参数资料
型号: LTC2365HS6#TRPBF
厂商: Linear Technology
文件页数: 9/24页
文件大小: 0K
描述: IC ADC 12BIT 1MSPS TSOT23-6
标准包装: 2,500
位数: 12
采样率(每秒): 1M
数据接口: MICROWIRE?,串行,SPI?
转换器数目: 1
功率耗散(最大): 12.6mW
电压电源: 单电源
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: SOT-23-6 细型,TSOT-23-6
供应商设备封装: TSOT-23-6
包装: 带卷 (TR)
输入数目和类型: 1 个单端,单极
配用: DC1190A-B-ND - BOARD SAR ADC LTC2365
LTC2365/LTC2366
17
23656fb
For more information www.linear.com/LTC2365
Figure 15. LTC2365/LTC2366 Exiting Sleep Mode
applications inForMation
Exiting Sleep Mode and Power-Up Time
To exit sleep mode, pull CS LOW and perform a dummy
conversion. The LTC2365/LTC2366 device power up
completely after the 16th falling edge of SCK. After power-
ing up, the ADC can continuously acquire an input signal
and perform conversions as described in the SERIAL
INTERFACE section (see Figure 15). The wake-up time is
333ns for the LTC2366 with a 48MHz SCK and 1s for
the LTC2365 with a 16MHz SCK.
The sample-and-hold is in hold mode while the device is
in sleep mode. The ADC returns to sample mode after the
1st falling edge of SCK during power-up (see Figure 15).
POWER VERSUS SAMPLING RATE
Figure 16 shows the power consumption of the LTC2365/
LTC2366inoperationalmode.BytakingtheADCintosleep
mode when not performing a conversion, the average
power consumption of the ADC decreases as the sampling
rate decreases. Figure 17 shows the power consumption
versus sampling rate with the device in sleep mode when
not performing a conversion.
Figure 16. Power Consumption vs Sample Rate while
the Device Remains Powered Up Continuously
Figure 17. Power Consumption vs Sample Rate while the Device
Enters Sleep Mode when not Performing Conversions
1
2
16
14
12
10
1 2
16
14
12
10
INVALID DATA
VALID DATA
23656 F15
SCK
SDO
CS
THE DEVICE BEGINS
TO POWER UP
THE DEVICE BEGINS
TO ACQUIRE INPUT
tPOWER-UP
THE DEVICE IS FULLY
POWERED UP AND READY
TO PERFORM CONVERSION
SAMPLE RATE (ksps)
0
3.0
POWER
(mW)
3.5
4.5
5.0
5.5
2000
7.5
23656 F16
4.0
1000
500
2500
1500
3000
6.0
6.5
7.0
VDD = 3V
fSCK = VARIABLE
16 SCKS PER CONVERSION
SAMPLE RATE (ksps)
0
POWER
(mW)
4
5
6
1000
23656 F17
3
2
0
250
500
750
1
8
7
VDD = 3V
fSCK = 48MHz
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