AD16720703F 데이터 시트보기 (PDF) - Analog Devices
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AD16720703F Datasheet PDF : 7 Pages
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AD1672
4.0 Electrical Table: (Cont’d)
Parameter
See notes at end of table
Analog Input
Symbol
Input Resistance
Output Voltage, High
Output Voltage, Low
Logic Inputs
Logic “0” Input Current
Logic “1” Input Current
AC Parameters:
Parameter
See notes at end of table
VOH
VOL
IIH
IIL
Symbol
Conditions 1/
Unless Otherwise Specified
2.5V Range Unipolar
5.0V Range Unipolar
5.0V Bipolar
2.5V Input Range
5.0V Input Range
IOH= 0.5 mA
IOL= 1.6 mA
VIH=VDD
VIL=0V
Conditions 1/
Unless Otherwise Specified
Signal to Noise Distortion
SINAD finput=500KHz
Signal to Noise Ratio
Total Harmonic Distortion
Spurious Free Dynamic Range
SNR
finput=500KHz
THD
SFDR
finput=500KHz
finput=500KHz
Sub
Group
1,2,3
1,2,3
1,2,3
1,2,3
Limit Min.
0
0
-2.5
1.5
3
2.4
Limit
Max
2.5
5
2.5
2.5
5
0.4
1,2,3
-10
10
Sub
Group
4
5
6
4
5
6
4,5,6
4,5,6
Limit Min.
63
59
62
66
59
62
-64
-65
Limit
Max
Units
V
K
V
V
uA
Units
dB
dB
dB
dB
NOTES:
1/ VCC = VDD = VDRVDD = +5.0V.
2/ Includes internal reference error.
3/ Change in full scale as a function of the dc supply voltage.
4/ Current available for external loads. External load should not change during conversion.
5/ Bipolar Mode
6/ The AD1672 includes an onboard +2.5 V reference. The reference input pin (REF IN) can be connected to reference output pin (REF OUT) or a standard
external +2.5 V reference can be selected to meet specific system requirements. The reference input voltage can be held with the use of a capacitor. To
prevent the AD1672’s onboard reference from oscillating when not connected to REF IN, REF OUT must be connected to +5 VVCC. It is possible to connect
REF OUT to +5 V due to its output circuit implementation which shuts down the reference
ASD0010965 Rev. O | Page 4 of 7
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