参数资料
型号: LTC6990CDCB#TRPBF
厂商: Linear Technology
文件页数: 28/30页
文件大小: 0K
描述: IC OSC SILICON 1MHZ 6DFN
产品培训模块: TimerBlox Family Timing Devices
特色产品: TimerBlox?
标准包装: 2,500
系列: TimerBlox®
类型: 振荡器 - 硅
频率: 488Hz ~ 1MHz
电源电压: 2.25 V ~ 5.5 V
电流 - 电源: 235µA
工作温度: 0°C ~ 70°C
封装/外壳: 6-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 6-DFN-EP(2x3)
安装类型: 表面贴装
配用: DC1562A-A-ND - BOARD EVAL LTC6990
LTC6990
7
6990fc
For more information www.linear.com/LTC6990
Rise and Fall Time
vs Supply Voltage
Output Disable Propagation Delay
(tPD) vs Supply Voltage
TYPICAL PERFORMANCE CHARACTERISTICS
Frequency Modulation
Typical ISET Current Limit vs V+
Typical Output Waveform
SUPPLY VOLTAGE (V)
RISE/F
ALL
TIME
(ns)
6990 G16
3.0
1.5
2.5
1.0
0.5
2.0
0
2
4
3
5
6
TA = 25°C
CLOAD = 5pF
tRISE
tFALL
SUPPLY VOLTAGE (V)
PROP
AGA
TION
DELA
Y(ns)
6990 G17
50
20
40
10
30
25
45
15
5
35
0
2
4
3
5
6
TA = 25°C
CLOAD = 5pF
SUPPLY VOLTAGE (V)
I SET
(A)
6990 G18
1000
400
800
200
600
0
2
4
3
5
6
TA = 25°C
SET PIN SHORTED TO GND
20s/DIV
6990 G19
OUT
2V/DIV
OE
2V/DIV
V+ = 3.3V
DIVCODE = 2
RSET = 200k
20s/DIV
6990 G20
OUT
2V/DIV
VCTRL
2V/DIV
fOUT
50kHz/DIV
V+ = 3.3V, DIVCODE = 0
RSET = 200k, RVCO = 464k
fOUT = 175kHz to 350kHz
20s/DIV
6990 G21
OUT
2V/DIV
VCTRL
2V/DIV
fOUT
50kHz/DIV
V+ = 3.3V, DIVCODE = 0
RSET = 200k, RVCO = 464k
fOUT = 175kHz to 350kHz
V+ = 3V, unless otherwise noted.
Typical Frequency Error vs
Time (Long-Term Drift)
TIME (h)
DEL
TA
FREQUENCY
(ppm)
6990 G15a
50
0
150
–150
–100
–50
100
200
–200
0
1200
400 800
1600 2000 2400 2800
65 UNITS
SOT-23 AND DFN PARTS
TA = 30°C
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