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LTC1417C

LTC1417C首页预览图
型号: LTC1417C
PDF文件:
  • LTC1417C PDF文件
  • LTC1417C PDF在线浏览
功能描述: Low Power 14-Bit, 400ksps Sampling ADC Converter with Serial I/O
PDF文件大小: 394.84 Kbytes
PDF页数: 共32页
制造商: LINER[Linear Technology]
制造商LOGO: LINER[Linear Technology] LOGO
制造商网址: http://www.linear.com
捡单宝LTC1417C
PDF页面索引
120%
4
LTC1417
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
f
SAMPLE(MAX)
Maximum Sampling Frequency 400 kHz
t
CONV
Conversion Time 1.8 2.25 µs
t
ACQ
Acquisition Time 150 500 ns
t
ACQ
+ t
CONV
Acquisition Plus Conversion Time 2.1 2.5 µs
t
1
SHDN to CONVST Wake-Up Time from Nap Mode (Note 10) 500 ns
t
2
CONVST Low Time (Notes 10, 11) 40 ns
t
3
CONVST to BUSY Delay C
L
= 25pF 35 70 ns
t
4
Data Ready Before BUSY C
L
= 25pF 712 ns
t
5
Delay Between Conversions (Note 10) 250 ns
t
6
Wait Time RD After BUSY –5 ns
t
7
Data Access Time After RD C
L
= 25pF 15 30 ns
40 ns
C
L
= 100pF 20 40 ns
55 ns
t
8
Bus Relinquish Time 35 ns
t
9
RD Low Time t
7
ns
t
10
CONVST High Time 40 ns
t
11
Delay Time, SCLK to D
OUT
Valid C
L
= 25pF 15 40 ns
t
12
Time from Previous Data Remain Valid After SCLK C
L
= 25pF 510 ns
f
SCLK
Shift Clock Frequency (Note 13) 0 20 MHz
f
EXTCLKIN
External Conversion Clock Frequency 0.05 9 MHz
t
dEXTCLKIN
Delay Time, CONVST to External Conversion Clock Input (Note 9) 20 µs
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
DD
Positive Supply Voltage (Notes 10, 11) 4.75 5.25 V
V
SS
Negative Supply Voltage (Note 10) Bipolar Only (V
SS
= 0V for Unipolar) 4.75 5.25 V
I
DD
Positive Supply Current Unipolar, RD High (Note 5) 4.0 5.5 mA
Bipolar, RD High (Note 5)
4.3 6.0 mA
Nap Mode SHDN = 0V, RD = 0V 750 µA
Sleep Mode SHDN = 0V, RD = 5V 0.1 µA
I
SS
Negative Supply Current Bipolar, RD High (Note 5) 2.0 2.8 mA
Nap Mode SHDN = 0V, RD = 0V 0.7 µA
Sleep Mode SHDN = 0V, RD = 5V 1.5 nA
P
DIS
Power Dissipation Unipolar 20.0 27.5 mW
Bipolar
31.5 44 mW
POWER REQUIRE E TS
WU
The indicates specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C. (Note 5)
The indicates specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. (Note 5)
TI I G CHARACTERISTICS
UW
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