参数资料
型号: AD8279ARZ-R7
厂商: Analog Devices Inc
文件页数: 18/24页
文件大小: 0K
描述: IC AMP DIFF 1MHZ DUAL LP 14SOIC
标准包装: 1,000
放大器类型: 差分
电路数: 2
输出类型: 满摆幅
转换速率: 1.4 V/µs
增益带宽积: 1MHz
电压 - 输入偏移: 50µV
电流 - 电源: 300µA
电流 - 输出 / 通道: 15mA
电压 - 电源,单路/双路(±): 2 V ~ 36 V,±2 V ~ 18 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOIC
包装: 带卷 (TR)
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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