AD7719 データシートの表示（PDF） - Analog Devices
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AD7719 Datasheet PDF : 40 Pages
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Parameter
LOGIC INPUTS
All Inputs Except SCLK and XTAL12
VINL, Input Low Voltage
VINH, Input High Voltage
SCLK Only (Schmitt-Triggered Input)2
VT(+)
VT(–)
VT(+) – VT(–)
VT(+)
VT(–)
VT(+) – VT(–)
XTAL1 Only2
VINL, Input Low Voltage
VINH, Input High Voltage
VINL, Input Low Voltage
VINH, Input High Voltage
Input Currents
AD7719B
0.8
0.4
2.0
1.4/2
0.8/1.4
0.3/0.85
0.95/2
0.4/1.1
0.3/0.85
0.8
3.5
0.4
2.5
±10
–70
Input Capacitance2
LOGIC OUTPUTS (Excluding XTAL2)
VOH, Output High Voltage2
VOL, Output Low Voltage2
VOH, Output High Voltage2
VOL, Output Low Voltage 2
Floating-State Leakage Current
Floating-State Output Capacitance
Data Output Coding
I/O PORT11
10
DVDD – 0.6
0.4
4
0.4
±10
±10
Binary
Offset Binary
VINL, Input Low Voltage2
0.8
0.4
VINH, Input High Voltage2
2.0
Input Currents
±10
–70
Input Capacitance
VOH, Output High Voltage2
VOL, Output Low Voltage2
VOH, Output High Voltage2
VOL, Output Low Voltage2
Floating-State Output Leakage Current
Floating-State Output Capacitance
START-UP TIME
From Power-On
From Idle Mode
From Power-Down Mode
POWER REQUIREMENTS
Power Supply Voltages
AVDD – AGND
DVDD – DGND
Power Supply Currents
DIDD Current (Normal Mode)12
10
AVDD – 0.6
0.4
4
0.4
±10
±10
300
1
1
300
2.7/3.6
4.75/5.25
2.7/3.6
4.75/5.25
0.6
0.75
REV. A
AD7719
Unit
Test Conditions
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
µA max
µA max
pF typ
V min
V max
V min
V max
µA max
pF typ
V max
V max
V min
µA max
µA max
pF typ
V min
V max
V min
V max
µA max
pF typ
ms typ
ms typ
ms typ
ms typ
DVDD = 5 V
DVDD = 3 V
DVDD = 3 V or 5 V
DVDD = 5 V
DVDD = 5 V
DVDD = 5 V
DVDD = 3 V
DVDD = 3 V
DVDD = 3 V
DVDD = 5 V
DVDD = 5 V
DVDD = 3 V
DVDD = 3 V
VIN = DVDD
VIN = DGND, Typically –40 µA at 5 V
and –20 µA at 3 V
All Digital Inputs
DVDD = 3 V, ISOURCE = 100 µA
DVDD = 3 V, ISINK = 100 µA
DVDD = 5 V, ISOURCE = 200 µA
DVDD = 5 V, ISINK = 1.6 mA
Unipolar Mode
Bipolar Mode
I/O Port Voltages Are with Respect to
AVDD and AGND
AVDD = 5 V
AVDD = 3 V
AVDD = 3 V or 5 V
VIN = AVDD
VIN = AGND, Typically –40 µA at AVDD = 5 V
and –20 µA at AVDD = 3 V
All Digital Inputs
AVDD = 3 V, ISOURCE = 100 µA
AVDD = 3 V, ISINK = 100 µA
AVDD = 5 V, ISOURCE = 200 µA
AVDD = 5 V, ISINK = 1.6 mA
Osc. Active in Power-Down
Osc. Powered Down
V min/max
V min/max
V min/max
V min
mA max
mA max
AVDD = 3 V nom
AVDD = 5 V nom
DVDD = 3 V nom
DVDD = 5 V nom
DVDD = 3 V, 0.5 mA typ
DVDD = 5 V, 0.6 mA typ
–5–
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