参数资料
型号: LTC6991IDCB#TRPBF
厂商: Linear Technology
文件页数: 18/24页
文件大小: 0K
描述: IC OSC SILICON 977HZ 6-DFN
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: 29.1µHz ~ 977Hz
电源电压: 2.25 V ~ 5.5 V
电流 - 电源: 135µA
工作温度: -40°C ~ 85°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-B-ND - BOARD EVAL LTC6991
LTC6991
3
6991fb
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. Test conditions are V+ = 2.25V to 5.5V, RST = 0V, DIVCODE = 0 to 15
(NDIV = 1 to 221), RSET = 50k to 800k, RLOAD = 5k, CLOAD = 5pF unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tOUT
Output Clock Period
1.024m
34,360
Seconds
fOUT
Output Frequency
29.1μ
977
Hz
ΔfOUT
Frequency Accuracy (Note 4)
29.1μHz ≤ fOUT ≤ 977Hz
l
±0.8
±1.5
±2.2
%
ΔfOUT/ΔT
Frequency Drift Over Temperature
l
±0.005
%/°C
ΔfOUT/ΔV+
Frequency Drift Over Supply
V+ = 4.5V to 5.5V
V+ = 2.25V to 4.5V
l
0.23
0.06
0.55
0.16
%/V
Long-Term Frequency Stability
(Note 11)
90
ppm/√kHr
Period Jitter (Note 10)
NDIV = 1
NDIV = 8
15
7
ppmRMS
BW
Frequency Modulation Bandwidth
0.4 fOUT
Hz
tS
Frequency Change Settling Time (Note 9)
1
Cycle
Analog Inputs
VSET
Voltage at SET Pin
l
0.97
1.00
1.03
V
ΔVSET/ΔT
VSET Drift Over Temperature
l
±75
μV/°C
RSET
Frequency-Setting Resistor
l
50
800
VDIV
DIV Pin Voltage
l
0V+
V
ΔVDIV/ΔV+
DIV Pin Valid Code Range (Note 5)
Deviation from Ideal
VDIV/V+ = (DIVCODE + 0.5)/16
l
±1.5
%
DIV Pin Input Current
l
±10
nA
Power Supply
V+
Operating Supply Voltage Range
l
2.25
5.5
V
Power-On Reset Voltage
l
1.95
V
IS
Supply Current
RL = ∞, RSET = 50k
V+ = 5.5V
V+ = 2.25V
l
135
105
170
135
μA
RL = ∞, RSET = 100k
V+ = 5.5V
V+ = 2.25V
l
100
80
130
105
μA
RL = ∞, RSET = 800k
V+ = 5.5V
V+ = 2.25V
l
65
55
100
85
μA
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