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參數資料
| 型號： | LTC6912CDE-1#PBF |
| 廠商： | Linear Technology |
| 文件頁數： | 1/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC PGA DIGITAL R-R DUAL 12-DFN |
| 標準包裝： | 91 |
| 放大器類型： | 可編程增益 |
| 電路數： | 2 |
| 輸出類型： | 滿擺幅 |
| 轉換速率： | 26 V/µs |
| 增益帶寬積： | 33MHz |
| 電壓 - 輸入偏移： | 125µV |
| 電流 - 電源： | 2.25mA |
| 電流 - 輸出 / 通道： | 35mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 10.5 V，±2.7 V ~ 5.25 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 12-WFDFN 裸露焊盤 |
| 供應商設備封裝： | 12-DFN-EP（4x3） |
| 包裝： | 管件 |
LTC6912
1
6912fa
FEATURES
TYPICAL APPLICATIO
U
■ 2 Channels with Independent Gain Control
LTC6912-1: (0, 1, 2, 5, 10, 20, 50, and 100V/V)
LTC6912-2: (0, 1, 2, 4, 8, 16, 32, and 64V/V)
■ Offset Voltage = 2mV Max (–40
°C to 85°C)
■ Channel-to-Channel Gain Matching of 0.1dB Max
■ 3-Wire SPI
TM Interface
■ Extended Gain-Bandwidth at High Gains
■ Wired-OR Outputs Possible (2:1 Analog MUX
Function)
■ Low Power Hardware Shutdown (GN-16 Only,
2
A Max at 2.7V)
■ Rail-to-Rail Input Range
■ Rail-to-Rail Output Swing
■ Single or Dual Supply: 2.7V to 10.5V Total
■ Input Noise: 12.6nV/
√Hz
■ Total System Dynamic Range to 115dB
■ 16-Pin GN (SSOP) or 12-Pin DFN Package Options
■ Data Acquisition Systems
■
Dynamic Gain Changing
■ Automatic Ranging Circuits
■
Automatic Gain Control
Dual Programmable
Gain Amplifiers with
Serial Digital Interface
The LTC
6912 is a family of dual channel, low noise,
digitally programmable gain amplifiers (PGA) that are
easy to use and occupy very little PC board space. The
gains for both channels are independently programmable
using a 3-wire SPI interface to select voltage gains of 0, 1,
2, 5, 10, 20, 50, and 100V/V (LTC6912-1 ); and 0, 1, 2, 4,
8, 16, 32, and 64V/V (LTC6912-2). All gains are inverting.
The LTC6912 family consists of 2 matched amplifiers with
rail-to-rail outputs. When operated with unity gain, they
will also process rail-to-rail input signals. A half-supply
reference generated internally at the AGND pin supports
single power supply applications. Operating from single
or split supplies from 2.7V to 10.5V total, the LTC6912-X
family is offered in tiny SSOP and DFN-12 Packages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
INA
AGND
INB
1
F
0.1
F
VINA
VINB
VOUTA = GAINA VINA
VOUTB = GAINB VINB
OUT A
OUT B
LTC6912-X
V+
3V
V–
SHDN
CS/LD
DATA
CLK
SHDN
CS/LD
DIN
5
6
7
8
10
9
DGND
DOUT
2
12
14
3
4
15
13
CHB
CHA
3-WIRE
SPI
INTERFACE
6912 TA01a
FREQUENCY (kHz)
0.1
GAIN
(dB)
40
30
20
10
0
–10
1
10
100
1000
6912 TA01b
10000
GAIN OF 64
GAIN OF 32
GAIN OF 16
GAIN OF 8
GAIN OF 4
GAIN OF 2
GAIN OF 1
VS = ±2.5V
VIN = 10mVRMS
LTC6912-2
Frequency Response
A Dual, Matched Low Noise PGA (16-Lead SSOP Package)
DESCRIPTIO
U
All other trademarks are the property of their respective owners.
APPLICATIO S
U
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC6912CDE-2 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Programmable Gain Amplifiers with Serial Digital Interface |
| LTC6912CDE-2#PBF | 功能描述:IC PGA DIGITAL R-R DUAL 12-DFN RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 其它有關文件:Automotive Product Guide 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 放大器類型:通用 電路數:1 輸出類型:滿擺幅 轉換速率:3 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:70µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應商設備封裝:SOT-6 包裝:Digi-Reel® 其它名稱:MAX4475AUT#TG16DKR |
| LTC6912CDE-2#TRPBF | 功能描述:IC PGA DIGITAL R-R DUAL 12-DFN RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 其它有關文件:Automotive Product Guide 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 放大器類型:通用 電路數:1 輸出類型:滿擺幅 轉換速率:3 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:70µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應商設備封裝:SOT-6 包裝:Digi-Reel® 其它名稱:MAX4475AUT#TG16DKR |
| LTC6912CGN-1 | 制造商:Linear Technology 功能描述:SP Amp Variable Gain Amp Dual R-R I/O ±5.25V/10.5V 16-Pin SSOP N |
| LTC6912CGN-1#PBF | 功能描述:IC PGA DIGITAL R-R DUAL 16SSOP 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 |
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