參數資料
型號： AD524ARZ-16
廠商： Analog Devices Inc
文件頁數： 13/28頁
文件大?。?/td> 0K
描述： IC AMP INST 1MHZ PREC LN 16SOIC
標準包裝： 47
放大器類型： 儀表
電路數： 1
轉換速率： 5 V/µs
增益帶寬積： 1MHz
-3db帶寬： 1MHz
電流 - 輸入偏壓： 50nA
電壓 - 輸入偏移： 250µV
電流 - 電源： 3.5mA
電壓 - 電源，單路/雙路(±)： ±6 V ~ 18 V
工作溫度： -25°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.295"，7.50mm 寬）
供應商設備封裝： 16-SOIC W
包裝： 管件
產品目錄頁面： 770 (CN2011-ZH PDF)
AD524
Rev. F | Page 20 of 28
PROGRAMMABLE GAIN
Figure 47 shows the AD524 being used as a software program-
mable gain amplifier. Gain switching can be accomplished with
mechanical switches such as DIP switches or reed relays. It should
be noted that the on resistance of the switch in series with the
internal gain resistor becomes part of the gain equation and has
an effect on gain accuracy.
The AD524 can also be connected for gain in the output stage.
Figure 48 shows an AD711 used as an active attenuator in the
output amplifier’s feedback loop. The active attenuation presents
very low impedance to the feedback resistors, therefore
minimizing the common-mode rejection ratio degradation.
TO –V
AD524
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
20k
404
4.44k
20k
40
PROTECTION
–IN
+IN
(+INPUT)
(–INPUT)
10k
10pF
20k
AD711
AD7590
GND
39.2k
28.7k
316k
1k
A4
A3
A2
WR
–VS
+VS
1F
35V
INPUT
OFFSET
NULL
+VS
OUTPUT
OFFSET
NULL
R2
10k
VOUT
+VS
–VS
VDD
VSS VDD
15
13
11
9
2
14
12
10
34
5
67
18
16
00
50
0-
04
8
+
–
+
–
Figure 48. Programmable Output Gain
2
1
10
6
AD524
DAC A
DB0
256:1
20k
G = 10
G = 100
G = 1000
4.44k
404
40
PROTECTION
20k
DAC B
DB7
AD7528
9
16
11
12
PROTECTION
3
13
RG1
RG2
Vb
+INPUT
(–INPUT)
–INPUT
(+INPUT)
VOUT
CS
WR
1/2
AD712
1/2
AD712
DATA
INPUTS
DAC A/DAC B
+VS
4
14
7
15
16
6
18
5
17
3
2
1
19
20
0050
0-
0
49
Figure 49. Programmable Output Gain Using a DAC
Another method for developing the switching scheme is to
use a DAC. The AD7528 dual DAC, which acts essentially as
a pair of switched resistive attenuators having high analog
linearity and symmetrical bipolar transmission, is ideal in this
application. The multiplying DAC’s advantage is that it can
handle inputs of either polarity or zero without affecting the
programmed gain. The circuit shown uses an AD7528 to set
the gain (DAC A) and to perform a fine adjustment (DAC B).
AUTOZERO CIRCUITS
In many applications, it is necessary to provide very accurate
data in high gain configurations. At room temperature, the
offset effects can be nulled by the use of offset trim potenti-
ometers. Over the operating temperature range, however,
offset nulling becomes a problem. The circuit of Figure 50
shows a CMOS DAC operating in bipolar mode and connected
to the reference terminal to provide software controllable offset
adjustments.
相關PDF資料
PDF描述
RMCF0603JT160R RES 160 OHM 1/10W 5% 0603 SMD
LTC1053CSW#PBF IC OPAMP CHOPR-STBL QUAD 18SOIC
OP484ESZ IC OPAMP GP R-R 4.25MHZ 14SOIC
OP270FZ IC OPAMP GP 5MHZ DUAL PREC 8CDIP
PEC23SABN CONN HEADER .100 SINGL STR 23POS
相關代理商/技術參數
參數描述
AD524ARZ-161 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision Instrumentation Amplifier
AD524ARZ-16-REEL7 功能描述:IC AMP INST 1MHZ PREC LN 16SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數:1 輸出類型:- 轉換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOIC 包裝:帶卷 (TR)
AD524B 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision Instrumentation Amplifier
AD524BD 功能描述:IC AMP INST 1MHZ PREC LN 16CDIP 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:2 輸出類型:- 轉換速率:3.5 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:30pA 電壓 - 輸入偏移:2000µV 電流 - 電源:200µA 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:0°C ~ 70°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
AD524BD/+ 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Instrumentation Amp， Pin-Programmable
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*