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參數(shù)資料
| 型號： | 5962-88565013C |
| 廠商： | PRECISION MONOLITHICS INC |
| 元件分類： | 運算放大器 |
| 英文描述： | QUAD OP-AMP, 600 uV OFFSET-MAX, 6 MHz BAND WIDTH, CQCC28 |
| 封裝： | CERAMIC, LCC-28 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大小： | 680K |
| 代理商： | 5962-88565013C |
REV. A
OP470
–13–
NOISE
DENSITY
–
0.58nV/
Hz/DIV
REFERRED
T
O
INPUT
10
0%
100
90
Figure 14. Noise Density of Low Noise Amplifier, G = 1000
DIGITAL PANNING CONTROL
Figure 15 uses a DAC-8408, quad 8-bit DAC to pan a signal
between two channels. The complementary DAC current out-
puts two of the DAC-8408’s four DACs drive current-to-voltage
converters built from a single quad OP470. The amplifiers have
complementary outputs with the amplitudes dependent upon
the digital code applied to the DAC. Figure 16 shows the comple-
mentary outputs for a 1 kHz input signal and digital ramp applied
to the DAC data inputs. Distortion of the digital panning con-
trol is less than 0.01%.
10
0%
100
90
1ms
5V
A OUT
Figure 16. Digital Panning Control Output
Gain error due to the mismatching between the internal DAC
ladder resistors and the current-to-voltage feedback resistors is
eliminated by using feedback resistors internal to the DAC. Of
the four DACs available in the DAC-8408, only two DACs, A
and C, actually pass a signal. DACs B and D are used to pro-
vide the additional feedback resistors needed in the circuit. If
the VREFB and VREFD inputs remain unconnected, the
current-to-voltage converters using RFBB and RFBD are unaf-
fected by digital data reaching DACs B and D.
1/4
OP470E
+15V
–15V
1/4
OP470E
A OUT
20pF
A OUT
20pF
IOUT1A
DAC A
IOUT1B
DAC B
RFBA
IOUT2A/2B
RFBB
RFBC
1/4
OP470E
B OUT
20pF
DAC C
IOUT1C
1/4
OP470E
B OUT
20pF
IOUT1D
DAC D
RFBD
IOUT2C/2D
VREFA
DAC SELECT
1k
5V
DGND
DS2
DS1
R/W
A/B
VREFC
VDD
DAC-8408GP
SIDE A IN
SIDE B IN
DAC DATA BUS
PINS 9 (LSB) – 16 (MSB)
5V
Figure 15. Digital Panning Control Circuit
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| 5962-88565013B | QUAD OP-AMP, 600 uV OFFSET-MAX, 6 MHz BAND WIDTH, CQCC28 |
| 5962-88565013C | QUAD OP-AMP, 600 uV OFFSET-MAX, 6 MHz BAND WIDTH, CQCC28 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 5962-8856501CA | 功能描述:儀表放大器 QUAD LOW-NOISE OP AMP IC RoHS:否 制造商:Texas Instruments 通道數(shù)量: 輸入補償電壓:150 V 可用增益調整: 最大輸入電阻:10 kOhms 共模抑制比（最小值）:88 dB 工作電源電壓:2.7 V to 36 V 電源電流:200 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:MSOP-8 封裝:Bulk |
| 5962-8856501V2A | 制造商:Analog Devices 功能描述:OP AMP, QUAD, LOW-NOISE - Rail/Tube |
| 5962-8856501VCA | 制造商:Analog Devices 功能描述:OP AMP QUAD GP 18V 14CDIP - Rail/Tube |
| 5962-88565022A | 功能描述:高速運算放大器 QUAD HI-SPEED LO-NOISE IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 產品: |
| 5962-88565023A | 功能描述:高速運算放大器 QUAD HI-SPEED LO-NOISE IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 產品: |
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