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參數(shù)資料
| 型號： | SMP04EPZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 14/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP SAMPLE HOLD CMOS 16DIP |
| 標準包裝： | 25 |
| 放大器類型： | 采樣和保持 |
| 電路數(shù)： | 4 |
| 轉(zhuǎn)換速率： | 4 V/µs |
| 電流 - 輸入偏壓： | 500nA |
| 電壓 - 輸入偏移： | 2500µV |
| 電流 - 電源： | 4mA |
| 電流 - 輸出 / 通道： | 1.2mA |
| 電壓 - 電源，單路/雙路(±)： | 5 V ~ 12 V，±2.5 V ~ 6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 16-DIP（0.300"，7.62mm） |
| 供應商設備封裝： | 16-PDIP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 768 (CN2011-ZH PDF) |
–8–
SMP04
REV. D
Optimizing Dynamic Performance of the SMP04
Various operating parameters such as input voltage amplitude,
sampling pulsewidth and, as mentioned before, supply bypass-
ing and grounding all have an effect on the signal-to-noise ratio.
Table I shows the SNR versus input level for the SMP04.
Distortion of the SMP04 is reduced by increasing the supply
voltage. This has the effect of increasing the positive slew rate.
Table II shows data taken at 12.3 kHz sample rate and 2 kHz
input frequency. Total harmonic distortion is dominated by the
second and third harmonics.
FREQUENCY DOMAIN PERFORMANCE
The SMP04 has been characterized in the frequency domain for
those applications that require capture of dynamic signals. See
Figure 16a for typical 86.1 kHz sample rate and an 8 kHz input
signal. Typically, the SMP04 can sample at rates up to 85 kHz.
In addition to the maximum sample rate, a minimum sample
pulsewidth will also be acceptable for a given design. Our testing
shows a drop in performance as the sample pulsewidth becomes
less than 4
s.
10 dB/DIV
RANGE 15.0 dBm
6.0 dBm
START 1 000.0 Hz
STOP 100 000.0 Hz
a.
10 dB/DIV
RANGE 15.0 dBm
6.3 dBm
START 1 000.0 Hz
STOP 100 000.0 Hz
b.
Figure 16. Spectral Response at a Sampling Frequency of
86 kHz. Photo (a) Shows a 20 kHz Carrier Frequency and
Photo (b) Shows an 8 kHz Frequency.
Table III shows the effect of sampling pulsewidth on the SNR of
the SMP04. The recommended operating pulsewidth should be
a minimum of 5
s to achieve a good balance between acqui-
sition time and SNR for the 1.4 V p-p signal shown. For larger
swings the pulsewidth will need to be larger to account for
the time required for the signal to slew the additional voltage.
This could be used as a method of measuring acquisition
time indirectly.
Table I. SNR vs. VIN
Input
Voltage
SNR
(V p-p)
(dB)
1
–61
2
–53
3
–50
4
–47
5
–45
6
–44
Conditions: VS = ± 6 V, fS = 14.4 kHz,
fIN = 1.8 kHz, tPW = 10 s.
Table II. SNR vs. Supply Voltage
Supply
Voltage
2nd
3rd
(V)
(dB)
10
–49
–62
12
–55
–71
14
–60
–80
15
–62
<–80
16
–63
<–83
17
–65
<–85
Table III. SNR vs. Sample Pulsewidth
Sample
Pulsewidth
SNR
( s)
(dB)
1
–37
2
–44
3
–50
4
–54
5
–54.9
6
–55
7
–55.3
Conditions: VS = ± 6 V, VIN = 1.4 V p-p,
fS = 14.4 kHz, fIN = 1.8 kHz.
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SMP04EPZ | 制造商:Analog Devices 功能描述:Audio Power Amplifier IC |
| SMP04EQ | 功能描述:IC AMP SAMPLE HOLD CMOS 16CDIP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:3.5 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:30pA 電壓 - 輸入偏移:2000µV 電流 - 電源:200µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-PDIP 包裝:管件 |
| SMP04ES | 功能描述:IC AMP SAMPLE HOLD CMOS 16SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOIC 包裝:帶卷 (TR) |
| SMP04ES-REEL | 功能描述:IC AMP SAMPLE HOLD CMOS 16SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOIC 包裝:帶卷 (TR) |
| SMP04ESZ | 功能描述:IC AMP SAMPLE HOLD CMOS 16SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
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