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參數(shù)資料
| 型號： | AD7742 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Low Cost, Single & Multi-Channel,Voltage-to-Frequency Converters(低成本,多通道,電壓-頻率轉(zhuǎn)換器) |
| 中文描述： | 低成本，單 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 304K |
| 代理商： | AD7742 |
PRELMNARY
3
Guaranteed by design and characterization, not production tested
Span = Maximum output frequency - Minimum output frequency
Specifications subject to change without notice.
AD7741PRELIMINARY SPECIFICATIONS
B
Versions
l
Y
Versions
1
Parameter
2
Units
Test Conditions/Comments
ACCURACY
Linearity Error
F
CLK
= 200 kHz
F
CLK
= 2 MHz
F
CLK
= 5 MHz
Power Supply Rejection Ratio
Offset Error
Offset Error Drift
Gain Error
Gain Error Drift
±0.1
±0.1
±0.1
0.01
TBD
TBD
±0.5
TBD
±0.1
±0.1
±0.1
0.01
TBD
TBD
±0.5
TBD
% of Span max.
% of Span max.
% of Span max.
%/V max
μ
V max.
μ
V /°C typ.
% of Span max.
ppm/°C typ.
ANALOG INPUT
Input Current
Input Voltage Range
±1.0
0V to
+REF IN
±1.0
0V to
+REF IN
nA typ
100nA max
Volts
VOLTAGE REFERENCE
REF IN
Input Voltage
Input Impedance
2.5
TBD
2.5
TBD
V nom
k
typ
LOGIC OUTPUT (F
OUT
)
Output High Voltage, V
INH
Output Low Voltage, V
INL
Output Frequency
4.0
0.4
0.05F
CLOCK
0.45F
CLOCK
4.0
0.4
0.05F
CLOCK
0.45F
CLOCK
V min
V max
kHz min
kHz max
I
SOURCE
= 800
μ
A except for CLK
OUT
I
SINK
= 1.6 mA except for CLK
OUT
V
IN
=0V
V
IN
=+REF IN
LOGIC INPUTS
3
ALL INPUTS EXCEPT CLK
IN
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
IN
Input Capacitance, C
IN
CLK
IN
ONLY
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Current, I
IN
Input Capacitance, C
IN
CLOCK FREQUENCY
F
CLKIN
2.0
0.8
±10
10
2.0
0.8
±10
10
V min
V max
μA max
pF typ
V
DD
= 5 V ± 5%
V
DD
= 5 V ± 5%
V
IN
= 0 V to V
DD
3.5
0.8
±10
10
3.5
0.8
±10
10
V min
V max
μA max
pF typ
V
DD
= 5 V ± 5%
V
DD
= 5 V ± 5%
V
IN
= 0 V to V
DD
100
5
100
5
kHz min
MHz max
For Specified performance
POWER REQUIREMENTS
V
DD
I
DD
Power Dissipation
+5
8
40
+5
8
40
V nom
mA max
mW max
±5% for Specified Performance
V
DD
= 5V± 5%
Typically 30mW
NOTES
1
Temperature Ranges are as follows: B Version, 40°C to +85°C; Y Version, 40°C to +105°C.
2
See Terminology.
2
(V
DD
= +5 V± 5%, External Reference = +2.5 V;
F
CLK
= 5MHz; All specifications T
MIN
to T
MAX
unless
otherwise noted.)
PRELIM. J1 7/98
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7746ARUZ-REEL | 24-Bit Capacitance-to-Digital Converter with Temperature Sensor |
| AD7745 | 24-Bit Capacitance-to-Digital Converter with Temperature Sensor |
| AD7745ARUZ | 24-Bit Capacitance-to-Digital Converter with Temperature Sensor |
| AD7745ARUZ-REEL | 24-Bit Capacitance-to-Digital Converter with Temperature Sensor |
| AD7745ARUZ-REEL7 | 24-Bit Capacitance-to-Digital Converter with Temperature Sensor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7742BN | 制造商:Analog Devices 功能描述:VFC Sync 2.75MHz 16-Pin PDIP 制造商:Rochester Electronics LLC 功能描述:SINGLE + MULTI-CHANNEL VFC I.C. - Bulk |
| AD7742BNZ | 制造商:Analog Devices 功能描述:VFC Sync 2.75MHz 16-Pin PDIP |
| AD7742BR | 制造商:AD 制造商全稱:Analog Devices 功能描述:Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
| AD7742BR-REEL | 制造商:Analog Devices 功能描述: |
| AD7742YR | 制造商:AD 制造商全稱:Analog Devices 功能描述:Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
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