- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄10795 > LT1719IS8#PBF (Linear Technology)IC COMP R-RINOUT SINGLE 8-SOIC PDF資料下載
參數(shù)資料
| 型號： | LT1719IS8#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 8/22頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMP R-RINOUT SINGLE 8-SOIC |
| 標準包裝： | 100 |
| 系列： | UltraFast™ |
| 類型： | 通用 |
| 元件數(shù)： | 1 |
| 輸出類型： | CMOS，滿擺幅，TTL |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 6 V |
| 電壓 - 輸入偏移（最小值）： | 2.5mV @ ±5V |
| 電流 - 輸入偏壓（最小值）： | 6µA @ ±5V |
| 電流 - 輸出（標準）： | 20mA |
| 電流 - 靜態(tài)（最大值）： | 9mA |
| CMRR, PSRR（標準）： | 70dB CMRR，80dB PSRR |
| 傳輸延遲（最大）： | 4.2ns |
| 磁滯： | 7mV |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 安裝類型： | 表面貼裝 |
| 包裝： | 管件 |
LT1719
16
1719fa
Circuit Description
The block diagram of the LT1719 is shown in Figure 7.
The circuit topology consists of a differential input stage,
a gain stage with hysteresis and a complementary com-
mon-emitter output stage. All of the internal signal paths
utilize low voltage swings for high speed at low power.
The input stage topology maximizes the input dynamic
range available without requiring the power, complexity
and die area of two complete input stages such as are
found in rail-to-rail input comparators. With a single
2.7V supply, the LT1719 still has a respectable 1.6V of
input common mode range. The differential input volt-
age range is rail-to-rail, without the large input currents
found in competing devices. The input stage also features
phase reversal protection to prevent false outputs when
the inputs are driven below the –100mV common mode
voltage limit.
The internal hysteresis is implemented by positive, nonlin-
ear feedback around a second gain stage. Until this point,
the signal path has been entirely differential. The signal
path is then split into two drive signals for the upper and
lower output transistors. The output transistors are con-
nected common emitter for rail-to-rail output operation.
The Schottky clamps limit the output voltages at about
300mV from the rail, not quite the 50mV or 15mV of Linear
Technology’s rail-to-rail ampliers and other products. But
the output of a comparator is digital, and this output stage
can drive TTL or CMOS directly. It can also drive ECL, as
described earlier, or analog loads as demonstrated in the
applications to follow.
The bias conditions and signal swings in the output stage
are designed to turn their respective output transistors off
faster than on. This helps minimize the surge of current from
+VS/V+ to ground that occurs at transitions, to minimize
the frequency-dependent increase in power consumption.
The frequency dependence of the supply current is shown
in the Typical Performance Characteristics.
Speed Limits
The LT1719 comparator is intended for high speed ap-
plications, where it is important to understand a few
limitations. These limitations can roughly be divided into
APPLICATIONS INFORMATION
OUT
GND OR V–
+VS OR V
+
–
+
–
+
–
+
–
+
+IN
–IN
AV1
VCC OR V
+
VEE OR V
–
SHUTDOWN
AV2
NONLINEAR STAGE
1719 F07
+
∑
+
∑
BIAS CONTOL
Figure 7. LT1719 Block Diagram
相關PDF資料 |
PDF描述 |
|---|---|
| LT1711CMS8#PBF | IC COMP R-RINOUT SINGLE 8-MSOP |
| VE-J4R-MY-S | CONVERTER MOD DC/DC 7.5V 50W |
| LT1713IMS8#PBF | IC COMP R-R IN/OUT SINGLE 8-MSOP |
| ADM2484EBRWZ | IC TXRX RS485 ISO W/ESD 16SOIC |
| VE-J4P-MY-S | CONVERTER MOD DC/DC 13.8V 50W |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LT1720 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:4ns, 150MHz Dual Comparator with Independent Input/Output Supplies |
| LT1720CDD | 功能描述:IC COMP R-R IN/OUT DUAL 8DFN RoHS:否 類別:集成電路 (IC) >> 線性 - 比較器 系列:UltraFast™ 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(shù):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(tài)（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 |
| LT1720CDD#PBF | 功能描述:IC COMP R-R IN/OUT DUAL 8DFN RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:UltraFast™ 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(shù):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(tài)（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 |
| LT1720CDD#TR | 功能描述:IC COMPARATOR DUAL HS 3/5V 8-DFN RoHS:否 類別:集成電路 (IC) >> 線性 - 比較器 系列:UltraFast™ 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(shù):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(tài)（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 |
| LT1720CDD#TRPBF | 功能描述:IC COMP R-R IN/OUT DUAL 8DFN RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:UltraFast™ 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(shù):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(tài)（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 |
發(fā)布緊急采購，3分鐘左右您將得到回復。