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參數(shù)資料
| 型號： | DC1500A-B |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 6/26頁 |
| 文件大小： | 0K |
| 描述： | BOARD SAR ADC LTC2392-16 |
| 軟件下載： | QuikEval II System |
| 設計資源： | DC1500A Design File DC1500A Schematic |
| 標準包裝： | 1 |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 500k |
| 數(shù)據(jù)接口： | 串行，并聯(lián) |
| 輸入范圍： | ±4.096 V |
| 在以下條件下的電源（標準）： | 110mW @ 500kSPS |
| 工作溫度： | 0°C ~ 70°C |
| 已用 IC / 零件： | LTC2392-16 |
| 已供物品： | 板 |
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LTC2392-16
14
239216fa
applications inFormation
Internal Reference
To use the internal reference, simply tie the REFOUT and
REFIN pins together. This connects the 4.096V output of
the internal reference to the input of the internal reference
buffer. The output impedance of the internal reference
is approximately 2.6kΩ and the input impedance of the
internalreferencebufferisabout85kΩ.Itisrecommended
that this node be bypassed to ground with a 1F or larger
capacitor to filter the output noise of the internal reference.
The REFSENSE pin should be left floating when using the
internal reference.
External Reference
An external reference can be used with the LTC2392-16
when even higher performance is required. The
LT1790-4.096 offers 0.05% (max) initial accuracy and
10ppm/°C (max) temperature coefficient. When using an
external reference, connect the reference output to the
REFIN pin and connect the REFOUT pin to ground. The
REFSENSE pin should be connected to the ground of the
external reference.
DYNAMIC PERFORMANCE
Fast fourier transform (FFT) techniques are used to test
the ADC’s frequency response, distortion and noise at the
rated throughput. By applying a low distortion sine wave
and analyzing the digital output using an FFT algorithm,
the ADC’s spectral content can be examined for frequen-
cies outside the fundamental. The LTC2392-16 provides
guaranteed tested limits for both AC distortion and noise
measurements.
Signal-to-Noise and Distortion Ratio (SINAD)
The signal-to-noise and distortion ratio (SINAD) is the
ratio between the RMS amplitude of the fundamental input
frequency and the RMS amplitude of all other frequency
components at the A/D output. The output is band-limited
to frequencies from above DC and below half the sampling
frequency. Figure 5 shows that the LTC2392-16 achieves
a typical SINAD of 93.5dB at a 500kHz sampling rate with
a 20kHz input.
Figure 5. 16k Point FFT of the LTC2392-16, fS = 500ksps, fIN = 20kHz
FREQUENCY (kHz)
0
–180
AMPLITUDE
(dBFS)
–160
–120
–100
–80
50
100
250
150
200
0
239216 G08
–140
–60
–40
–20
SNR = 94dB
THD
= –103dB
SINAD = 93.5dB
SFDR = 104dB
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DC1500A-C | 功能描述:BOARD SAR ADC LTC2391-16 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:- 產品培訓模塊: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 |
| DC1500B2 PK2 | 制造商:Duracell 功能描述:Battery, Rechargeable, Nickel Metal Hydride, AA cell, 2 pk, 1.2 V |
| DC1500B4 PK4 | 制造商:Duracell 功能描述:Battery, Rechargeable, Nickel Metal Hydride, AA cell, 4 PK, 1.2 V |
| DC1500B4N | 制造商:Duracell 功能描述:BATTERY, RECHARGEABLE, NIMH, 2.45AH; Battery Size Code:AA; Battery Capacity:2.45Ah; Battery Voltage:1.2V; Battery Technology:Nickel Metal Hydride; External Diameter:14.5mm; External Height:49.5mm; Weight:28g; Battery NEDA Code:1.2H1 |
| DC1500B4N005 | 制造商:Duracell 功能描述:AA NiMH Rechargeable Batteries - 4 pack |
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