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參數(shù)資料
| 型號： | LTC2415IGN |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 18/40頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC A/D CONV 24BIT MICRPWR 16SSOP |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 位數(shù)： | 24 |
| 采樣率（每秒）： | 15 |
| 數(shù)據(jù)接口： | MICROWIRE?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 功率耗散（最大）： | 1mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個差分，雙極 |
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LTC2415/LTC2415-1
25
sn2415 24151fs
APPLICATIO S I FOR ATIO
WU
U
Figure 15. CS Capacitance vs tSAMPLE
Figure 16. CS Capacitance vs Output Rate
Figure 17. CS Capacitance vs Supply Current
CAPACITANCE ON CS (pF)
1
5
6
7
1000
10000
2415 F15
4
3
10
100
100000
2
1
0
t SAMPLE
(SEC)
VCC = 5V
VCC = 3V
CAPACITANCE ON CS (pF)
0
SAMPLE
RATE
(Hz)
3
4
5
1000
100000
2415 F16
2
1
0
10
100
10000
6
7
8
VCC = 5V
VCC = 3V
CAPACITANCE ON CS (pF)
1
0
SUPPLY
CURRENT
(
A
RMS
)
50
100
150
200
250
300
10
100
1000
10000
2415 F17
100000
VCC = 5V
VCC = 3V
66.6ms and the conversion time of the LTC2413 is 146ms,
while the LTC2415-1 is 73ms. In systems where the SDO
pin is monitored for the end-of-conversion signal (SDO
goes low once the conversion is complete) these two
devices can be interchanged. In cases where SDO is not
monitored, a wait state is inserted between conversions,
the duration of this wait state must be greater than 66.6ms
for the LTC2415, greater than 133ms for the LTC2410,
greater than 146ms for the LTC2413 and greater than
73ms for the LTC2415-1.
PRESERVING THE CONVERTER ACCURACY
The LTC2415/LTC2415-1 are designed to reduce as much
as possible conversion result sensitivity to device
decoupling, PCB layout, antialiasing circuits, line fre-
quency perturbations and so on. Nevertheless, in order to
preserve the extreme accuracy capability of this part,
some simple precautions are desirable.
Digital Signal Levels
The LTC2415/LTC2415-1 digital interface is easy to use.
Its digital inputs (FO, CS and SCK in External SCK mode of
operation) accept standard TTL/CMOS logic levels and the
internal hysteresis receivers can tolerate edge rates as slow
as 100
s. However, some considerations are required to
take advantage of the exceptional accuracy and low supply
current of this converter.
The digital output signals (SDO and SCK in Internal SCK
mode of operation) are less of a concern because they are
not generally active during conversion.
While a digital input signal is in the range 0.5V to
(VCC – 0.5V), the CMOS input receiver draws additional
current from the power supply. It should be noted that,
when any one of the digital input signals (FO, CS and SCK
in External SCK mode of operation) is within this range, the
LTC2415/LTC2415-1 power supply current may increase
even if the signal in question is at a valid logic level. For
micropower operation, it is recommended to drive all
digital input signals to full CMOS levels [VIL < 0.4V and
VOH > (VCC – 0.4V)].
During the conversion period, the undershoot and/or
overshoot of a fast digital signal connected to the LTC2415/
Timing Compatibility with the LTC2410/LTC2413
All timing modes described above are identical with re-
spect to the LTC2410/LTC2413 and LTC2415/LTC2415-1,
with one exception. The conversion time of the LTC2410
is 133ms while the conversion time of the LTC2415 is
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| LTC2415IGN#PBF | 功能描述:IC A/D CONV 24BIT MICRPWR 16SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| LTC2415IGN#TR | 功能描述:IC A/D CONV 24BIT MICRPWR 16SSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| LTC2415IGN#TRPBF | 功能描述:IC A/D CONV 24BIT MICRPWR 16SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| LTC2418CGN | 功能描述:IC ADC 24BIT DIFF INPUT 28SSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| LTC2418CGN#PBF | 功能描述:IC ADC 24BIT DIFF INPUT 28SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
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