參數(shù)資料
型號(hào)： LTC2152IUJ-14#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： ADC
英文描述： 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
封裝： 6 X 6 MM, LEAD FREE, PLASTIC, QFN-40
文件頁(yè)數(shù)： 13/32頁(yè)
文件大?。?/td> 790K
代理商： LTC2152IUJ-14#PBF
LTC2152-14/
LTC2151-14/LTC2150-14
20
21521014f
applicaTions inForMaTion
Figure 5. Recommended Front-End Circuit for
Input Frequencies from 150MHz Up to 900MHz
Figure 6. Front-End Circuit Using a High
Speed Differential Amplifier
Amplifier Circuits
Figure 6 shows the analog input being driven by a high
speed differential amplifier. The output of the amplifier is
AC-coupled to the A/D so the amplifier’s output common
mode voltage can be optimally set to minimize distortion.
At very high frequencies an RF gain block will often have
lower distortion than a differential amplifier. If the gain
block is single-ended, then a transformer circuit (Figures
3 and 5) should convert the signal to differential before
driving the A/D. The A/D cannot be driven single-ended.
Reference
The LTC2152-14/LTC2151-14/LTC2150-14 has an internal
1.25V voltage reference. For a 1.5V input range with in-
ternal reference, connect SENSE to VDD. For a 1.5V input
range with an external reference, apply a 1.25V reference
voltage to SENSE (Figure 7).
Encode Input
The signal quality of the encode inputs strongly affects
the A/D noise performance. The encode inputs should
be treated as analog signals—do not route them next to
digital traces on the circuit board.
The encode inputs are internally biased to 1.2V through
10k equivalent resistance (Figure 8). If the common mode
of the driver is within 1.1V to 1.5V, it is possible to drive
4.7
50
0.1F
AIN+
AIN–
0.1F
3pF
VCM
LTC2152-14
21521014 F06
INPUT
0.1F
3pF
T1
45
10
4.7
0.1F
IN
0.1F
21521014 F05
LTC2152-14
AIN+
AIN–
VCM
4.7
MABA
007159-
000000
100
Figure 7. Reference Circuit
Figure 8. Equivalent Encode Input Circuit
VDD
LTC2152-14
21521014 F08
1.2V
10k
ENC+
ENC–
SCALER/
BUFFER
1.25V
SENSE
VREF
21521014 F07
5
ADC
REFERENCE
SENSE
DETECTOR
2.2F
相關(guān)PDF資料
PDF描述
LTC2150IUJ-14#PBF 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
LTC2151CUP-14#PBF 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
LTC2151IUP-14#PBF 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
LTC2151IUP-14#TRPBF 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
LTC2150IUP-14#PBF 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC2152IUP-14PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:14-Bit 250Msps/ 210Msps/170Msps ADCs
LTC2153-14 制造商:LINER 制造商全稱:Linear Technology 功能描述:300MHz to 4GHz Active Downconverting Mixer
LTC2153CUJ-14#PBF 功能描述:IC ADC 14BIT DUAL 310MSPS 40QFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:250 系列:- 位數(shù):12 采樣率（每秒）:1.8M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:1.82W 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-LQFP 供應(yīng)商設(shè)備封裝:48-LQFP（7x7） 包裝:管件 輸入數(shù)目和類型:2 個(gè)單端，單極
LTC2153CUJ-14#TRPBF 功能描述:IC ADC 14BIT DUAL 310MSPS 40QFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:250 系列:- 位數(shù):12 采樣率（每秒）:1.8M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:1.82W 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-LQFP 供應(yīng)商設(shè)備封裝:48-LQFP（7x7） 包裝:管件 輸入數(shù)目和類型:2 個(gè)單端，單極
LTC2153IUJ-12#PBF 制造商:Linear Technology 功能描述:IC ADC 12BIT DUAL 310MSPS 制造商:Linear Technology 功能描述:MS-ADC/High Speed, 12-bit, 310Msps, 1.8V ADC, DDR LVDS Outputs
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