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參數(shù)資料
型號(hào): LT1999HS8-50#TRPBF
廠商: Linear Technology
文件頁數(shù): 20/24頁
文件大小: 0K
描述: IC AMP CURR SENSE HV 8-SOIC
標(biāo)準(zhǔn)包裝: 2,500
放大器類型: 電流檢測(cè)
電路數(shù): 1
輸出類型: 帶緩沖
轉(zhuǎn)換速率: 3 V/µs
-3db帶寬: 1.2MHz
電流 - 輸入偏壓: 137.5µA
電壓 - 輸入偏移: 500µV
電流 - 電源: 5.8mA
電流 - 輸出 / 通道: 40mA
電壓 - 電源,單路/雙路(±): 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SO
包裝: 帶卷 (TR)
LT1999-10/LT1999-20/
LT1999-50
5
1999fb
elecTrical characTerisTics The
l
denotes the specifications which apply over the full operating
temperature range, –55°C < TA < 150°C for MP-grade parts, otherwise specifications are at TA = 25°C. V+ = 5V, GND = 0V, VCM = 12V,
VREF = floating, VSHDN = floating, unless otherwise specified. See Figure 2.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VSENSE
Full-Scale Input Sense Voltage (Note 7)
VSENSE = V+IN – V–IN
LT1999-10
LT1999-20
LT1999-50
l
–0.35
–0.2
–0.08
0.35
0.2
0.08
V
VCM
CM Input Voltage Range
l
–5
80
V
RIN(DIFF)
Differential Input Impedance
ΔVINDIFF = ±2V/GAIN
l
6.4
8
9.6
RINCM
CM Input Impedance
ΔVCM = 5.5V to 80V
ΔVCM = –5V to 4.5V
l
5
3.6
20
4.8
6
VOSI
Input Referred Voltage Offset
l
–750
–2000
±500
750
2000
μV
ΔVOSI/ΔT Input Referred Voltage Offset Drift
8
μV/°C
AV
Gain
LT1999-10
LT1999-20
LT1999-50
l
9.95
19.9
48.75
10
20
50
10.05
20.1
50.25
V/V
AV Error
Gain Error
ΔVOUT = ±2V
l
–0.5
±0.2
0.5
%
IB
Input Bias Current
I(+IN) = I(–IN)
(Note 8)
VCM > 5.5V
VCM = –5V
VSHDN = 0.5V, 0V < VCM < 80V
l
100
–2.35
137.5
–1.95
0.001
180
–1.5
10
μA
mA
μA
IOS
Input Offset Current
IOS = I(+IN) – I(–IN)
(Note 8)
VCM > 5.5V
VCM = –5V
VSHDN = 0.5V, 0V < VCM < 80V
l
–1
–10
1
10
μA
PSRR
Supply Rejection Ratio
V+ = 4.5V to 5.5V
l
68
77
dB
CMRR
Sense Input Common Mode Rejection
VCM = –5V to 80V
VCM = –5V to 5.5V
VCM = 12V, 7VP-P, f = 100kHz,
VCM = 0V, 7VP-P, f = 100kHz
l
96
75
80
105
120
90
100
dB
en
Differential Input Referred Noise Voltage Density
f= 10kHz
f = 0.1Hz to 10Hz
97
8
nV/√Hz
μVP-P
REFRR
REF Pin Rejection, V+ = 5.5V
ΔVREF = 2.75V
ΔVREF = 3.25V
LT1999-10
LT1999-20
LT1999-50
l
62
70
dB
RREF
REF Pin Input Impedance
VSHDN = 0.5V
l
60
0.15
80
0.4
100
0.65
VREF
Open Circuit Voltage
VSHDN = 0.5V
l
2.45
0.25
2.5
2.55
2.75
V
VREFR
REF Pin Input Range (Note 9)
LT1999-10
LT1999-20
LT1999-50
l
1.5
1.125
V+ – 1.25
V+ – 1.125
V
ISHDN
Pin Pull-Up Current
V+ = 5.5V, VSHDN = 0V
l
–6
–2
μA
VIH
SHDN Pin Input High
l
V+ – 0.5
V
VIL
SHDN Pin Input Low
l
0.5
V
f3dB
Small Signal Bandwidth
LT1999-10
LT1999-20
LT1999-50
2
1.2
MHz
SR
Slew Rate
3
V/μs
tS
Settling Time Due to Input Step, ΔVOUT = ±2V
0.5% Settling
2.5
μs
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