參數(shù)資料
型號： LT1970
廠商： Linear Technology Corporation
英文描述： 500mA Power Op Amp with Adjustable Precision Current Limit
中文描述： 500mA的電源運算放大器精密可調(diào)電流限制
文件頁數(shù)： 2/12頁
文件大?。?/td> 233K
代理商： LT1970
2
LT1970
1970f
(Note 1)
Supply Voltage (V
CC
to V
EE
).................................... 36V
Positive High Current Supply (V
+
) .................. V
–
to V
CC
Negative High Current Supply(V
–
) ................... V
EE
to V
+
Amplifier Output (OUT)..................................... V
–
to V
+
Current Sense Pins
(SENSE
+
, SENSE
–
, FILTER).......................... V
–
to V
+
Logic Outputs (ISRC, ISNK, TSD)....... COMMON to V
CC
Input Voltage (–IN, +IN).......... V
EE
– 0.3V to V
EE
+ 36V
Input Current ....................................................... 10mA
Current Control Inputs
(VC
SRC
, VC
SNK
) .............COMMON to COMMON + 7V
Enable Logic Input.............................. COMMON to V
CC
COMMON ..................................................... V
EE
to V
CC
Output Short-Circuit Duration......................... Indefinite
Operating Temperature Range (Note 2).. –40
°
C to 85
°
C
Specified Temperature Range (Note 3)... –40
°
C to 85
°
C
Maximum Junction Temperature......................... 150
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
ORDER PART
NUMBER
LT1970CFE
T
JMAX
= 150
°
C,
θ
JA
= 40
°
C/W (NOTE 6)
UNDERSIDE METAL CONNECTED TO V
EE
The
G
denotes specifications which apply over the full operating
temperature range, otherwise specifications are T
A
= 25
°
C. See Test Circuit for standard test conditions.
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
ELECTRICAL CHARACTERISTICS
FE PACKAGE
20-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
9
10
TOP VIEW
20
19
18
17
16
15
14
13
12
11
V
EE
V
–
OUT
SENSE
+
FILTER
SENSE
–
V
CC
–IN
+IN
V
EE
V
EE
V
+
TSD
ISNK
ISRC
ENABLE
COMMON
VC
SRC
VC
SNK
V
EE
+
–
Consult LTC Marketing for parts specified with wider operating temperature ranges.
SYMBOL
Power Op Amp Characteristics
V
OS
Input Offset Voltage
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
200
600
800
1000
10
100
μ
V
μ
V
μ
V
0
°
C < T
A
< 70
°
C
–40
°
C < T
A
< 85
°
C
G
G
Input Offset Voltage Drift (Note 4)
Input Offset Current
Input Bias Current
Input Noise Voltage
Input Noise Voltage Density
Input Noise Current Density
Input Resistance
G
–10
–100
–600
–4
μ
V/
°
C
I
OS
I
B
V
CM
= 0V
V
CM
= 0V
0.1Hz to 10Hz
1kHz
1kHz
Common Mode
Differential Mode
Pin 8 and Pin 9 to Ground
Typical
Guaranteed by CMRR Test
–12V < V
CM
< 12V
V
EE
= V
–
= –5V, V
CC
= V
+
= 3V to 30V
V
EE
= V
–
= –5V, V
CC
= 30V, V
+
= 2.5V to 30V
V
EE
= V
–
= –3V to –30V, V
CC
= V
+
= 5V
V
EE
= –30V, V
–
= –2.5V to –30V, V
CC
= V
+
= 5V
G
nA
nA
G
–160
3
15
3
500
100
6
μ
V
P-P
nV/
√
Hz
pA/
√
Hz
e
n
i
n
R
IN
k
k
pF
C
IN
V
CM
Input Capacitance
Input Voltage Range
–14.5
–12.0
92
90
110
90
110
13.6
12.0
V
V
G
CMRR
PSRR
Common Mode Rejection Ratio
Power Supply Rejection Ratio
G
105
100
130
100
130
dB
dB
dB
dB
dB
G
G
G
G
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1970_1 制造商:LINER 制造商全稱:Linear Technology 功能描述:500mA Power Op Amp with Adjustable Precision Current Limit
LT1970A 制造商:LINER 制造商全稱:Linear Technology 功能描述:500mA Power Op Amp with Adjustable Precision Current Limit
LT1970ACFE#PBF 功能描述:IC OP AMP 500MA ADJ CURR 20TSSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:3.5 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:30pA 電壓 - 輸入偏移:2000µV 電流 - 電源:200µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設(shè)備封裝:8-PDIP 包裝:管件
LT1970ACFE#TRPBF 功能描述:IC OP AMP 500MA ADJ CURR 20TSSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:3.5 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:30pA 電壓 - 輸入偏移:2000µV 電流 - 電源:200µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設(shè)備封裝:8-PDIP 包裝:管件
LT1970AIFE#PBF 功能描述:IC OP AMP 500MA ADJ CURR 20TSSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:3.5 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:30pA 電壓 - 輸入偏移:2000µV 電流 - 電源:200µA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設(shè)備封裝:8-PDIP 包裝:管件
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