參數(shù)資料
型號(hào): LT6109HMS-1#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO10
封裝: LEAD FREE, PLASTIC, MSOP-10
文件頁(yè)數(shù): 27/28頁(yè)
文件大?。?/td> 370K
代理商: LT6109HMS-1#TRPBF
LT6109-1/LT6109-2
8
610912f
Comparator Rise/Fall Time
vs Pull-Up Resistor
Comparator Step Response
(5mV INC1 Overdrive)
Comparator Step Response
(100mV INC1 Overdrive)
Comparator Reset Response
SENSELO (Pin 1): Sense Amplifier Input. This pin must
be tied to the load end of the sense resistor.
EN/RST (Pin 2): Enable/Comparator Reset Input. When
low for longer than 150s typically, the LT6109 will enter
shutdown mode. Pulsing this pin low for between 2s and
15s will reset the comparators of the LT6109.
OUTC2 (Pin 3): Open-Drain Output for Comparator 2.
Off-state voltage may be as high as 60V above ground,
regardless of V+ used.
Comparator Propagation Delay
vs Input Overdrive
PIN FUNCTIONS
OUTC1 (Pin 4): Open-Drain Output for Comparator 1.
Off-state voltage may be as high as 60V above ground,
regardless of V+ used.
V(Pin 5): Negative Supply Pin. This pin is normally con-
nected to ground.
INC1 (Pin 6): Inverting Input of Comparator 1. The nonin-
vertinginputisinternallyconnectedtothe400mVreference.
Comparator Output Leakage
Current vs Pull-Up Voltage
COMPARATOR OUTPUT PULL-UP VOLTAGE (V)
0
–2
OUTPUT
LEAKAGE
CURRENT
OUTC1,
OUTC2
(nA)
3
8
13
18
23
125°C
10
20
30
40
610912 G28
50
60
–40°C AND 25°C
RC PULL-UP RESISTOR (k)
1
10
RISE/F
ALL
TIME
(ns)
100
1000
10000
10
100
1000
610912 G30
RISE TIME
FALL TIME
VOH = 0.9 VPULLUP
VOL = 0.1 VPULLUP
100mV OVERDRIVE
VINC
0.5V/DIV
0V
VOUTC
2V/DIV
0V
VEN/RST
5V/DIV
0V
610912 G31
5s/DIV
0V
VINC
0.5V/DIV
VOUTC
2V/DIV
VEN/RST
5V/DIV
0V
610912 G32
5s/DIV
0V
VOUTC
5V/DIV
VEN/RST
2V/DIV
0V
5s/DIV
610912 G33
Performance characteristics taken at TA = 25°C,
V+ = 12V, VPULLUP = V+, VEN/RST = 2.7V, RIN = 100Ω, ROUT = R1 + R2 + R3 = 10k, gain = 100, RC = 25.5k, CL = CLC = 2pF, unless
otherwise noted. (See Figure 3)
TYPICAL PERFORMANCE CHARACTERISTICS
COMPARATOR INPUT OVERDRIVE (mV)
0
COMPARATOR
PROPAGATION
DELAY
(s)
3.0
4.0
5.0
160
610912 G29
2.0
1.0
2.5
3.5
4.5
1.5
0.5
0
40
80
120
200
H TO L
L TO H
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