参数资料
型号: OP470GSZ
厂商: Analog Devices Inc
文件页数: 6/16页
文件大小: 0K
描述: IC OPAMP GP 6MHZ QUAD LN 16SOIC
标准包装: 47
放大器类型: 通用
电路数: 4
转换速率: 2 V/µs
增益带宽积: 6MHz
电流 - 输入偏压: 25nA
电压 - 输入偏移: 400µV
电流 - 电源: 9mA
电压 - 电源,单路/双路(±): 9 V ~ 36 V,±4.5 V ~ 18 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC W
包装: 管件
产品目录页面: 772 (CN2011-ZH PDF)
REV. B
OP470
–14–
SQUELCH AMPLIFIER
The circuit of Figure 17 is a simple squelch amplifier that uses a
FET switch to cut off the output when the input signal falls
below a preset limit.
The input signal is sampled by a peak detector with a time
constant set by C1 and R6. When the output of the peak detector
(Vp), falls below the threshold voltage, (VTH), set by R8, the
comparator formed by op amp C switches from V– to V+. This
drives the gate of the N-channel FET high, turning it ON, re-
ducing the gain of the inverting amplifier formed by op amp A
to zero.
1/4
OP470E
A
R1
2k
VOUT – –5VIN
R2
10k
2N5434
R5
100k
VIN
1/4
OP470E
B
R3
2k
R4
10k
D1
1N4148
C1
1 F
R6
1M
1/4
OP470E
C
R4
10M
D2
1N4148
R7
10k
+
C2
10 F
V+
R6
10k
= 1 SECOND
Figure 17. Squelch Amplifier
FIVE-BAND LOW-NOISE STEREO GRAPHIC EQUALIZER
The graphic equalizer circuit shown in Figure 18 provides 15 dB
of boost or cut over a 5-band range. Signal-to-noise ratio over a
20 kHz bandwidth is better than 100 dB referred to a 3 V rms
input. Larger inductors can be replaced by active inductors but
this reduces the signal-to-noise ratio.
R1
47k
1/4
OP470E
R13
3.3k
+
R14
100
VOUT
R4
1k
60Hz
R2
3.3k
1/4
OP470E
VIN
C1
0.47 F
C2
6.8 F
TANTALUM
L1
1H
R3
680
+
R4
1k
200Hz
C3
1 F
TANTALUM
L2
1H
R5
680
+
R4
1k
800Hz
C4
0.22 F
TANTALUM
L3
1H
R7
680
+
R4
1k
3kHz
C5
0.047 F
TANTALUM
L4
1H
R9
680
+
R4
1k
10kHz
C6
0.022 F
TANTALUM
L5
1H
R11
680
Figure 18. Five-Band Low Noise Graphic Equalizer
相关PDF资料
PDF描述
26-48-2055 CONN HEADER 5POS .156 VERT GOLD
LTC2052HVCS#PBF IC OPAMP ZERO-DRIFT QUAD 14SOIC
LT1208CS8#PBF IC OP-AMP HI-SPEED DUAL 8SOIC
LT1058SW#PBF IC PREC OP-AMP JFET QUAD 16SOIC
LTC1051CSW#PBF IC OPAMP CHOPR-STBL DUAL 16SOIC
相关代理商/技术参数
参数描述
OP470GSZ-REEL 功能描述:IC OPAMP GP 6MHZ QUAD LN 16SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:J-FET 电路数:2 输出类型:- 转换速率:13 V/µs 增益带宽积:3MHz -3db带宽:- 电流 - 输入偏压:65pA 电压 - 输入偏移:3000µV 电流 - 电源:1.4mA 电流 - 输出 / 通道:- 电压 - 电源,单路/双路(±):7 V ~ 36 V,±3.5 V ~ 18 V 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:8-DIP(0.300",7.62mm) 供应商设备封装:8-PDIP 包装:管件
OP471 制造商:AD 制造商全称:Analog Devices 功能描述:High Speed, Low Noise Quad Operational Amplifier
OP-471 制造商:AD 制造商全称:Analog Devices 功能描述:HIGH SPEED, LOW NOISE QUAD OPERATIONAL AMPLIFIER