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參數(shù)資料
| 型號： | LTC1400IS8 |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 15/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC A/D CONV 12BIT W/SHTDN 8-SOIC |
| 標(biāo)準包裝： | 100 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 400k |
| 數(shù)據(jù)接口： | MICROWIRE?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 160mW |
| 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： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個單端，單極；1 個單端，雙極 |
| 產(chǎn)品目錄頁面： | 1346 (CN2011-ZH PDF) |
LTC1400
4
1400fa
DIGITAL I PUTS A D DIGITAL OUTPUTS
U
The ● denotes the specications which apply over the
full operating temperature range, otherwise specications are at TA = 25°C unless otherwise noted. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOL
Low Level Output Voltage
VCC = 4.75V, IO = 160μA
VCC = 4.75V, IO = 1.6mA
●
0.05
0.10
0.4
V
IOZ
Hi-Z Output Leakage DOUT
VOUT = 0V to VCC
●
±10
μA
COZ
Hi-Z Output Capacitance DOUT (Note 7)
15
pF
ISOURCE
Output Source Current
VOUT = 0V
–10
mA
ISINK
Output Sink Current
VOUT = VCC
10
mA
TI I G CHARACTERISTICS
U
W
The ● denotes the specications which apply over the full operating temperature
range, otherwise specications are at TA = 25°C unless otherwise noted. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fSAMPLE(MAX) Maximum Sampling Frequency
(Note 6)
●
400
kHz
tCONV
Conversion Time
fCLK = 6.4MHz
●
2.1
μs
tACQ
Acquisition Time
(Unipolar Mode)
(Bipolar Mode VSS = –5V)
(Note 7)
●
230
200
300
270
ns
fCLK
CLK Frequency
●
0.1
6.4
MHz
tCLK
CLK Pulse Width
(Notes 7, 12)
●
50
ns
tWK(NAP)
Time to Wake Up from Nap Mode
(Note 7)
350
ns
t1
CLK Pulse Width to Return to Active Mode
●
50
ns
t2
CONV↑ to CLK↑ Setup Time
●
80
ns
t3
CONV↑ After Leading CLK↑
●
0
ns
t4
CONV Pulse Width
(Note 11)
●
50
ns
t5
Time from CLK↑ to Sample Mode
(Note 7)
80
ns
t6
Aperture Delay of Sample-and-Hold
Jitter < 50ps (Note 7)
●
45
65
ns
t7
Minimum Delay Between Conversion
(Unipolar Mode)
(Bipolar Mode VSS = –5V)
●
265
235
385
355
ns
t8
Delay Time, CLK↑ to DOUT Valid
CLOAD = 20pF
●
40
80
ns
t9
Delay Time, CLK↑ to DOUT Hi-Z
CLOAD = 20pF
●
40
80
ns
t10
Time from Previous Data Remains Valid After CLK↑
CLOAD = 20pF
●
14
25
ns
t11
Minimum Time between Nap/Sleep Request to Wake Up Request
(Notes 7, 12)
●
50
ns
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: All voltage values are with respect to GND.
Note 3: When these pin voltages are taken below VSS (ground for unipolar
mode) or above VCC, they will be clamped by internal diodes. This product
can handle input currents greater than 40mA below VSS (ground for
unipolar mode) or above VCC without latch-up.
Note 4: When these pin voltages are taken below VSS (ground for unipolar
mode), they will be clamped by internal diodes. This product can handle
input currents greater than 40mA below VSS (ground for unipolar mode)
without latch-up. These pins are not clamped to VCC.
Note 5: VCC = 5V, fSAMPLE = 400kHz, tr = tf = 5ns unless otherwise
specied.
Note 6: Recommended operating conditions.
Note 7: Guaranteed by design, not subject to test.
Note 8: Linearity, offset and full-scale specications apply for unipolar and
bipolar modes.
Note 9: Integral nonlinearity is dened as the deviation of a code from a
straight line passing through the actual endpoints of the transfer curve.
The deviation is measured from the center of the quantization band.
Note 10: Bipolar offset is the offset voltage measured from –0.5LSB when
the output code ickers between 0000 0000 0000 and 1111 1111 1111.
Note 11: The rising edge of CONV starts a conversion. If CONV returns
low at a bit decision point during the conversion, it can create small errors.
For best performance ensure that CONV returns low either within 120ns
after conversion starts (i.e., before the rst bit decision) or after the 14
clock cycle. (Figure 13 Timing Diagram).
Note 12: If this timing specication is not met, the device may not respond
to a request for a conversion. To recover from this condition a NAP
request is required.
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| LTC1400IS8#PBF | 功能描述:IC A/D CONV 12BIT W/SHTDN 8-SOIC 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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