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參數資料
| 型號： | AD790JR-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Fast, Precision Comparator |
| 中文描述： | COMPARATOR, 1500 uV OFFSET-MAX, 45 ns RESPONSE TIME, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 211K |
| 代理商： | AD790JR-REEL7 |
REV. B
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
Fast, Precision
Comparator
AD790
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FEATURES
45 ns max Propagation Delay
Single +5 V or Dual
6
15 V Supply Operation
CMOS or TTL Compatible Output
250
m
V max Input Offset Voltage
500
m
V max Input Hysteresis Voltage
15 V max Differential Input Voltage
Onboard Latch
60 mW Power Dissipation
Available in 8-Pin Plastic and Hermetic Cerdip
Packages
MIL-STD-883B Processing Available
Available in Tape and Reel in Accordance with
EIA-481A Standard
APPLICATIONS
Zero-Crossing Detectors
Overvoltage Detectors
Pulse-Width Modulators
Precision Rectifiers
Discrete A/D Converters
Delta-Sigma Modulator A/Ds
PRODUCT DE SCRIPT ION
T he AD790 is a fast (45 ns), precise voltage comparator, with a
number of features that make it exceptionally versatile and easy
to use. T he AD790 may operate from either a single +5 V sup-
ply or a dual
±
15 V supply. In the single-supply mode, the
AD790’s inputs may be referred to ground, a feature not found
in other comparators. In the dual-supply mode it has the unique
ability of handling a maximum differential voltage of 15 V across
its input terminals, easing their interfacing to large amplitude
and dynamic signals.
T his device is fabricated using Analog Devices’ Complementary
Bipolar (CB) process–which gives the AD790’s combination of
fast response time and outstanding input voltage resolution
(1 mV max). T o preserve its speed and accuracy, the AD790
incorporates a “low glitch” output stage that does not exhibit
the large current spikes normally found in T T L or CMOS out-
put stages. Its controlled switching reduces power supply distur-
bances that can feed back to the input and cause undesired
oscillations. T he AD790 also has a latching function which makes
it suitable for applications requiring synchronous operation.
T he AD790 is available in five performance grades. T he AD790J
and the AD790K are rated over the commercial temperature
range of 0
°
C to +70
°
C. T he AD790A and AD790B are rated
over the industrial temperature range of –40
°
C to +85
°
C. T he
AD790S is rated over the military temperature range of –55
°
C to
+125
°
C and is available processed to MIL-ST D-883B, Rev. C.
PRODUCT HIGHLIGHT S
1. T he AD790’s combination of speed, precision, versatility
and low cost makes it suitable as a general purpose compara-
tor in analog signal processing and data acquisition systems.
2. Built-in hysteresis and a low-glitch output stage minimize the
chance of unwanted oscillations, making the AD790 easier to
use than standard open-loop comparators.
3. T he hysteresis combined with a wide input voltage range
enables the AD790 to respond to both slow, low level (e.g.,
10 mV) signals and fast, large amplitude (e.g., 10 V) signals.
4. A wide variety of supply voltages are acceptable for operation
of the AD790, ranging from single +5 V to dual +5 V/–12 V,
±
5 V, or +5 V/
±
15 V supplies.
5. T he AD790’s power dissipation is the lowest of any compara-
tor in its speed range.
6. T he AD790’s output swing is symmetric between V
LOGIC
and ground, thus providing a predictable output under a
wide range of input and output conditions.
CONNE CT ION DIAGRAMS
8-Pin Plastic Mini-DIP (N)
and Cerdip (Q) Packages
OUTPUT
LATCH
GROUND
V
LOGIC
1
2
3
4
5
6
7
8
AD790
–
+
+V
S
+IN
–IN
–V
S
8-Pin SOIC (R) Package
LATCH
GROUND
V
LOGIC
+V
S
1
2
3
4
5
6
7
8
OUTPUT
AD790
+
–
+IN
–IN
–V
S
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| AD790 | Fast, Precision Comparator |
| AD790AQ | Fast, Precision Comparator |
| AD790BQ | Fast, Precision Comparator |
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| AD790JR | Fast, Precision Comparator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD790JRZ | 功能描述:IC COMPARATOR PREC W/LATCH 8SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:- 標準包裝:1 系列:- 類型:通用 元件數:1 輸出類型:CMOS，開路集電極，TTL 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V 電壓 - 輸入偏移（最小值）:7mV @ 5V 電流 - 輸入偏壓（最小值）:0.25µA @ 5V 電流 - 輸出（標準）:84mA @ 5V 電流 - 靜態（最大值）:120µA CMRR, PSRR（標準）:- 傳輸延遲（最大）:600ns 磁滯:- 工作溫度:-40°C ~ 85°C 封裝/外殼:SC-74A，SOT-753 安裝類型:表面貼裝 包裝:剪切帶 (CT) 產品目錄頁面:1268 (CN2011-ZH PDF) 其它名稱:*LMV331M5*LMV331M5/NOPBLMV331M5CT |
| AD790JRZ-REEL | 功能描述:IC COMPARATOR PREC HS 8-SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 類型:通用 元件數:1 輸出類型:CMOS，推挽式，滿擺幅，TTL 電壓 - 電源，單路/雙路(±):2.5 V ~ 5.5 V，±1.25 V ~ 2.75 V 電壓 - 輸入偏移（最小值）:5mV @ 5.5V 電流 - 輸入偏壓（最小值）:1pA @ 5.5V 電流 - 輸出（標準）:- 電流 - 靜態（最大值）:24µA CMRR, PSRR（標準）:80dB CMRR，80dB PSRR 傳輸延遲（最大）:450ns 磁滯:±3mV 工作溫度:-40°C ~ 85°C 封裝/外殼:6-WFBGA，CSPBGA 安裝類型:表面貼裝 包裝:管件 其它名稱:Q3554586 |
| AD790JRZ-REEL7 | 功能描述:IC COMPARATOR PREC W/LATCH 8SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 類型:通用 元件數:1 輸出類型:CMOS，推挽式，滿擺幅，TTL 電壓 - 電源，單路/雙路(±):2.5 V ~ 5.5 V，±1.25 V ~ 2.75 V 電壓 - 輸入偏移（最小值）:5mV @ 5.5V 電流 - 輸入偏壓（最小值）:1pA @ 5.5V 電流 - 輸出（標準）:- 電流 - 靜態（最大值）:24µA CMRR, PSRR（標準）:80dB CMRR，80dB PSRR 傳輸延遲（最大）:450ns 磁滯:±3mV 工作溫度:-40°C ~ 85°C 封裝/外殼:6-WFBGA，CSPBGA 安裝類型:表面貼裝 包裝:管件 其它名稱:Q3554586 |
| AD790KN | 制造商:AD 制造商全稱:Analog Devices 功能描述:Fast, Precision Comparator |
| AD790S | 制造商:AD 制造商全稱:Analog Devices 功能描述:Fast, Precision Comparator |
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