- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄17031 > DC1571A-B (Linear Technology)BOARD SAR ADC LTC2382-16 PDF資料下載
參數(shù)資料
| 型號： | DC1571A-B |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD SAR ADC LTC2382-16 |
| 軟件下載： | QuikEval II System |
| 設計資源： | DC1571A Design Files DC1571A Schematic |
| 標準包裝： | 1 |
| 系列： | QuikEval™ |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 500k |
| 數(shù)據(jù)接口： | 串行，SPI? |
| 輸入范圍： | ±2.5 V |
| 在以下條件下的電源（標準）： | 6.5mW @ 500kSPS |
| 工作溫度： | 0°C ~ 70°C |
| 已用 IC / 零件： | LTC2382-16 |
| 已供物品： | 板 |
| 相關產(chǎn)品： | DC718C-ND - DEMO QUIKEVAL-II DATA DC590B-ND - BOARD DEMO USB SERIAL CONTROLLER LTC2382IMS-16#TRPBF-ND - IC ADC 16BIT 1CH 500KSPS 16-MSOP LTC2382IMS-16#PBF-ND - IC ADC 16BIT 1CH 500KSPS 16-MSOP LTC2382IDE-16#TRPBF-ND - IC ADC 16BIT 1CH 500KSPS 16-DFN LTC2382IDE-16#PBF-ND - IC ADC 16BIT 1CH 500KSPS 16-DFN LTC2382HMS-16#TRPBF-ND - IC ADC 16BIT 1CH 500KSPS 16-MSOP LTC2382HMS-16#PBF-ND - IC ADC 16BIT 1CH 500KSPS 16-MSOP LTC2382CMS-16#TRPBF-ND - IC ADC 16BIT 1CH 500KSPS 16-MSOP LTC2382CDE-16#TRPBF-ND - IC ADC 16BIT 1CH 500KSPS 16-DFN 更多... |
LTC2382-16
11
238216f
APPLICATIONS INFORMATION
Single-to-Differential Conversion
For single-ended input signals, a single-ended to differential
conversion circuit must be used to produce a differential
signal at the inputs of the LTC2382-16. The LT6350 ADC
driver is recommended for performing single-ended-to-
differential conversions.The LT6350 is flexible and may
be configured to convert single-ended signals of various
amplitudes to the ±2.5V differential input range of the
LTC2382-16. The LT6350 is also available in H-grade to
complement the extended temperature operation of the
LTC2382-16 up to 125°C.
Figure 5 shows the LT6350 being used to convert a 0V
to 2.5V single-ended input signal. In this case, the first
amplifier is configured as a unity gain buffer and the single-
ended input signal directly drives the high-impedance
input of the amplifier. As shown in the FFT of Figure 5a,
the LT6350 drives the LTC2382-16 to full datasheet
performance without degrading the SNR or THD.
The LT6350 can also be used to buffer and convert
single-ended signals larger than the input range of the
LTC2382-16 in order to maximize the signal swing that
can be digitized. Figure 6 shows the LT6350 converting a
0V-5V single-ended input signal to the ±2.5V differential
input range of the LTC2382-16. In this case, the first
amplifier in the LT6350 is configured as an inverting
amplifier stage, which acts to attenuate the input signal
down to the 0V-2.5V input range of the LTC2382-16. In the
inverting amplifier configuration, the single-ended input
signal source no longer directly drives a high impedance
input of the first amplifier. The input impedance is instead
set by resistor RIN. RIN must be chosen carefully based on
the source impedance of the signal source. Higher values
of RIN tend to degrade both the noise and distortion of
the LT6350 and LTC2382-16 as a system. R1, R2 and R3
must be selected in relation to RIN to achieve the desired
attenuation and to maintain a balanced input impedance
in the first amplifier. Table 1 shows the resulting SNR
and THD for several values of RIN, R1, R2 and R3 in this
configuration. Figure 6a shows the resulting FFT when
using the LT6350 as shown in Figure 6.
The LT6350 can also be used to buffer and convert large,
true bipolar signals which swing below ground to the ±2.5V
differential input range of the LTC2382-16. Figure 7 shows
the LT6350 being used to convert a ±10V true bipolar signal
for use by the LTC2382-16. The input impedance is again
set by resistor RIN. Table 2 shows the resulting SNR and
THD for several values of RIN. Figure 7a shows the resulting
FFT when using the LT6350 as shown in Figure 7.
LT6350
VCM = VREF/2
2.5V to
0V
0V to
2.5V
0V to 2.5V
238216 F05
OUT1
RINT
OUT2
8
4
5
2
1
+
–
+
–
+
FREQUENCY (kHz)
0
50
100
150
200
250
–180
AMPLITUDE
(dBFS)
–60
–40
–20
–80
–100
–120
–140
–160
0
238216 F05a
SNR = 92.2dB
THD = –106dB
SINAD = 92dB
SFDR = 107dB
Figure 5. LT6350 Converting a 0V-2.5V Single-Ended Signal
to a ±2.5V Differential Input Signal
Figure 5a.32k Point FFT Plot for Circuit Shown in Figure 5
相關PDF資料 |
PDF描述 |
|---|---|
| DC1571A-A | BOARD SAR ADC LTC2383-16 |
| STD17W-5 | WIRE & CABLE MARKERS |
| STD17W-T | WIRE & CABLE MARKERS |
| EVAL-AD7612CBZ | BOARD EVALUATION FOR AD7612 |
| UVZ1J222MHD | CAP ALUM 2200UF 63V 20% RADIAL |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DC1571A-C | 功能描述:BOARD SAR ADC LTC2381-16 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉換器 (ADC) 系列:QuikEval™ 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| DC1571B | 制造商:Aleph America Corporation 功能描述: |
| DC15-73 | 制造商:ALPHA 制造商全稱:ALPHA 功能描述:Directional Coupler 1.42-1.66 GHz |
| DC1573A | 制造商:Linear Technology 功能描述:EVAL BOARD, LT3760 LED DRIVER, Topology:Boost (Step Up), No. of Outputs:8, Input 制造商:Linear Technology 功能描述:EVAL BOARD, LT3760 LED DRIVER, Topology:Boost (Step Up), No. of Outputs:8, Input Voltage Min:6V, Input Voltage Max:40V, Dimming Control Type:PWM / Analogue, Kit Contents:Eval Board LT3760 , RoHS Compliant: NA |
| DC15-73LF | 功能描述:信號調節(jié) 1.42-1.66GHz Coupling 18.4 dB typ RoHS:否 制造商:EPCOS 產(chǎn)品:Duplexers 頻率:782 MHz, 751 MHz 頻率范圍: 電壓額定值: 帶寬: 阻抗:50 Ohms 端接類型:SMD/SMT 封裝 / 箱體:2.5 mm x 2 mm 工作溫度范圍:- 30 C to + 85 C 封裝:Reel |
發(fā)布緊急采購，3分鐘左右您將得到回復。