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參數(shù)資料
| 型號(hào)： | LT1633 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 45MHz, 45V/us, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps |
| 中文描述： | 45MHz，45V/us，雙/四軌至軌輸入和輸出精密運(yùn)算放大器 |
| 文件頁(yè)數(shù)： | 12/16頁(yè) |
| 文件大?。?/td> | 365K |
| 代理商： | LT1633 |
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12
LT1632/LT1633
APPLICATIO
S I
N
FOR
ATIO
U
W
U
V
+
amplifiers operate over a very wide supply range, it is
possible to exceed the maximum junction temperature of
150
°
C in plastic packages under certain conditions. Junc-
tion temperature T
J
is calculated from the ambient tem-
perature T
A
and power dissipation P
D
as follows:
LT1632CN8: T
J
= T
A
+ (P
D
130
°
C/W)
LT1632CS8: T
J
= T
A
+ (P
D
190
°
C/W)
LT1633CS: T
J
= T
A
+ (P
D
150
°
C/W)
The power dissipation in the IC is the function of the supply
voltage, output voltage and load resistance. For a given
supply voltage, the worst-case power dissipation P
DMAX
occurs at the maximum supply current and when the
output voltage is at half of either supply voltage (or the
maximum swing if less than 1/2 supply voltage). There-
fore P
DMAX
is given by:
P
DMAX
= (V
S
I
SMAX
) + (V
S
/2)
2
/R
L
To ensure that the LT1632/LT1633 are used properly,
calculate the worst-case power dissipation, use the ther-
mal resistance for a chosen package and its maximum
junction temperature to derive the maximum ambient
temperature.
Example: An LT1632CS8 operating on
±
15V supplies and
driving a 500
, the worst-case power dissipation per
amplifier is given by:
P
DMAX
= (30V 5.6mA) + (15V – 7.5V)(7.5/500)
= 0.168 + 0.113 = 0.281W
If both amplifiers are loaded simultaneously, then the total
power dissipation is 0.562W. The SO-8 package has a
junction-to-ambient thermal resistance of 190
°
C/W in still
air. Therefore, the maximum ambient temperature that the
part is allowed to operate is:
T
A
= T
J
– (P
DMAX
190
°
C/W)
T
A
= 150
°
C – (0.562W 190
°
C/W) = 43
°
C
For a higher operating temperature, lower the supply
voltage or use the DIP package part.
Input Offset Voltage
The offset voltage changes depending upon which input
stage is active, and the maximum offset voltages are
trimmed to less than 1350
μ
V. To maintain the precision
characteristics of the amplifier, the change of V
OS
over the
entire input common mode range (CMRR) is guaranteed
to be less than 1500
μ
V on a single 5V supply.
Input Bias Current
The input bias current polarity depends on the input
common mode voltage. When the PNP differential pair is
active, the input bias currents flow out of the input pins.
Q4
Q6
V
BIAS
D7
D5
+IN
D2
Q3
Q7
Q1
I
1
I
2
+
+
Q9
Q2
D4
D1
D3
–IN
OUT
V
–
D8
D6
Q5
Q12
Q8
Q14
1632/33 F01
C1
R1
R6
225
R7
225
R3
V
–
C
C
R4
R5
C2
R2
Q11
Q13
Q15
BUFFER
AND
OUTPUT BIAS
Figure 1. LT1632 Simplified Schematic Diagram
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT1633CS | 45MHz, 45V/us, Dual/Quad Rail-to-Rail Input and Output Precision Op Amps |
| LT1671 | 60ns, Low Power, Single Supply, Comparator(60ns,低功耗，單電源比較器) |
| LT1672 | 2MMax, AV=>5 SINGLE, DUAL AND QUAD OVER-THE-TOP PRECISION RAIL-TO-RAIL INPUT AND OUTPUT OP AMPS |
| LT1673 | 2MMax, AV=>5 SINGLE, DUAL AND QUAD OVER-THE-TOP PRECISION RAIL-TO-RAIL INPUT AND OUTPUT OP AMPS |
| LT1674 | 2MMax, AV=>5 SINGLE, DUAL AND QUAD OVER-THE-TOP PRECISION RAIL-TO-RAIL INPUT AND OUTPUT OP AMPS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1633CS | 功能描述:IC OPAMP R-R IN/OUT QUAD 14SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:150 系列:- 放大器類型:音頻 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件 |
| LT1633CS#PBF | 功能描述:IC OPAMP R-R IN/OUT QUAD 14SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)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(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| LT1633CS#PBF | 制造商:Linear Technology 功能描述:OP-AMP, 45MHZ, 45V/ us, SOIC-14 |
| LT1633CS#TR | 功能描述:IC OPAMP PREC RR I/O QUAD 14SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:150 系列:- 放大器類型:音頻 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件 |
| LT1633CS#TRPBF | 功能描述:IC OPAMP R-R IN/OUT QUAD 14SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:150 系列:- 放大器類型:音頻 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件 |
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