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參數資料
| 型號： | AD7750 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Product-to-Frequency Converter(乘積-頻率轉換器) |
| 中文描述： | 產品頻率轉換器（乘積-頻率轉換器） |
| 文件頁數： | 2/16頁 |
| 文件大小： | 155K |
| 代理商： | AD7750 |
–2–
REV. 0
AD7750–SPECIFICATIONS
(V
DD
= 5 V
6
5%, AGND = 0V, DGND = 0 V, REFIN= +2.5V, CLKIN= 3.58 MHz
T
MN
to T
MAX
= –40
8
C to +85
8
C, ACDC = Logic Hgh)
A Version
–40
8
C to
+85
8
C
Parameter
Units
T est Conditions/Comments
ACCURACY
Measurement Error
1
Gain = 1
Channel 2 with Full-Scale Signal
Measured Over a Dynamic Range on Channel 1 of 500:1
Measured Over a Dynamic Range on Channel 1 of 1000:1
Measured Over a Dynamic Range on Channel 1 of 500:1
Measured Over a Dynamic Range on Channel 1 of 1000:1
CLK IN = 3.58 MHz, Line Frequency = 50 Hz
HPF Filter On, ACDC = 1
HPF Filter On, ACDC = 1
HPF Filter On, ACDC = 1, Mode 3, Channel 1 = 0 V
Channel 2 = 500 mV rms at 50 Hz
HPF Filter On, ACDC = 1, Mode 3, Channel 1 = 0 V
Channel 2 = 500 mV rms, Power Supply Ripple
250 mV at 50 Hz. See Figures 1 and 3.
0.2
0.3
0.2
0.4
% Reading max
% Reading max
% Reading max
% Reading max
Gain = 16
Phase Error Between Channels
Phase Lead 40
°
(PF = +0.8)
Phase Lag 60
°
(PF = –0.5)
Feedthrough Between Channels
Output Frequency Variation (F
OUT
)
Power Supply Rejection
Output Frequency Variation (F
OUT
)
±
0.2
±
0.2
Degrees (
°
) max
Degrees (
°
) max
0.0005
% Full-Scale max
0.03
% Full-Scale max
ANALOG INPUT S
Maximum Signal Levels
Input Impedance (DC)
Bandwidth
Offset Error
Gain Error
Gain Error Match
±
1
400
3.5
±
10
±
4
±
0.3
V max
k
min
kHz typ
mV typ
% Full-Scale typ
% Full-Scale typ
On Any Input, V
1+
, V
1–
, V
2+
and V
2–
. See Analog Inputs.
CLK IN = 3.58 MHz
CLK IN = 3.58 MHz, CLK IN/1024
REFERENCE INPUT
REF
IN
Input Voltage Range
2.7
2.3
50
V max
V min
k
min
2.5 V + 8%
2.5 V – 8%
Input Impedance
ON-CHIP REFERENCE
Reference Error
T emperature Coefficient
Nominal 2.5 V
±
200
55
mV max
ppm/
°
C typ
CLK IN
Input Clock Frequency
4.5
2
MHz max
MHz min
LOGIC INPUT S
FS, S1, S2, ACDC and G1
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
IN
Input Capacitance, C
IN
CLK IN
Input High Voltage, V
INH
Input Low Voltage, V
INL
2.4
0.8
±
10
10
V min
V max
μ
A max
pF max
V
DD
= 5 V
±
5%
V
DD
= 5 V
±
5%
T ypically 10 nA, V
IN
= 0 V to V
DD
4
0.4
V min
V max
LOGIC OUT PUT S
2
F1 and F2
Output High Voltage, V
OH
I
SOURCE
= 8 mA
V
DD
= 5 V
I
SINK
= 8 mA
V
DD
= 5 V
4.3
V min
Output Low Voltage, V
OL
0.5
V max
F
OUT
and REVP
Output High Voltage, V
OH
I
SOURCE
= 1 mA
V
DD
= 5 V
±
5%
I
SINK
= 200
μ
A
V
DD
= 5 V
±
5%
4
V min
Output Low Voltage, V
OL
0.4
±
10
15
V max
μ
A max
pF max
High Impedance Leakage Current
High Impedance Capacitance
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7750AN | 制造商:Rochester Electronics LLC 功能描述:PRODUCT TO FREQUENCY CONVERTER I.C. - Bulk 制造商:Analog Devices 功能描述:IC V TO F CONVERTER 7750 DIP20 |
| AD7750AN | 制造商:Analog Devices 功能描述:SEMICONDUCTOR ((NW)) |
| AD7750AR | 制造商:Rochester Electronics LLC 功能描述:PRODUCT TO FREQUENCY CONVERTER I.C. - Bulk |
| AD7750AR-REEL | 制造商:Analog Devices 功能描述: |
| AD7751 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Energy Metering IC With On-Chip Fault Detection |
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