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參數(shù)資料
| 型號： | AD8270ACPZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 9/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP DIFF 20MHZ DUAL 16LFCSP |
| 標準包裝： | 5,000 |
| 放大器類型： | 差分 |
| 電路數(shù)： | 2 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 30 V/µs |
| 增益帶寬積： | 20MHz |
| 電流 - 輸入偏壓： | 500pA |
| 電壓 - 輸入偏移： | 450µV |
| 電流 - 電源： | 2.3mA |
| 電流 - 輸出 / 通道： | 100mA |
| 電壓 - 電源，單路/雙路(±)： | 5 V ~ 36 V，±2.5 V ~ 18 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VQFN 裸露焊盤，CSP |
| 供應商設(shè)備封裝： | 16-LFCSP-VQ |
| 包裝： | 帶卷 (TR) |
AD8270
Rev. 0 | Page 17 of 20
The AD8270 Specifications section and Typical Performance
Characteristics section show the performance of the part primarily
when it is in the difference amplifier configuration. To get a good
estimate of the performance of the part in a single-ended
configuration, refer to the difference amplifier configuration
with the corresponding closed-loop gain (see Table 9).
Table 9. Closed-Loop Gain of the Difference Amplifiers
Difference Amplifier Gain
Closed-Loop Gain
0.5
1.5
1
2
3
Gain of 1 Configuration
The AD8270 is designed to be stable for loop gains of 1.5 and
greater. Because a typical voltage follower configuration has
a loop gain of 1, it may be unstable. Several stable G = 1 configu-
rations are listed in Table 8.
DIFFERENTIAL OUTPUT
The AD8270 can easily be configured for differential output.
Figure 48 shows the configuration for a G = 1 differential output
amplifier. The OCM node in the figure sets the common-mode
output voltage. Figure 49 shows the configuration for a G = 1
differential output amplifier, where the average of two voltages
sets the common-mode output voltage. For example, this
configuration can be used to set the common mode at 2.5 V,
using just a 5 V reference and GND.
06
97
9
-06
2
–IN
+IN
–IN
+IN
AD8270
_
+
_
+
10k
20k
5
8
16
15
14
13
6
7
1
2
3
4
11
12
10
9
–OUT
+OUT
OCM
–OUT
+OUT
–IN
+IN
VOCM
=
V+IN – V–IN = V+OUT – V–OUT
VOCM = V+OUT + V–OUT
Figure 48. Differential Output, G = 1, Common-Mode Output Voltage
Set with Reference Voltage
06
97
9-
06
3
–IN
+IN
–IN
+IN
AD8270
_
+
_
+
10k
20k
5
8
16
15
14
13
6
7
A
1
2
3
4
11
12
10
9
–OUT
+OUT
B
–OUT
+OUT
–IN
+IN
VOCM
=
V+IN – V–IN = V+OUT – V–OUT
V+OUT + V–OUT =
VA + VB
2
VA + VB
2
Figure 49. Differential Output, G = 1, Common-Mode Output Voltage
Set as the Average of Two Voltages
Note that these two configurations are based on the G = 0.5
difference amplifier configurations shown in Figure 42 and
Figure 45. A similar technique can be used to create differential
output with a gain of 2 or 4, using the G = 1 and G = 2 difference
amplifier configurations, respectively.
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| AD8270ACPZ-WP | 功能描述:IC AMP DIFF 20MHZ DUAL 16LFCSP 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(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| AD8271 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Power, Wide Supply Range, Low Cost Difference Amplifiers, |
| AD8271ARMZ | 功能描述:IC AMP PGA 15MHZ LDIST 10MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產(chǎn)品培訓模塊:Differential Circuit Design Techniques for Communication Applications 標準包裝:1 系列:- 放大器類型:RF/IF 差分 電路數(shù):1 輸出類型:差分 轉(zhuǎn)換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤，CSP 供應商設(shè)備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
| AD8271ARMZ-R7 | 功能描述:IC AMP PGA 15MHZ LDIST 10MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產(chǎn)品培訓模塊:Differential Circuit Design Techniques for Communication Applications 標準包裝:1 系列:- 放大器類型:RF/IF 差分 電路數(shù):1 輸出類型:差分 轉(zhuǎn)換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤，CSP 供應商設(shè)備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
| AD8271ARMZ-RL | 功能描述:IC AMP PGA 15MHZ LDIST 10MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 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(shè)備封裝:14-SOIC 包裝:帶卷 (TR) |
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