For more information www.linear.com/LTC6990 TYPICAL PERFORMANCE CHARACTERISTICS
參數(shù)資料
型號: DC1562A-A
廠商: Linear Technology
文件頁數(shù): 26/30頁
文件大?。?/td> 0K
描述: BOARD EVAL LTC6990
設(shè)計資源: DC1562A Design Files
DC1562A Schematic
特色產(chǎn)品: TimerBlox?
標準包裝: 1
系列: TimerBlox®
主要目的: 計時,電壓控制振蕩器(VCO)
嵌入式:
已用 IC / 零件: LTC6990
主要屬性: 1kHz ~ 10kHz 頻率范圍
次要屬性: 2.25 V ~ 5.5 V 電源
已供物品:
相關(guān)產(chǎn)品: LTC6990MPS6#TRPBF-ND - IC VCO CONFIG GAIN/VOLT TSOT23-6
LTC6990MPS6#TRMPBF-ND - IC VCO CONFIG GAIN/VOLT TSOT23-6
LTC6990IS6#TRMPBFDKR-ND - IC OSC SILICON 1MHZ TSOT23-6
LTC6990HS6#TRMPBFDKR-ND - IC OSC SILICON 1MHZ TSOT23-6
LTC6990IS6#TRMPBFCT-ND - IC OSC SILICON 1MHZ TSOT23-6
LTC6990HS6#TRMPBFCT-ND - IC OSC SILICON 1MHZ TSOT23-6
LTC6990IS6#TRPBF-ND - IC OSC SILICON 1MHZ TSOT23-6
LTC6990IS6#TRMPBFTR-ND - IC OSC SILICON 1MHZ TSOT23-6
LTC6990IDCB#TRPBF-ND - IC OSC SILICON 1MHZ 6DFN
LTC6990IDCB#TRMPBF-ND - IC OSC SILICON 1MHZ 6DFN
更多...
LTC6990
5
6990fc
For more information www.linear.com/LTC6990
TYPICAL PERFORMANCE CHARACTERISTICS
VSET vs ISET
VSET vs Supply Voltage
VSET vs Temperature
Frequency Error vs RSET
Frequency Error
vs Supply Voltage
Frequency Error vs Temperature
V+ = 3.3V, unless otherwise noted.
RSET (k)
FREQUENCY
ERROR
(%)
6990 G01
4
3
2
1
–1
–2
–3
0
–4
10
100
1000
TA = 25°C
GUARANTEED MAX
OVER TEMPERATURE
GUARANTEED MIN
OVER TEMPERATURE
TYPICAL MAX
90% OF UNITS
TYPICAL MIN
SUPPLY VOLTAGE (V)
FREQUENCY
ERROR
(%)
6990 G02
0.5
0.4
0.3
0.1
0.2
–0.1
–0.2
–0.3
0
–0.5
–0.4
2
4
3
5
6
TA = 25°C
RSET = 800k
RSET = 200k
RSET = 50k
ISET (A)
V SET
(V)
6990 G04
1.003
1.002
1.001
1.000
0
20
10
30
40
V+ = 3.3V
TA = 25°C
SUPPLY VOLTAGE (V)
V SET
(V)
6990 G05
1.003
1.002
1.001
1.000
2
4
3
5
6
RSET = 200k
TA = 25°C
TEMPERATURE (°C)
V SET
(V)
6990 G06
1.020
1.005
1.000
1.010
1.015
0.995
0.990
0.985
0.980
–50
75
50
0
25
–25
100 125
RSET = 200k
3 TYPICAL PARTS
TEMPERATURE (°C)
ERROR
(%)
6990 G03
1.5
0.5
1.0
0.0
–0.5
–1.0
–1.5
–50 –25
25
50
0
100
75
125
V+ = 3.3V
DIVCODE = 4
RSET = 50k
RSET = 267k
RSET = 800k
ELECTRICAL CHARACTERISTICS
Note 11: Long-term drift of silicon oscillators is primarily due to the
movement of ions and impurities within the silicon and is tested at 30°C
under otherwise nominal operating conditions. Long-term drift is specified
as ppm/√kHr due to the typically nonlinear nature of the drift. To calculate
drift for a set time period, translate that time into thousands of hours, take
the square root and multiply by the typical drift number. For instance, a
year is 8.77kHr and would yield a drift of 266ppm at 90ppm/√kHr. Drift
without power applied to the device may be approximated as 1/10th of the
drift with power, or 9ppm/√kHr for a 90ppm/√kHr device.
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