RL IRF520
參數(shù)資料
型號: OP77FZ
廠商: Analog Devices Inc
文件頁數(shù): 4/16頁
文件大小: 0K
描述: IC OPAMP GP 600KHZ PREC 8CDIP
產(chǎn)品變化通告: OP77 Vos Trims Redesign Change 03/Mar/2011
標(biāo)準(zhǔn)包裝: 48
放大器類型: 通用
電路數(shù): 1
轉(zhuǎn)換速率: 0.3 V/µs
增益帶寬積: 600kHz
電流 - 輸入偏壓: 1.2nA
電壓 - 輸入偏移: 20µV
電壓 - 電源,單路/雙路(±): ±3 V ~ 18 V
工作溫度: -25°C ~ 85°C
安裝類型: 通孔
封裝/外殼: 8-CDIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 8-CERDIP
包裝: 管件
產(chǎn)品目錄頁面: 774 (CN2011-ZH PDF)
OP77
Rev. E | Page 12 of 16
PRECISION CURRENT SINKS
0
03
20
-0
32
V+
200
R1
1
1W
RL
IRF520
IO
VIN
OP77
IO =
VIN > 0V
FULL SCALE OF 1V.
IO = 1A/V
VIN
R1
Figure 31. Positive Current Sink
00
32
0
-03
3
200
RL
R1
IRF520
IO
VIN
V–
OP77
IO =
VIN > 0V
VIN
R1
Figure 32. Positive Current Source
The simple high-current sinks, shown Figure 31 and Figure 32,
require the load to float between the power supply and the sink.
In these circuits, the high gain, high CMRR, and low TCVOS of
the OP77 ensure high accuracy.
The high gain and low TCVOS ensure accurate operation with
inputs from microvolts to volts. In Figure 33, the signal always
appears as a common-mode signal to the op amps. The
OP77EZ CMRR of 1 μV/V ensures errors of less than 2 ppm.
00
32
0-
0
35
+15V
–15V
1k
1k
R3
2k
C1
30pF
D1
1N4148
7
6
4
2
3
0.1F
2N4393
VIN
+15V
VOUT
0 < VOUT < 10V
D2
–15V
7
6
4
2
3
0.1F
OP77E
Figure 33. Precision Absolute Value Amplifier
00
32
0-
0
36
100
VOUT
15V
0.1F
OP77
100
100
10F
6
4
REF-01
VO
2
6
4
REF-01
VO
2
6
4
REF-01
VO
2
+
Figure 34. Low Noise Precision Reference
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