4/1.1
0.375/0.8
0.8
3.5
0.4
2.5
0.4
0.4
4
VDD − 0.6
±10
9
Binary
Offset binary
(1.05 × VREF)/gain
−(1.05 × VREF)/gain
−(1.05 × VREF)/gain
(0.8 × VREF)/gain
(2.1 × VREF)/gain
Unit
V min/V max
V min/V max
Conditions/Comments
For gains of 1 to 4
For gains of 8 to 128
VDD = 2.7 V to 3.3 V
VREF = 1.225 ± 1% for specified performance
VDD = 4.75 V to 5.25 V
VREF = 2.5 ± 1% for specified performance
μA max
μA max
Typically ±20 nA
Typically ±2 μA
V max
V max
V min
V min/V max
V min/V max
V min/V max
V min/V max
V min/V max
V min/V max
V max
V min
V max
V min
VDD = 5 V
VDD = 3 V
VDD = 3 V and 5 V
VDD = 5 V nominal
VDD = 3 V nominal
VDD = 5 V nominal
VDD = 3 V nominal
V max
V max
V min
V min
μA max
pF typ
ISINK = 800 μA, except for MCLK OUT;13 VDD = 5 V
ISINK = 100 μA, except for MCLK OUT;13 VDD = 3 V
ISOURCE = 200 μA, except for MCLK OUT;13 VDD = 5 V
ISOURCE = 100 μA, except for MCLK OUT;13 VDD = 3 V
Unipolar mode
Bipolar mode
V max
V max
V max
V min
V max
Gain is the selected PGA gain (1 to 128)
Gain is the selected PGA gain (1 to 128)
Gain is the selected PGA gain (1 to 128)
Gain is the selected PGA gain (1 to 128)
Gain is the selected PGA gain (1 to 128)
Rev. C | Page 6 of 44
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