參數(shù)資料
型號(hào): LTC6911CMS-1
廠商: Linear Technology
文件頁(yè)數(shù): 1/20頁(yè)
文件大?。?/td> 0K
描述: IC PGA DIGITAL R-R DUAL 10MSOP
標(biāo)準(zhǔn)包裝: 50
放大器類型: 可編程增益
電路數(shù): 2
輸出類型: 滿擺幅
轉(zhuǎn)換速率: 16 V/µs
增益帶寬積: 11MHz
電壓 - 輸入偏移: 2000µV
電流 - 電源: 3.1mA
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: 10-TFSOP,10-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 10-MSOP
包裝: 剪切帶 (CT)
LTC6911-1/LTC6911-2
1
sn691112 691112fs
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
3-Bit Digital Gain Control:
(Inverting Gains of 0, 1, 2, 5, 10, 20, 50
and 100V/V) -1 Option
(Inverting Gains of 0, 1, 2, 4, 8, 16, 32
and 64V/V) -2 Option
s
Two Matched Programmable Gain Amplifiers
s
Channel-to-Channel Gain Matching of 0.1dB (Max)
s
Rail-to-Rail Input Range
s
Rail-to-Rail Output Swing
s
Single or Dual Supply: 2.7V to 10.5V Total
s
11MHz Gain Bandwidth Product
s
Input Noise: 10nV/
√Hz
s
Total System Dynamic Range to 120dB
s
Input Offset Voltage: 2mV, Gain of 10
s
Low Profile 10-Lead MSOP Package
Dual Matched Amplifiers
with Digitally Programmable
Gain in MSOP
s
Data Acquisition Systems
s
Dynamic Gain Changing
s
Automatic Ranging Circuits
s
Automatic Gain Control
Frequency Response (LTC6911-1)
The LTC
6911 is a family of low noise digitally program-
mable gain amplifiers (PGAs) that are easy to use and
occupy very little PC board space. The matched gain of
both channels is adjustable using a 3-bit parallel interface
to select voltage gains of 0, 1, 2, 5, 10, 20, 50 and 100V/
V (LTC6911-1) and 0, 1, 2, 4, 8, 16, 32 and 64V/V
(LTC6911-2). All gains are inverting.
The LTC6911 family consists of two matched inverting
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, the
LTC6911 family is offered in a 10-lead MSOP package.
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
LTC6911-X
10
79
VOUTB =
GAIN VINB
VOUTA =
GAIN VINA
8
1
VINA
AGND
VINB
3
2
≥1F
0.1
F
V+
2.7V TO 10.5V
45
6
691112 TA01
G0
G1
G2
G2
0
1
G1
0
1
0
1
G0
0
1
0
1
0
1
0
1
LTC6911-1
0
–1
–2
–5
–10
–20
–50
–100
LTC6911-2
0
–1
–2
–4
–8
–16
–32
–64
DIGITAL
INPUT
GAIN IN V/V
FREQUENCY (Hz)
10
GAIN
(dB)
30
50
0
20
40
100
10k
100k
1M
10M
691112 TA02
–10
1k
GAIN OF –100 (DIGITAL INPUT 111)
GAIN OF –1 (DIGITAL INPUT 001)
GAIN OF –2 (DIGITAL INPUT 010)
GAIN OF –5 (DIGITAL INPUT 011)
GAIN OF –10 (DIGITAL INPUT 100)
GAIN OF –20 (DIGITAL INPUT 101)
GAIN OF –50 (DIGITAL INPUT 110)
VS = 10V, VIN = 5mVRMS
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