參數資料
型號: LTC2435CGN#TR
廠商: Linear Technology
文件頁數: 9/42頁
文件大小: 0K
描述: IC CONV A/D 20BIT DIFF 16-SSOP
標準包裝: 2,500
位數: 20
采樣率(每秒): 15
數據接口: MICROWIRE?,串行,SPI?
轉換器數目: 2
功率耗散(最大): 1mW
電壓電源: 單電源
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應商設備封裝: 16-SSOP
包裝: 帶卷 (TR)
輸入數目和類型: 1 個差分,雙極
LTC2435/LTC2435-1
17
24351fc
For more information www.linear.com/LTC2435
applicaTions inForMaTion
Figure 7a. LTC2435/LTC2435-1 Normal Mode
Rejection When Using an External Oscillator
of Frequency fEOSC without Running Averages
Figure 7c. LTC2435/LTC2435-1
Normal Mode Rejection When Using
an External Oscillator of Frequency
fEOSC with Running Averages
Figure 7b. LTC2435-1 Normal Mode
Rejection When Using an Internal
Oscillator with Running Averages
48
50
52
54
56
58
60
62
DIFFERENTIAL INPUT SIGNAL FREQUENCY (Hz)
NORMAL
MODE
REECTION
RATIO
(dB)
2435 F07b
–80
–90
–100
–120
–130
–140
DIFFERENTIAL INPUT SIGNAL FREQUENCY
DEVIATION FROM NOTCH FREQUENCY fEOSC/2560(%)
–12
–8
–4
0
4
8
12
NORMAL
MODE
REJECTION
(dB)
2435 F07c
–80
–85
–90
–95
–100
–105
–110
–115
–120
–125
–130
–135
–140
INPUT FREQUENCY DEVIATION FROM NOTCH FREQUENCY (%)
–12
–8
–4
0
4
8
12
REJECTION
(dB)
2435 F07a
–60
–70
–80
–90
–100
–110
–120
–130
–140
Table 3a. LTC2435 State Duration
State
Operating Mode
Duration
CONVERT
Internal Oscillator
FO = LOW, (60Hz Rejection)
67ms, Output Data Rate ≤ 15 Readings/s
FO = HIGH, (50Hz Rejection)
80ms, Output Data Rate ≤ 12.4 Readings/s
External Oscillator
FO = External Oscillator with Frequency
fEOSC kHz (fEOSC/2560 Rejection)
10278/fEOSCs, Output Data Rate ≤ fEOSC/10278 Readings/s
SLEEP
As Long As CS = HIGH
DATA OUTPUT Internal Serial Clock FO = LOW/HIGH, (Internal Oscillator)
As Long As CS = LOW But Not Longer Than 1.25ms (24 SCK cycles)
FO = External Oscillator with
Frequency fEOSC kHz
As Long As CS = LOW But Not Longer Than 192/fEOSCms (24 SCK cycles)
External Serial Clock with Frequency fSCK kHz
As Long As CS = LOW But Not Longer Than 24/fSCKms (24 SCK cycles)
Table 3b. LTC2435-1 State Duration
State
Operating Mode
Duration
CONVERT
Internal Oscillator
FO = LOW
Simultaneous 50Hz/60Hz Rejection
73ms, Output Data Rate ≤ 14 Readings/s
External Oscillator
FO = External Oscillator with Frequency
fEOSC kHz (fEOSC/2560 Rejection)
10278/fEOSCs, Output Data Rate ≤ fEOSC/10278 Readings/s
SLEEP
As Long As CS = HIGH
DATA OUTPUT Internal Serial Clock FO = LOW (Internal Oscillator)
As Long As CS = LOW But Not Longer Than 1.4ms (24 SCK cycles)
FO = External Oscillator with
Frequency fEOSC kHz
As Long As CS = LOW But Not Longer Than 192/fEOSCms (24 SCK cycles)
External Serial Clock with Frequency fSCK kHz
As Long As CS = LOW But Not Longer Than 24/fSCKms (24 SCK cycles)
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