參數(shù)資料
型號(hào)： LT1991CDD
廠商： Linear Integrated Systems
英文描述： nullPrecision, 100UA Gain Selectable Amplifier
中文描述： nullPrecision，100uA的可選增益放大器
文件頁(yè)數(shù)： 4/24頁(yè)
文件大?。?/td> 303K
代理商： LT1991CDD
LT1991
4
1991fb
The
●
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. Difference amplifier configuration, V
S
= 5V, 0V or
±
15V;
V
CM
= V
REF
= half supply, unless otherwise noted.
SYMBOL
V
OUT
PARAMETER
Output Voltage Swing (to Either Rail)
CONDITIONS
No Load
V
S
= 5V, 0V
V
S
= 5V, 0V
V
S
=
±
15V
1mA Load
V
S
= 5V, 0V
V
S
= 5V, 0V
V
S
=
±
15V
Drive Output Positive;
Short Output to Ground
Drive Output Negative;
Short Output to V
S
or Midsupply
G = 1
G = 3
G = 9
f = 10kHz
G = 1; 0.1V Step; 10% to 90%
G = 9; 0.1V Step; 10% to 90%
G = 1; V
S
= 5V, 0V; 2V Step
G = 1; V
S
= 5V, 0V; –2V Step
G = 1; V
S
=
±
15V, 10V Step
G = 1; V
S
=
±
15V, –10V Step
V
S
= 5V, 0V; V
OUT
= 1V to 4V
V
S
=
±
15V; V
OUT
=
±
10V
V
S
= 5V, 0V
MIN
TYP
MAX
UNITS
40
55
65
110
mV
mV
mV
●
●
150
225
275
300
mV
mV
mV
mA
mA
mA
mA
kHz
kHz
kHz
kHz
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
V/
μ
s
V/
μ
s
μ
A
μ
A
μ
A
μ
A
●
●
I
SC
Output Short-Circuit Current (Sourcing)
8
4
8
4
12
●
Output Short-Circuit Current (Sinking)
21
●
BW
–3dB Bandwidth
110
78
40
560
3
8
42
48
114
74
0.12
0.12
100
GBWP
t
r
, t
f
Op Amp Gain Bandwidth Product
Rise Time, Fall Time
t
s
Settling Time to 0.01%
SR
Slew Rate
●
●
0.06
0.08
I
S
Supply Current
110
150
160
210
●
V
S
=
±
15V
130
●
Note 1:
Absolute Maximum Ratings are those beyond which the life of the
device may be impaired.
Note 2:
The P3/M3 and P9/M9 inputs should not be taken more than 0.2V
beyond the supply rails. The P1/M1 inputs can withstand
±
60V if P9/M9
are grounded and V
S
=
±
15V (see Applications Information section about
“High Voltage CM Difference Amplifiers”).
Note 3:
A heat sink may be required to keep the junction temperature
below absolute maximum ratings.
Note 4:
Both the LT1991C and LT1991I are guaranteed functional over the
–40
°
C to 85
°
C temperature range.
Note 5:
The LT1991C is guaranteed to meet the specified performance
from 0
°
C to 70
°
C and is designed, characterized and expected to meet
specified performance from –40
°
C to 85
°
C but is not tested or QA
sampled at these temperatures. The LT1991I is guaranteed to meet
specified performance from –40
°
C to 85
°
C.
Note 6:
This parameter is not 100% tested.
Note 7:
Input voltage range is guaranteed by the CMRR test at V
S
=
±
15V.
For the other voltages, this parameter is guaranteed by design and through
correlation with the
±
15V test. See the Applications Information section to
determine the valid input voltage range under various operating
conditions.
Note 8:
Offset voltage, offset voltage drift and PSRR are defined as
referred to the internal op amp. You can calculate output offset as follows.
In the case of balanced source resistance, V
OS,OUT
= V
OS
NOISEGAIN +
I
OS
450k + I
B
450k (1– R
P
/R
N
) where R
P
and R
N
are the total
resistance at the op amp positive and negative terminal respectively.
Note 9:
Applies to resistors that are connected to the inverting inputs.
Resistor matching is not tested directly, but is guaranteed by the gain
error test.
Note 10:
Input impedence is tested by a combination of direct
measurements and correlation to the CMRR and gain error tests.
ELECTRICAL CHARACTERISTICS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1991CDD#PBF 功能描述:IC AMP PREC GAIN SELECT 10-DFN RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類(lèi)型:電壓反饋 電路數(shù):4 輸出類(lèi)型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:帶卷 (TR)
LT1991CDD#TRPBF 功能描述:IC AMP PREC GAIN SELECT 10-DFN RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類(lèi)型:電壓反饋 電路數(shù):4 輸出類(lèi)型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:帶卷 (TR)
LT1991CDD-PBF 制造商:LINER 制造商全稱(chēng):Linear Technology 功能描述:Precision, 100μA Gain Selectable Amplifi er
LT1991CMS 功能描述:IC AMP PREC GAIN SELECT 10MSOP RoHS:否 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類(lèi)型:電壓反饋 電路數(shù):4 輸出類(lèi)型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:帶卷 (TR)
LT1991CMS#PBF 功能描述:IC AMP PREC GAIN SELECT 10-MSOP RoHS:是 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類(lèi)型:電壓反饋 電路數(shù):4 輸出類(lèi)型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:帶卷 (TR)
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