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| 型号： | LT1467LCS#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | IC OP-AMP R-R IN/OUT QUAD 16SOIC |
| 标准包装： | 50 |
| 放大器类型： | 通用 |
| 电路数： | 4 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.04 V/µs |
| 增益带宽积： | 120kHz |
| 电流 - 输入偏压： | 6pA |
| 电压 - 输入偏移： | 120µV |
| 电流 - 电源： | 70µA |
| 电流 - 输出 / 通道： | 18mA |
| 电压 - 电源，单路/双路(±)： | 2 V ~ 10 V，±1 V ~ 5 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SO |
| 包装： | 管件 |
8
LT1466L/LT1467L
Figure 1. Simplified Schematic
TYPICAL PERFORMANCE CHARACTERISTICS
UW
Q3
D1
CC
Q4
Q6
1466L/67L F01
Q1
Q8
Q12
Q13
I1
VBIAS
Q2
Q5
–IN
+IN
V +
V –
BUFFER AND
OUTPUT BIAS
C1
C2
OUT
Q7
Q10
Q11
Q9
APPLICATIONS INFORMATION
WU
U
Rail-to-Rail Operation
The LT1466L/LT1467L differ from conventional op amps
in the design of both the input and output stages. Figure 1
shows a simplified schematic. The input stage consists of
two differential amplifiers, a PNP stage Q1-Q2 and an NPN
stage Q3-Q4, that are active over different portions of the
input common mode range. Each input stage is trimmed
for offset voltage. A complementary output configuration
(Q12-Q13) is employed to create an output stage with rail-
to-rail swing. The devices are fabricated on Linear
Technology’s proprietary complementary bipolar process,
which ensures very similar DC and AC characteristics for
the output devices Q12 and Q13.
First, looking at the input stage, Q5 switches the current
from current source I1 between the two input stages.
When the input common mode voltage VCM is near the
negative supply, Q5 is reverse biased, so the current from
I1 becomes the tail current for the PNP differential pair
Q1-Q2. At the other extreme, when VCM is near the positive
supply, the PNPs Q1-Q2 are biased off. The current from
Large-Signal Response
VS = ±5V
VS = ±5V
AV = 1
1466L/67L G23
FREQUENCY (Hz)
100
CHANNEL
SEPARATION
(dB)
130
120
110
100
90
80
70
60
50
40
30
1k
10k
100k
VS = ±15V
1466L/67L G24
Channel Separation vs Frequency
1466L/67L G22
VS = ±2.5V
AV = 1
Small-Signal Response
VS = ±2.5V
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相关代理商/技术参数 |
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|---|---|
| LT1468 | 制造商:LINER 制造商全称:Linear Technology 功能描述:90MHz, 22V/μs 16-Bit Accurate Operational Amplifi er |
| LT1468_09 | 制造商:LINER 制造商全称:Linear Technology 功能描述:16-Bit Accurate Operational Amplifi er |
| LT1468_1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:90MHz, 22V/μs 16-Bit Accurate Operational Amplifi er |
| LT1468-2 | 制造商:LINER 制造商全称:Linear Technology 功能描述:200MHz, 30V/μs 16-Bit Accurate AV ≥ 2 Op Amp |
| LT1468-2_09 | 制造商:LINER 制造商全称:Linear Technology 功能描述:16-Bit DAC Current-to-Voltage Converter |
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