VS = ±5 V to ±15 V, V
參數(shù)資料
型號(hào): AD8279BRZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 18/24頁(yè)
文件大?。?/td> 0K
描述: IC AMP DIFF LP 14SOIC
產(chǎn)品培訓(xùn)模塊: Top Five Instrumentation Amplifier Problems
標(biāo)準(zhǔn)包裝: 56
放大器類型: 差分
電路數(shù): 2
輸出類型: 滿擺幅
轉(zhuǎn)換速率: 1.4 V/µs
增益帶寬積: 1MHz
電壓 - 輸入偏移: 50µV
電流 - 電源: 300µA
電流 - 輸出 / 通道: 15mA
電壓 - 電源,單路/雙路(±): 2 V ~ 36 V,±2 V ~ 18 V
工作溫度: -40°C ~ 85°C
安裝類型: 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: 管件
產(chǎn)品目錄頁(yè)面: 765 (CN2011-ZH PDF)
AD8278/AD8279
Rev. C | Page 3 of 24
SPECIFICATIONS
VS = ±5 V to ±15 V, VREF = 0 V, TA = 25°C, RL = 10 kΩ connected to ground, G = difference amplifier configuration, unless
otherwise noted.
Table 2.
G =
Grade B
Grade A
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
System Offset1
50
100
50
250
μV
Over Temperature
TA = 40°C to +85°C
100
250
μV
vs. Power Supply
VS = ±5 V to ±18 V
2.5
5
μV/V
Average Temperature
Coefficient
TA = 40°C to +85°C
0.3
1
2
5
μV/°C
Common-Mode Rejection
Ratio (RTI)
VS = ±15 V, VCM = ±27 V,
RS = 0 Ω
80
74
dB
Input Voltage Range2
3 (VS + 0.1)
+3 (VS 1.5)
3 (VS + 0.1)
+3 (VS 1.5)
V
Impedance3
Differential
120
Common Mode
30
DYNAMIC PERFORMANCE
Bandwidth
1
MHz
Slew Rate
1.1
1.4
1.1
1.4
V/μs
Channel Separation
f = 1 kHz
130
dB
Settling Time to 0.01%
10 V step on output,
CL = 100 pF
9
μs
Settling Time to 0.001%
10
μs
GAIN
Gain Error
0.005
0.02
0.01
0.05
%
Gain Drift
TA = 40°C to +85°C
1
5
ppm/°C
Gain Nonlinearity
VOUT = 20 V p-p
7
12
ppm
OUTPUT CHARACTERISTICS
Output Voltage Swing4
VS = ±15 V, RL = 10 kΩ
TA = 40°C to +85°C
VS + 0.2
+VS 0.2
VS + 0.2
+VS 0.2
V
Short-Circuit Current Limit
±15
mA
Capacitive Load Drive
200
pF
NOISE5
Output Voltage Noise
f = 0.1 Hz to 10 Hz
1.4
μV p-p
f = 1 kHz
47
50
47
50
nV/√Hz
POWER SUPPLY6
AD8278 Supply Current
200
μA
Over Temperature
TA = 40°C to +85°C
250
μA
AD8279 Supply Current
300
350
300
350
μA
Over Temperature
TA = 40°C to +85°C
400
μA
Operating Voltage Range7
±2
±18
±2
±18
V
TEMPERATURE RANGE
Operating Range
40
+125
40
+125
°C
1 Includes input bias and offset current errors, RTO (referred to output).
2 The input voltage range may also be limited by absolute maximum input voltage or by the output swing. See the
for details.
3 Internal resistors are trimmed to be ratio matched and have ±20% absolute accuracy.
4 Output voltage swing varies with supply voltage and temperature. See Figur
for details.
5 Includes amplifier voltage and current noise, as well as noise from internal resistors.
6 Supply current varies with supply voltage and temperature. See Figure
for details.
7 Unbalanced dual supplies can be used, such as VS = 0.5 V and +VS = +2 V. The positive supply rail must be at least 2 V above the negative supply and reference
voltage.
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