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參數資料
| 型號： | ADE7768AR-REF |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Energy Metering IC with Integrated Oscillator and Positive Power Accumulation |
| 中文描述： | 電能計量IC整合的振蕩器和積累的積極力量 |
| 文件頁數： | 3/20頁 |
| 文件大小： | 299K |
| 代理商： | ADE7768AR-REF |
ADE7768
SPECIFICATIONS
V
DD
= 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, RCLKIN = 6.2 kΩ, 0.5% ± 50 ppm/°C, T
MIN
to T
MAX
= 40°C to +85°C,
unless otherwise noted.
Table 1.
Parameter
Value
Unit
ACCURACY
1
,
2
Measurement Error on Channel V1
0.1
% reading typ
Rev. A | Page 3 of 20
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
S0 = S1 = 1, V1 = 21.2 mV rms, V2 = 116.7 mV rms @
50 Hz, ripple on V
DD
of 200 mV rms @ 100 Hz
S0 = S1 = 1, V1 = 21.2 mV rms, V2 = 116.7 mV rms,
V
DD
= 5 V ± 250 mV
See the Analog Inputs section
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
See the Terminology and the Typical Performance
Characteristics sections
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
V
DD
= 5 V ± 5%
V
DD
= 5 V ± 5%
Typically 10 nA, V
IN
= 0 V to V
DD
I
SOURCE
= 10 mA, V
DD
= 5 V, I
SINK
= 10 mA, V
DD
= 5 V
I
SOURCE
= 5 mA, V
DD
= 5 V, I
SINK
= 5 mA, V
DD
= 5 V
External 2.5 V reference, V1 = 21.2 mV rms,
V2 = 116.7 mV rms
Phase Error
1
Between Channels
V1 Phase Lead 37° (PF = 0.8 Capacitive)
V1 Phase Lag 60° (PF = 0.5 Inductive)
AC Power Supply Rejection
1
Output Frequency Variation (CF)
±0.1
±0.1
0.2
Degrees (°) max
Degrees (°) max
% reading typ
DC Power Supply Rejection
1
Output Frequency Variation (CF)
±0.3
% reading typ
ANALOG INPUTS
Channel V1 Maximum Signal Level
Channel V2 Maximum Signal Level
Input Impedance (DC)
Bandwidth (–3 dB)
ADC Offset Error
1, 2
±30
±165
320
7
±18
mV max
mV max
kΩ min
kHz nominal
mV max
Gain Error
1
±4
% ideal typ
OSCILLATOR FREQUENCY (OSC)
Oscillator Frequency Tolerance
1
Oscillator Frequency Stability
1
REFERENCE INPUT
REF
IN/OUT
Input Voltage Range
Input Capacitance
ON-CHIP REFERENCE
Reference Error
Temperature Coefficient
LOGIC INPUTS
3
SCF, S0, S1
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
IN
Input Capacitance, C
IN
LOGIC OUTPUTS
3
F1 and F2
Output High Voltage, V
OH
Output Low Voltage, V
OL
CF
Output High Voltage, V
OH
Output Low Voltage, V
OL
Frequency Output Error
1, 2
(CF)
450
±12
±30
2.65
2.25
10
±200
±20
2.4
0.8
±1
10
4.5
0.5
4
0.5
±10
kHz nominal
% reading typ
ppm/°C typ
V max
V min
pF max
mV max
ppm/°C typ
V min
V max
μA max
pF max
V min
V max
V min
V max
% ideal typ
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