AD71056 데이터 시트보기 (PDF) - Analog Devices
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AD71056 Datasheet PDF : 20 Pages
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AD71056
SPECIFICATIONS
VDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, RCLKIN = 6.2 kΩ, 0.5% ± 50 ppm/°C, TMIN to TMAX = −40°C to +85°C, unless
otherwise noted.
Table 1.
Parameter
ACCURACY1, 2
Measurement Error1 on Channel V1
Phase Error1 Between Channels
V1 Phase Lead 37°
V1 Phase Lag 60°
AC Power Supply Rejection1
Output Frequency Variation (CF)
DC Power Supply Rejection1
Output Frequency Variation (CF)
ANALOG INPUTS3
Channel V1 Maximum Signal Level
Channel V2 Maximum Signal Level
Input Impedance (DC)
Bandwidth (–3 dB)
ADC Offset Error1, 2
Gain Error1
OSCILLATOR FREQUENCY (OSC)
Oscillator Frequency Tolerance1
Oscillator Frequency Stability1
REFERENCE INPUT
REFIN/OUT Input Voltage Range
Input Capacitance
ON-CHIP REFERENCE
Reference Error
Temperature Coefficient
LOGIC INPUTS4
SCF, S0, S1
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN
LOGIC OUTPUTS4
F1 and F2
Output High Voltage, VOH
Output Low Voltage, VOL
CF
Output High Voltage, VOH
Output Low Voltage, VOL
Frequency Output Error1, 2(CF)
Value
0.1
Unit
% reading typ
±0.1
degrees max
±0.1
degrees max
0.2
% reading typ
±0.3
% reading typ
±30
±165
320
7
±18
±4
450
±12
±30
2.65
2.25
10
±200
±20
mV max
mV max
kΩ min
kHz nominal
mV max
% ideal typ
kHz nominal
% reading typ
ppm/°C typ
V max
V min
pF max
mV max
ppm/°C typ
Test Conditions/Comments
Channel V2 with full-scale signal (±165 mV), 25°C over a
dynamic range 500 to 1, line frequency = 45 Hz to 65 Hz
Power factor (PF) = 0.8 capacitive
PF = 0.5 inductive
S0 = S1 = 1, V1 = 21.2 mV rms, V2 = 116.7 mV rms @
50 Hz, ripple on VDD of 200 mV rms @ 100 Hz
S0 = S1 = 1, V1 = 21.2 mV rms, V2 = 116.7 mV rms,
VDD = 5 V ± 250 mV
V1P and V1N to AGND
V2P and V2N to AGND
OSC = 450 kHz, RCLKIN = 6.2 kΩ, 0.5% ± 50 ppm/°C
OSC = 450 kHz, RCLKIN = 6.2 kΩ, 0.5% ± 50 ppm/°C
External 2.5 V reference, V1 = 21.2 mV rms,
V2 = 116.7 mV rms
RCLKIN = 6.2 kΩ, 0.5% ± 50 ppm/°C
2.45 V nominal
2.45 V nominal
2.45 V nominal
2.4
V min
0.8
V max
±1
μA max
10
pF max
VDD = 5 V ± 5%
VDD = 5 V ± 5%
Typically 10 nA, VIN = 0 V to VDD
4.5
V min
0.5
V max
4
V min
0.5
V max
±10
% ideal typ
ISOURCE = 10 mA, VDD = 5 V, ISINK = 10 mA, VDD = 5 V
ISOURCE = 5 mA, VDD = 5 V, ISINK = 5 mA, VDD = 5 V
External 2.5 V reference, V1 = 21.2 mV rms,
V2 = 116.7 mV rms
Rev. A | Page 3 of 20
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