参数资料
型号: AD8274ARZ-R7
厂商: Analog Devices Inc
文件页数: 10/16页
文件大小: 0K
描述: IC AMP DIFF 20MHZ LDIST 8SOIC
产品培训模块: Top Five Instrumentation Amplifier Problems
设计资源: High Voltage, High Precision Current Sensing with Output Level Shifting Using AD8210 and AD8274 (CN0116)
High Speed Instrumentation Amplifier Using AD8271 and ADA4627-1 (CN0122)
标准包装: 1
系列: iPolar®
放大器类型: 差分
电路数: 1
转换速率: 20 V/µs
增益带宽积: 20MHz
电压 - 输入偏移: 300µV
电流 - 电源: 2.3mA
电流 - 输出 / 通道: 90mA
电压 - 电源,单路/双路(±): 5 V ~ 36 V,±2.5 V ~ 18 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 标准包装
产品目录页面: 773 (CN2011-ZH PDF)
其它名称: AD8274ARZ-R7DKR
AD8274
Rev. C | Page 3 of 16
SPECIFICATIONS
VS = ±15 V, VREF = 0 V, TA = 25°C, RL = 2 kΩ, unless otherwise noted.
Table 2.
G =
G = 2
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
Bandwidth
20
10
MHz
Slew Rate
20
V/μs
Settling Time to 0.1%
10 V step on output,
CL = 100 pF
650
750
675
775
ns
Settling Time to 0.01%
10 V step on output,
CL = 100 pF
725
800
750
825
ns
NOISE/DISTORTION1
THD + Noise
f = 1 kHz,
VOUT = 10 V p-p,
600 Ω load
0.00025
0.00035
%
Noise Floor, RTO2
20 kHz BW
106
100
dBu
Output Voltage Noise
(Referred to Output)
f = 20 Hz to 20 kHz
3.5
7
μV rms
f = 1 kHz
26
52
nV/√Hz
GAIN
Gain Error
0.03
%
Gain Drift
40°C to +85°C
0.5
2
0.5
2
ppm/°C
Gain Nonlinearity
VOUT = 10 V p-p,
600 Ω load
2
ppm
INPUT CHARACTERISTICS
Offset3
Referred to output
150
700
300
1100
μV
vs. Temperature
40°C to +85°C
3
6
μV/°C
vs. Power Supply
VS = ±2.5 V to ±18 V
5
10
μV/V
Common-Mode Rejection
Ratio
VCM = ±40 V,
RS = 0 Ω,
referred to input
77
86
83
92
dB
Input Voltage Range4
3(VS + 1.5)
3(+VS 1.5)
1.5(VS + 1.5)
1.5(+VS – 1.5)
V
Impedance5
Differential
VCM = 0 V
36
9
Common Mode6
9
OUTPUT CHARACTERISTICS
Output Swing
VS + 1.5
+VS 1.5
VS + 1.5
+VS 1.5
V
Short-Circuit Current Limit
Sourcing
90
mA
Sinking
60
mA
Capacitive Load Drive
200
1200
pF
POWER SUPPLY
Supply Current (per
Amplifier)
2.3
2.6
2.3
2.6
mA
TEMPERATURE RANGE
Specified Performance
40
+85
40
+85
°C
1 Includes amplifier voltage and current noise, as well as noise of internal resistors.
2 dBu = 20 log(V rms/0.7746).
3 Includes input bias and offset current errors.
4 May also be limited by absolute maximum input voltage or by the output swing. See the Absolute Maximum Ratings section and Figure 8 through Figure 11 for details.
5 Internal resistors are trimmed to be ratio matched but to have ±20% absolute accuracy.
6 Common mode is calculated by looking into both inputs. The common-mode impedance at only one input is 18 kΩ.
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