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參數(shù)資料
| 型號： | LT1213CS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | 8-input positive-NAND gates 14-SOIC 0 to 70 |
| 中文描述： | DUAL OP-AMP, 650 uV OFFSET-MAX, 28 MHz BAND WIDTH, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 14/16頁 |
| 文件大?。?/td> | 394K |
| 代理商： | LT1213CS8 |
14
LT1213/LT1214
U
S
A
Inputs
Typically at room temperature, the inputs of the LT1213/
LT1214 can common mode 400mV below ground (V
–
)
and to within 1.2V of the positive supply with the amplifier
still functional. However, the input bias current and offset
voltage will shift as shown in the characteristic curves. For
full precision performance, the common-mode range
should be limited between ground (V
–
) and 1.5V below the
positive supply.
When either of the inputs is taken below ground (V
–
) by
more than about 700mV, that input current will increase
dramatically. The current is limited by internal 100
resistors between the input pins and diodes to each
supply. The output will remain low (no phase reversal) for
inputs 1.3V below ground (V
–
). If the output does not have
to sink current, such as in a single supply system with a 1k
load to ground, there is no phase reversal for inputs up to
8V below ground.
There are no clamps across the inputs of the LT1213/
LT1214 and therefore each input can be forced to any
voltage between the supplies. The input current will re-
main constant at about 100nA over most of this range.
When an input gets closer than 1.5V to the positive supply,
that input current will gradually decrease to zero until the
input goes above the supply, then it will increase due to the
previously mentioned diodes. If the inverting input is held
more positive than the noninverting input by 200mV or
more, while at the same time the noninverting input is
within 300mV of ground (V
–
), then the supply current will
increase by 2mA and the noninverting input current will
increase to about 10
μ
A. This should be kept in mind in
comparator applications where the inverting input stays
above ground (V
–
) and the noninverting input is at or near
ground (V
–
).
O
PPLICATI
IU
U
positive rail, is about 100
as the output starts to source
current; this resistance drops to about 20
as the current
increases. Therefore when the output sources 1mA, the
output will swing to within 0.7V of the positive supply.
While sourcing 30mA, it is within 1.25V of the positive
supply.
The output of the LT1213/LT1214 will swing to within 4mV
of the negative supply while sinking zero current. Thus, in
a typical single supply application with the load going to
ground, the output will go to within 4mV of ground. The
open-loop output resistance when the output is driven
hard into the negative rail is about 29
at low currents and
reduces to about 23
at high currents. Therefore when
the output sinks 1mA, the output is about 33mV above the
negative supply and while sinking 30mA, it is about
690mV above it.
The output of the LT1213/LT1214 has reverse-biased
diodes to each supply. If the output is forced beyond either
supply, unlimited currents will flow. If the current is
transient and limited to several hundred mA, no damage
will occur.
Feedback Components
Because the input currents of the LT1213/LT1214 are less
than 200nA, it is possible to use high value feedback
resistors to set the gain. However, care must be taken to
insure that the pole that is formed by the feedback resis-
tors and the input capacitance does not degrade the
stability of the amplifier. For example, if a single supply,
noninverting gain of two is set with two 10k resistors, the
LT1213/LT1214 will probably oscillate. This is because
the amplifier goes open-loop at 6MHz (6dB of gain) and
has 45
°
of phase margin. The feedback resistors and the
10pF input capacitance generate a pole at 3MHz that
introduces 63
°
of phase shift at 6MHz! The solution is
simple, lower the values of the resistors or add a feedback
capacitor of 10pF or more.
Output
The output of the LT1213/LT1214 will swing to within
0.61V of the positive supply with no load. The open-loop
output resistance, when the output is driven hard into the
相關PDF資料 |
PDF描述 |
|---|---|
| LT1213M | 8-input positive-NAND gates 14-SOIC 0 to 70 |
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| LT1214CN | 8-input positive-NAND gates 14-PDIP 0 to 70 |
| LT1214CS | 8-input positive-NAND gates 14-SO 0 to 70 |
| LT1213MJ8 | 28MHz, 12V/us, Single Supply Dual and Quad Precision Op Amps |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LT1213CS8#PBF | 功能描述:IC PREC OP-AMP 28MHZ DUAL 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| LT1213CS8#PBF | 制造商:Linear Technology 功能描述:IC OP AMP 28MHZ DUAL 8SOIC 制造商:Linear Technology 功能描述:IC, OP AMP, 28MHZ, DUAL, 8SOIC |
| LT1213CS8#TR | 功能描述:IC OPAMP DUAL PREC 28MHZ 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:100 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:- 轉換速率:0.2 V/µs 增益帶寬積:- -3db帶寬:- 電流 - 輸入偏壓:100pA 電壓 - 輸入偏移:30µV 電流 - 電源:380µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):±2 V ~ 18 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SO 包裝:管件 |
| LT1213CS8#TRPBF | 功能描述:IC PREC OP-AMP 28MHZ DUAL 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:14-TSSOP 包裝:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| LT1213CS8PBF | 制造商:Linear Technology 功能描述:Dual precision op amp,LT1213CS8 SO8 |
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