參數(shù)資料
型號(hào): OP183GSZ-REEL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 5/16頁(yè)
文件大?。?/td> 0K
描述: IC OPAMP GP 5MHZ LN 50MA 8SOIC
產(chǎn)品變化通告: Product Discontinuance 27/Oct/2011
標(biāo)準(zhǔn)包裝: 2,500
放大器類(lèi)型: 通用
電路數(shù): 1
轉(zhuǎn)換速率: 15 V/µs
增益帶寬積: 5MHz
電流 - 輸入偏壓: 300nA
電壓 - 輸入偏移: 10µV
電流 - 電源: 1.2mA
電流 - 輸出 / 通道: 50mA
電壓 - 電源,單路/雙路(±): 3 V ~ 36 V,±1.5 V ~ 18 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SO
包裝: 帶卷 (TR)
OP183
Rev. D | Page 13 of 16
APPLICATIONS
OFFSET ADJUST
Figure 33 shows how the offset voltage of the OP183 can be
adjusted by connecting a potentiometer between Pins 1 and 5,
and connecting the wiper to VEE. The recommended value for
the potentiometer is 10 kΩ. This will give an adjustment range
of approximately ±1 mV. If a larger adjustment span is desired, a
50 kΩ potentiometer will yield a range of ±2.5 mV.
1
4
5
2
6
3
OP183
VEE
VCC
7
VOS
00292-033
Figure 33. OP183 Offset Adjust
PHASE REVERSAL
The OP183 is protected against phase reversal as long as both of
the inputs are within the range of the positive supply and the
negative supply 0.6 V. If there is a possibility of either input
going beyond these limits, however, the inputs should be
protected with a series resistor to limit input current to 2 mA.
DIRECT ACCESS ARRANGEMENT
The OP183 can be used in a single supply direct access
arrangement (DAA) as shown in Figure 34. This figure shows a
portion of a typical DAA capable of operating from a single 5 V
supply; with minor modifications it should also work on 3 V
supplies. Amplifiers A2 and A3 are configured so that the
transmit signal TxA is inverted by A2 and not inverted by A3.
This arrangement drives the transformer differentially so that
the drive to the transformer is effectively doubled over a single
amplifier arrangement. This application takes advantage of the
ability of the OP183 to drive capacitive loads and to save power
in single-supply applications.
OP183
0.0047
μF
3.3k
Ω
22.1k
Ω
750pF 20kΩ
20k
Ω
20k
Ω
475
Ω
20k
Ω
0.1
μF
37.4k
Ω
300pF
0.33
μF
0.1
μF
20k
Ω
A3
A2
A1
RxA
TxA
2.5V
00292-034
REF
Figure 34. Direct Access Arrangement
5 V ONLY STEREO DAC FOR MULTIMEDIA
The low noise and single-supply capability of the OP183 are
ideally suited for stereo DAC audio reproduction or sound
synthesis applications, such as multimedia systems. Figure 35
shows an 18-bit stereo DAC output setup that is powered from a
single 5 V supply. The low noise preserves the 18-bit dynamic
range of the AD1868.
8
4
2
1
3
OP183
+–
220
μF
47k
Ω
9.76k
Ω
100pF
7.68k
Ω
LEFT
CHANNEL
OUTPUT
330pF
7.68k
Ω
5
7
6
OP183
+–
220
μF
47k
Ω
9.76k
Ω
100pF
7.68k
Ω
RIGHT
CHANNEL
OUTPUT
330pF
7.68k
Ω
VL
1
LL
2
DL
3
CK
4
VBL
16
VOL
15
AGND
14
VOR
13
DR
5
VS
12
LR
6
11
DGND
7
10
VBR
8
9
VREF
16-BIT
DAC
18-BIT
SERIAL
REG.
VREF
16-BIT
DAC
18-BIT
SERIAL
REG.
AD1868
00292-
035
Figure 35. 5 V Only 18-Bit Stereo DAC
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