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?ADI可編程增益放大器

發(fā)布時(shí)間:2022-12-15 16:36:11     瀏覽:6996

可編程增益放大器(PGA)是種能夠根據(jù)需要通過(guò)系統(tǒng)控制放大的通用型放大器。

ADI可編程增益放大器由全平衡差分放大器模塊、譯碼器模塊和電阻開關(guān)陣列模塊組合而成。全平衡差分放大器模塊中負(fù)反饋電阻分壓器的電阻比決定著ADI可編程增益放大器的最高增益值。根據(jù)解碼器模塊的解碼結(jié)果,電阻開關(guān)陣列模塊可以調(diào)整輸入信號(hào)的衰減。最終,放大器的增益值是可編程的。

ADI公司的可編程增益放大器(PGA)具有出色的增益精度、通道間匹配規(guī)格和1 ppm/°C的低漂移。利用一個(gè)簡(jiǎn)單的串行或并行接口便可在1 V/V4000 V/V以上范圍內(nèi)設(shè)定增益。

深圳市立維創(chuàng)展科技是ADI的分銷商,主要供應(yīng)放大器、線性產(chǎn)品、數(shù)據(jù)轉(zhuǎn)換器、音視頻產(chǎn)品、寬帶產(chǎn)品、時(shí)鐘和定時(shí)IC、光纖通信產(chǎn)品、接口和間隔、MEMS和傳感器、電源和熱經(jīng)管、處理器和DSP、射頻和圖形處理器、開關(guān)和分配器等。大部分產(chǎn)品,均提供現(xiàn)貨庫(kù)存供貨。

詳情了解ADI芯片請(qǐng)點(diǎn)擊:http://m.yzgnjsb.cn/brand/25.html

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產(chǎn)品型號(hào)

GBP (typ)

Vos (typ)

Gain

Vs span (min)

Vs span (max)


Hz

V

V/V

V

V

MAX3523

350M


-24 to +38dB

4.75

5.25

MAX3522B

350M


-24.3 to +26.2dB

4.75

5.25

MAX3521

275M


-25 to +37dB

4.75

5.25

MAX1454



6 to 2048 (32 gains)

3

5.5

LTC6602

900k

7m

1, 16, 32, 4

2.7

3.6

LTC6603

2.5M

8m

1, 16, 2, 4

2.7

3.6

MAX9939

2.15M

1.5m

0.2V/V to 157V/V

2.9

5.5

LTC6912-1

30M

2m

0, 1, 10, 100, 2, 20, 5, 50

2.7

10.5

LTC6912-2

30M

2m

0, 1, 16, 2, 32, 4, 64, 8

2.7

10.5

LTC6911-1

11M

2m

0, 1, 10, 100, 2, 20, 5, 50

2.7

10.5

LTC6911-2

11M

2m

0, 1, 16, 2, 32, 4, 64, 8

2.7

10.5

LTC6915

200k

0, 1, 1024, 128, 16, 2, 2048, 256, 32, 4, 4096, 512, 64, 8

2.7

11

LTC6910-1

11M

3m

0, 1, 10, 100, 2, 20, 5, 50

2.7

11

LTC6910-2

11M

3m

0, 1, 16, 2, 32, 4, 64, 8

2.7

11

LTC6910-3

11M

3m

0, 1, 2, 3, 4, 5, 6, 7

2.7

11

LTC1564

150k

3m

1, 10, 11, 12, 13, 14, 15, 16, 2, 3, 4, 5, 6, 7, 8, 9

2.7

10.5

MAX1452



39 to 234 (16 gains)

4.5

5.5


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