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參數(shù)資料
| 型號： | LTC6911-1 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Dual Matched Amplifiers with Digitally Programmable Gain in MSOP |
| 中文描述： | 與采用MSOP數(shù)字可編程增益放大器雙匹配 |
| 文件頁數(shù)： | 13/20頁 |
| 文件大小： | 224K |
| 代理商： | LTC6911-1 |
LTC6911-1/LTC6911-2
13
sn691112 691112fs
AGND (Pin 2):
Analog Ground. The AGND pin is at the
midpoint of an internal resistive voltage divider, develop-
ing a potential halfway between the V
+
and V
–
pins, with an
equivalent series resistance to the pin of nominally 5k
(Figure1). AGND is also the noninverting input to both the
internal channel A and channel B amplifiers. This makes
AGND the ground reference voltage for the INA, INB, OUTA
and OUTB pins. Recommended analog ground plane con-
nection depends on how power is applied to the LTC6911-X
(see Figures 2, 3 and 4). Single power supply applications
typically use V
–
for the system signal ground. The analog
ground plane in single supply applications should there-
fore tie to V
–
, and the AGND pin should be bypassed to this
ground plane by a high quality capacitor of at least 1
μ
F
(Figure 2). The AGND pin provides an internal analog
reference voltage at half the V
+
supply voltage. Dual supply
applications with symmetrical supplies (such as
±
5V)
have a natural system ground plane potential of zero volts,
which can be tied directly to the AGND pin, making the zero
volt ground plane the input and output reference voltage
for the LTC6911-X (Figure 3). Finally, if dual asymmetrical
power supplies are used, the supply ground is still the
natural ground plane voltage. To maximize signal swing
PIU
capability with an asymmetrical supply, however, it is
often desirable to refer the LTC6911-X’s analog input and
output to a voltage equidistant from the two supply rails V
+
and V
–
. The AGND pin will provide such a potential when
open-circuited and bypassed with a capacitor (Figure 4).
Figure 3. Dual Supply Ground Plane Connection
Figure 2. Single Supply Ground Plane Connection
LTC6911-X
DIGITAL GROUND PLANE
(IF ANY)
ANALOG
GROUND
PLANE
1
SINGLE-POINT
SYSTEM GROUND
2
3
4
5
691112 F03
10
9
8
7
6
0.1
μ
F
V
–
V
+
0.1
μ
F
Figure 4. Asymmetrical Dual Supply Ground Plane Connection
LTC6911-X
DIGITAL GROUND PLANE
(IF ANY)
ANALOG
GROUND
PLANE
1
SINGLE-POINT
SYSTEM GROUND
2
3
4
5
691112 F04
10
9
8
7
6
0.1
μ
F
V
–
V
+
0.1
μ
F
≥
1
μ
F
REFERENCE
V
+
+ V
–
2
DIGITAL GROUND PLANE
(IF ANY)
ANALOG
GROUND
PLANE
SINGLE-POINT
SYSTEM GROUND
REFERENCE
V
+
2
691112 F02
≥
1
μ
F
LTC6911-X
1
2
3
4
5
10
9
8
7
6
V
+
0.1
μ
F
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PDF描述 |
|---|---|
| LTC6911-2 | Dual Matched Amplifiers with Digitally Programmable Gain in MSOP |
| LTC6911CMS-2 | Dual Matched Amplifiers with Digitally Programmable Gain in MSOP |
| LTC6911IMS-1 | Dual Matched Amplifiers with Digitally Programmable Gain in MSOP |
| LTC6911IMS-2 | Dual Matched Amplifiers with Digitally Programmable Gain in MSOP |
| LTC6911HMS-1 | Dual Matched Amplifiers with Digitally Programmable Gain in MSOP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC6911-2 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Matched Amplifiers with Digitally Programmable Gain in MSOP |
| LTC6911CMS-1 | 功能描述:IC PGA DIGITAL R-R DUAL 10MSOP 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:13 V/µs 增益帶寬積:3MHz -3db帶寬:- 電流 - 輸入偏壓:65pA 電壓 - 輸入偏移:3000µV 電流 - 電源:1.4mA 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:-40°C ~ 85°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 |
| LTC6911CMS-1#PBF | 功能描述:IC PGA DIGITAL R-R DUAL 10MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:2pA 電壓 - 輸入偏移:1000µV 電流 - 電源:85µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 6 V 工作溫度:-40°C ~ 125°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-SOICN 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:680 (CN2011-ZH PDF) 其它名稱:MCP6L04T-E/SLCT |
| LTC6911CMS-1#TR | 功能描述:IC PGA DIGITAL R-R DUAL 10MSOP 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:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:10-MSOP 包裝:管件 |
| LTC6911CMS-1#TRPBF | 功能描述:IC PGA DIGITAL R-R DUAL 10MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:10-MSOP 包裝:管件 |
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