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參數(shù)資料
| 型號： | LTC1407AIMSE |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | ADC |
| 英文描述： | Serial 12-Bit/14-Bit, 3Msps Simultaneous Sampling Simultaneous Sampling |
| 中文描述： | 2-CH 14-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, PDSO10 |
| 封裝： | PLASTIC, MSOP-10 |
| 文件頁數(shù)： | 7/24頁 |
| 文件大?。?/td> | 443K |
| 代理商： | LTC1407AIMSE |
7
LTC1407/LTC1407A
1407f
PIU
CH0
+
(Pin 1):
Noninverting Channel 0. CH0
+
operates fully
differentially with respect to CH0
–
with a 0V to 2.5V
differential swing and a 0 to V
DD
absolute input range.
CH0
–
(Pin 2):
Inverting Channel 0. CH0
–
operates fully
differentially with respect to CH0
+
with a –2.5V to 0V
differential swing and a 0 to V
DD
absolute input range.
V
REF
(Pin 3):
2.5V Internal Reference. Bypass to GND and
a solid analog ground plane with a 10
μ
F ceramic capacitor
(or 10
μ
F tantalum in parallel with 0.1
μ
F ceramic). Can be
overdriven by an external reference voltage
≥
2.55V and
≤
V
DD
.
CH1
+
(Pin 4):
Noninverting Channel 1. CH1
+
operates fully
differentially with respect to CH1
–
with a 0V to 2.5V
differential swing and a 0 to V
DD
absolute input range.
CH1
–
(Pin 5):
Inverting Channel 1. CH1
–
operates fully
differentially with respect to CH1
+
with a –2.5V to 0V
differential swing and a 0 to V
DD
absolute input range.
GND (Pins 6, 11):
Ground and Exposed Pad. This single
ground pin and the Exposed Pad must be tied directly to
the solid ground plane under the part. Keep in mind that
analog signal currents and digital output signal currents
flow through these connections.
V
DD
(Pin 7):
3V Positive Supply. This single power pin
supplies 3V to the entire chip. Bypass to GND pin and solid
analog ground plane with a 10
μ
F ceramic capacitor (or
10
μ
F tantalum) in parallel with 0.1
μ
F ceramic. Keep in
mind that internal analog currents and digital output signal
currents flow through this pin. Care should be taken to
place the 0.1
μ
F bypass capacitor as close to Pins 6 and 7
as possible.
SDO (Pin 8):
Three-state Serial Data Output. Each pair of
output data words represent the two analog input chan-
nels at the start of the previous conversion.
SCK (Pin 9):
External Clock Input. Advances the conver-
sion process and sequences the output data on the rising
edge. One or more pulses wake from sleep.
CONV (Pin 10):
Convert Start. Holds the two analog input
signals and starts the conversion on the rising edge. Two
pulses with SCK in fixed high or fixed low state starts Nap
mode. Four or more pulses with SCK in fixed high or fixed
low state starts Sleep mode.
Reference Voltage vs V
DD
V
DD
(V)
2.4890
V
R
2.4894
2.4898
2.4902
2.4892
2.4896
2.4900
2.8
3.0
3.2
3.4
1407 G12
2.6
3.6
Reference Voltage
vs Load Current
LOAD CURRENT (mA)
0.4
0.8
1.2
1.6
1407 G13
2.0
0.2
0
0.6
1.0
1.4
1.8
2.4890
V
R
2.4894
2.4898
2.4902
2.4892
2.4896
2.4900
V
DD
= 3V, T
A
= 25
°
C (LTC1407/LTC1407A)
TYPICAL PERFOR U
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| LTC1407AIMSE#PBF | 功能描述:IC ADC 14BIT 3MSPS 10-MSOP 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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