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參數(shù)資料
| 型號： | LT1394IS8#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPARATOR LOW PWR 7NS 8-SOIC |
| 標準包裝： | 100 |
| 系列： | UltraFast™ |
| 類型： | 帶鎖銷 |
| 元件數(shù)： | 1 |
| 輸出類型： | CMOS，補充型，TTL |
| 電壓 - 輸入偏移（最小值）： | 2.5mV @ ±5V |
| 電流 - 輸入偏壓（最小值）： | 4.5µA @ ±5V |
| 電流 - 輸出（標準）： | 20mA |
| 電流 - 靜態(tài)（最大值）： | 8.5mA |
| CMRR, PSRR（標準）： | 100dB CMRR，100dB PSRR |
| 傳輸延遲（最大）： | 9ns |
| 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 |
| 產(chǎn)品目錄頁面： | 1323 (CN2011-ZH PDF) |
1
LT1394
7ns, Low Power,
Single Supply, Ground-Sensing
Comparator
s
High Speed A/D Converters
s
Zero-Crossing Detectors
s
Current Sense for Switching Regulators
s
Extended Range V/F Coverters
s
Fast Pulse Height/Width Discriminators
s
High Speed Triggers
s
Line Receivers
s
High Speed Sampling Circuits
Propagation Delay vs
Input Overdrive
OVERDRIVE (mV)
0
TIME
(ns)
12
10
8
6
4
2
0
10
20
30
40
1394 TA02
50
tPDLH
tPDHL
TA = 25°C
VSTEP = 100mV
VS = ±5V
, LTC and LT are registered trademarks of Linear Technology Corporation.
UltraFast is a trademark of Linear Technology Corporation.
s
UltraFast
TM: 7ns
s
Low Power: 6mA
s
Low Offset Voltage: 0.8mV
s
Operates Off Single 5V or Dual
±5V Supplies
s
Input Common Mode Extends to Negative Supply
s
No Minimum Input Slew Rate Requirement
s
Complementary TTL Outputs
s
Inputs Can Exceed Supplies without Phase Reversal
s
Pin Compatible with LT1016, LT1116 and LT1671
s
Output Latch Capability
s
Available in 8-Lead MSOP and SO Packages
The LT
1394 is an UltraFast(7ns) comparator with comple-
mentary outputs and latch. The input common mode range
extends from 1.5V below the positive supply down to the
negative supply rail. Like the LT1016, LT1116 and LT1671,
this comparator has complementary outputs designed to
interface directly to TTL or CMOS logic. The LT1394 may
operate from either a single 5V supply or dual
±5V supplies.
Low offset voltage specifications and high gain allow the
LT1394 to be used in precision applications.
The LT1394 is designed for improved speed and stability for
a wide range of operating conditions. The output stage
provides active drive in both directions for maximum speed
intoTTL,CMOSorpassiveloadswithminimalcross-conduc-
tion current. Unlike other fast comparators, the LT1394
remains stable even for slow transitions through the active
region, which eliminates the need to specify a minimum input
slew rate.
The LT1394 has an internal, TTL/CMOS compatible latch for
retaining data at the outputs. The latch holds data as long as
the LATCH pin is held high. Device parameters such as gain,
offset and negative power supply current are not significantly
affected by variations in negative supply voltage.
45MHz Single Supply Adaptive Trigger
5V
–
+
A1
LT1227
–
+
A2
LT1006
INPUT
5V
TRIGGER
OUT
1394 F18
500pF
0.1
F
510
470
470
750
36
1
3
2
4
14
13
15
5
6
12
10
11
2k
10
F
2k
+
0.1
F
0.1
F
0.005
F
0.005
F
100
F
+
Q1, Q2, Q3, Q4 = CA3096 ARRAY:
TIE SUBSTRATE (PIN 16) TO GROUND
= 1N4148
–
+
LT1394
Q1
Q2
Q3
Q4
3M
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
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