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參數資料
| 型號： | ADA4899-1YRDZ-R7 |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 7/21頁 |
| 文件大小： | 0K |
| 描述： | IC OPAMP VF ULN ULDIST 8SOIC |
| 產品培訓模塊： | Practical Guide High Speed PCB Layout |
| 設計資源： | High Speed, Precision, Differential AC-Coupled Drive Circuit for AD7625 (CN0080) |
| 標準包裝： | 1,000 |
| 放大器類型： | 電壓反饋 |
| 電路數： | 1 |
| 轉換速率： | 310 V/µs |
| -3db帶寬： | 600MHz |
| 電流 - 輸入偏壓： | 6µA |
| 電壓 - 輸入偏移： | 35µV |
| 電流 - 電源： | 14.7mA |
| 電流 - 輸出 / 通道： | 200mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 12 V，±2.25 V ~ 6 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm Width）裸露焊盤 |
| 供應商設備封裝： | 8-SOIC-EP |
| 包裝： | 帶卷 (TR) |
ADA4899-1
Rev. B | Page 14 of 20
APPLICATIONS
UNITY-GAIN OPERATION
The ADA4899-1 schematic for unity-gain configuration is
nearly a textbook example (see Figure 46). The only exception is
the small 24.9 Ω series resistor at the noninverting input. The
series resistor is only required in unity-gain configurations;
higher gains negate the need for the resistor. In Table 4, it can be
seen that the overall noise contribution of the amplifier and the
24.9 Ω resistor is equivalent to the noise of a single 87 Ω resistor.
Figure 47 shows the small signal frequency response for the
unity-gain amplifier shown in Figure 46.
05
72
0
-03
7
VOUT
+VS
–VS
0.1F
24.9
VIN
0.1F
Figure 46. Unity-Gain Schematic
05
72
0-
0
63
10000
1100
10
1000
–12
–9
–6
–3
0
3
G = +1
RL = 100
C
L
O
S
E
D
-L
OO
P
GA
IN
(dB
)
FREQUENCY (MHz)
25mV p-p
50mV p-p
200mV p-p
100mV p-p
Figure 47. Small Signal Frequency Response for Various Output Voltages
RECOMMENDED VALUES FOR VARIOUS GAINS
Table 4 provides a handy reference for determining various
gains and associated performance. For noise gains greater than
one, the Series Resistor RS is not required. Resistors RF and RG
are kept low to minimize their contribution to the overall noise
performance of the amplifier.
Table 4. Conditions: VS = ±5 V, TA = 25°C, RL = 1 kΩ
Gain
RF (Ω)
RG (Ω)
RS (Ω)
3 dB SS BW (MHz)
(25 mV p-p)
Slew Rate (V/μs)
(2 V Step)
ADA4899-1 Voltage
Noise (nV/√Hz)
Total Voltage
Noise (nV/√Hz)
+1
0
NA
24.9
605
274
1
1.2
1
100
0
294
265
2
2.7
+2
100
0
277
253
2
2.7
+5
200
49.9
0
77
227
5
6.5
+10
453
49.9
0
37
161
10
13.3
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADA4899-1YRDZ-RL | 功能描述:IC OPAMP VF ULN ULDIST 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:LinCMOS™ 放大器類型:通用 電路數:4 輸出類型:- 轉換速率:0.05 V/µs 增益帶寬積:110kHz -3db帶寬:- 電流 - 輸入偏壓:0.7pA 電壓 - 輸入偏移:210µV 電流 - 電源:57µA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:14-SOIC 包裝:管件 產品目錄頁面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5 |
| ADA4922-1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:14-Bit, 1 MSPS, Differential, Programmable Input PulSAR ADC |
| ADA4922-1ACP-EBZ | 功能描述:BOARD EVAL FOR ADA4922-1ACP RoHS:是 類別:編程器，開發系統 >> 評估板 - 運算放大器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| ADA4922-1ACPZ-R2 | 功能描述:IC ADC DRIVER 18BIT DIFF 8-LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
| ADA4922-1ACPZ-R7 | 制造商:Analog Devices 功能描述:SP AMP DIFF LINE DRVR AMP SGL R-R O/P 26V 8LFCSP EP - Bulk |
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