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| 型号： | AD7741YR-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/12页 |
| 文件大小： | 0K |
| 描述： | IC CONVERTER V TO FREQ 8-SOIC |
| 标准包装： | 1,000 |
| 类型： | 电压至频率 |
| 频率 - 最大： | 3.072MHz |
| 全量程： | ±50ppm/°C |
| 线性： | ±0.012% |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
| 配用： | EVAL-AD7741/42EBZ-ND - BOARD EVAL FOR AD7741/7742 |
AD7741/AD7742
TIMING CHARACTERISTICS 1, 2, 3 (V
Limit at T MIN , T MAX
DD
= +4.75 V to +5.25 V; V REF = +2.5 V. All specifications T MIN to T MAX unless otherwise noted.)
Parameter
f CLKIN
t HIGH /t LOW
t 1
t 2
t 3
t 4
(B and Y Version)
6.144
55/45
45/55
9
4
4
t HIGH ± 5
Units
MHz max
max
min
ns typ
ns typ
ns typ
ns typ
Conditions/Comments
Input Clock Mark/Space Ratio
f CLOCK Rising Edge to f OUT Rising Edge
f OUT Rise Time
f OUT Fall Time
f OUT Pulsewidth
NOTES
1
2
3
Guaranteed by design and characterization, not production tested.
All input signals are specified with tr = tf = 5 ns (10% to 90% of V DD ) and timed from a voltage level of (V IL + V IH )/2.
See Figure 1.
Specifications subject to change without notice.
ABSOLUTE MAXIMUM RATINGS 1, 2
t HIGH
(T A = +25 ° C unless otherwise noted)
CLKIN
f OUT
t 4
V DD to GND . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V
Analog Input Voltage to GND . . . . . . . . –5 V to V DD + 0.3 V
Digital Input Voltage to GND . . . . . . . –0.3 V to V DD + 0.3 V
Reference Input Voltage to GND . . . . –0.3 V to V DD + 0.3 V
t 1
t 2
Figure 1. Timing Diagram
ORDERING GUIDE
t 3
f OUT to GND . . . . . . . . . . . . . . . . . . . . –0.3 V to V DD + 0.3 V
Operating Temperature Range
Automotive (Y Version) . . . . . . . . . . . . . . –40 ° C to +105 ° C
Industrial (B Version) . . . . . . . . . . . . . . . . –40 ° C to +85 ° C
Storage Temperature Range . . . . . . . . . . . . –65 ° C to +150 ° C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . +150 ° C
Plastic DIP Package
Models
AD7741BN
AD7741BR
AD7741YR
AD7742BN
AD7742BR
AD7742YR
Temperature
Ranges
–40 ° C to +85 ° C
–40 ° C to +85 ° C
–40 ° C to +105 ° C
–40 ° C to +85 ° C
–40 ° C to +85 ° C
–40 ° C to +105 ° C
Package
Descriptions
Plastic DIP
Small Outline
Small Outline
Plastic DIP
Small Outline
Small Outline
Package
Options
N-8
R-8
R-8
N-16
R-16A
R-16A
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . 450 mW
θ JA Thermal Impedance (8 Lead) . . . . . . . . . . . . . 125 ° C/W
θ JA Thermal Impedance (16 Lead) . . . . . . . . . . . . 117 ° C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . +215 ° C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . +220 ° C
SOIC Package
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . 450 mW
θ JA Thermal Impedance (8 Lead) . . . . . . . . . . . . . 157 ° C/W
θ JA Thermal Impedance (16 Lead) . . . . . . . . . . . . 125 ° C/W
Stresses above those listed under Absolute Maximum Ratings may cause perma-
Transient currents of up to 100 mA will not cause SCR latch-up.
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . +215 ° C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . +220 ° C
NOTES
1
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD7741/AD7742 features proprietary ESD protection circuitry, permanent dam-
age may occur on devices subjected to high energy electrostatic discharges. Therefore, proper
ESD precautions are recommended to avoid performance degradation or loss of functionality.
–4 –
WARNING!
ESD SENSITIVE DEVICE
REV. 0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7741YRZ | 功能描述:IC CONVERTER VOLT TO FREQ 8SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - V/F 和 F/V 转换器 系列:- 标准包装:1 系列:- 类型:频率至电压 频率 - 最大:10kHz 全量程:- 线性:±0.3% 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:Digi-Reel® 其它名称:LM2917MX-8/NOPBDKR |
| AD7742 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
| 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 制造商全称:Analog Devices 功能描述:Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
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