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參數(shù)資料
| 型號： | LTC1408CUH |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 19/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 14BIT 600KSPS 32-QFN |
| 標(biāo)準(zhǔn)包裝： | 73 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 600k |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 15mW |
| 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： | 32-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 32-QFN 裸露焊盤（5x5） |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 12 個(gè)單端，單極；12 個(gè)單端，雙極；6 個(gè)差分，單極；6 個(gè)差分，雙極 |
| 配用： | DC887A-ND - BOARD SAR ADC LTC1408 |
8
LTC1408
1408fa
CH3+ (Pin 14): Non-Inverting Channel 3. CH3+ operates
fully differentially with respect to CH3– with a 0V to 2.5V,
or
±1.25V differential swing and a 0V to VDD absolute
input range.
CH3– (Pin 15): Inverting Channel 3. CH3– operates fully
differentially with respect to CH3+ with a –2.5V to 0V, or
±1.25V differential swing and a 0V to VDD absolute
input range.
CH4+ (Pin 17): Non-Inverting Channel 4. CH4+ operates
fully differentially with respect to CH4– with a 0V to 2.5V,
or
±1.25V differential swing and a 0V to VDD absolute input
range.
CH4– (Pin 18): Inverting Channel 4. CH4– operates fully
differentially with respect to CH4+ with a –2.5V to 0V, or
±1.25V differential swing and a 0V to VDD absolute input
range.
CH5+ (Pin 20): Non-Inverting Channel 5. CH5+ operates
fully differentially with respect to CH5– with a 0V to 2.5V,
or
±1.25V differential swing and a 0V to VDD absolute input
range.
CH5– (Pin 21): Inverting Channel 5. CH5– operates fully
differentially with respect to CH5+ with a –2.5V to 0V, or
±1.25V differential swing and a 0V to VDD absolute input
range.
GND (PIN 22): Analog Ground for Reference. Analog
ground must be tied directly to the solid ground plane
under the part. Analog signal currents flow through this
connection. The 10
F reference bypass capacitor should
be returned to this pad.
VREF (Pin 23): 2.5V Internal Reference. Bypass to GND
and a solid analog ground plane with a 10
F ceramic
capacitor (or 10
F tantalum in parallel with 0.1F ce-
ramic). Can be overdriven by an external reference voltage
between 2.55% and VDD, VCC.
VCC (Pin 24): 3V Positive Analog Supply. This pin supplies
3V to the analog section. Bypass to the solid analog
ground plane with a 10
F ceramic capacitor (or 10F
tantalum) in parallel with 0.1
F ceramic. Care should be
taken to place the 0.1
F bypass capacitor as close to
Pin 24 as possible. Pin 24 must be tied to Pin 25.
VDD (Pin 25): 3V Positive Digital Supply. This pin supplies
3V to the logic section. Bypass to DGND pin and solid
analog ground plane with a 10
F ceramic capacitor (or
10
F tantalum in parallel with 0.1F ceramic). Keep in
mind that internal digital output signal currents flow
through this pin. Care should be taken to place the 0.1
F
bypass capacitor as close to Pin 25 as possible. Pin 25
must be tied to Pin 24.
SEL2 (Pin 26): Most significant bit controlling the
number of channels being converted. In combination with
SEL1 and SEL0, 000 selects just the first channel (CH0) for
conversion. Incrementing SELx selects additional
channels(CH0–CH5) for conversion. 101, 110 or 111
select all 6 channels for conversion. Must be kept in a fixed
state during conversion and during the subsequent con-
version to read data.
SEL1 (Pin 27): Middle significance bit controlling the
number of channels being converted. In combination with
SEL0 and SEL2, 000 selects just the first channel (CH0) for
conversion. Incrementing SELx selects additional
channels for conversion. 101, 110 or 111 select all 6
channels (CH0–CH5) for conversion. Must be kept in a
fixed state during conversion and during the subsequent
conversion to read data.
SEL0 (Pin 28): Least significant bit controlling the
number of channels being converted. In combination with
SEL1 and SEL2, 000 selects just the first channel (CH0) for
conversion. Incrementing SELx selects additional
channels for conversion. 101, 110 or 111 select all 6
channels (CH0–CH5) for conversion. Must be kept in a
fixed state during conversion and during the subsequent
conversion to read data.
BIP (Pin 29): Bipolar/Unipolar Mode. The input differen-
tial range is 0V – 2.5V when BIP is LOW, and it is
±1.25
when BIP is HIGH. Must be kept in fixed state during
conversion and during subsequent conversion to read
data. When changing BIP between conversions the full
acquisition time must be allowed before starting the next
conversion. The output data is in 2’s complement
format for bipolar mode and straight binary format for
unipolar mode.
UU
U
PI FU CTIO S
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| LTC1408CUH#PBF | 功能描述:IC ADC 14BIT 600KSPS 32-QFN 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(gè)單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| LTC1408CUH#TRPBF | 功能描述:IC ADC 14BIT 600KSPS 32-QFN 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):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 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:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個(gè)單端，單極；1 個(gè)單端，雙極 |
| LTC1408CUH-12 | 制造商:Linear Technology 功能描述:ADC Single 600ksps 12-bit Serial 32-Pin QFN EP |
| LTC1408CUH-12#PBF | 功能描述:IC ADC 12BIT 600KSPS 32-QFN 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(gè)單端，單極 |
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