参数资料
型号: AD8270ACPZ-RL
厂商: Analog Devices Inc
文件页数: 14/20页
文件大小: 0K
描述: IC AMP DIFF 20MHZ DUAL 16LFCSP
标准包装: 5,000
放大器类型: 差分
电路数: 2
输出类型: 满摆幅
转换速率: 30 V/µs
增益带宽积: 20MHz
电流 - 输入偏压: 500pA
电压 - 输入偏移: 450µV
电流 - 电源: 2.3mA
电流 - 输出 / 通道: 100mA
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: 16-VQFN 裸露焊盘,CSP
供应商设备封装: 16-LFCSP-VQ
包装: 带卷 (TR)
AD8270
Rev. 0 | Page 3 of 20
SPECIFICATIONS
DIFFERENCE AMPLIFIER CONFIGURATIONS
VS = ±15 V, VREF = 0 V, TA = 25°C, RLOAD = 2 kΩ, specifications referred to input, unless otherwise noted.
Table 2.
G = 0.5
G = 1
G = 2
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
Bandwidth
20
15
10
MHz
Slew Rate
30
V/μs
Settling Time to 0.01%
10 V step on output
700
800
700
800
700
800
ns
Settling Time to 0.001%
10 V step on output
750
900
750
900
750
900
ns
NOISE/DISTORTION
Harmonic Distortion
f = 1 kHz, VOUT = 10 V p-p,
RLOAD = 600 Ω
84
145
95
dB
Voltage Noise1
f = 0.1 Hz to 10 Hz
2
1.5
1
μV p-p
f = 1 kHz
52
38
26
nV/√Hz
GAIN
Gain Error
0.08
%
Gain Drift
TA = 40°C to +85°C
1
10
1
10
1
10
ppm/°C
INPUT CHARACTERISTICS
Offset2
450
1500
300
1000
225
750
μV
Average Temperature Drift
TA = 40°C to +85°C
3
2
1.5
μV/°C
Common-Mode Rejection
Ratio
DC to 1 kHz
70
86
76
92
80
98
dB
Power Supply Rejection Ratio
2
10
2
10
2
10
μV/V
Input Voltage Range3
15.4
+15.4
15.4
+15.4
15.4
+15.4
V
Common-Mode Resistance4
7.5
10
7.5
Bias Current
500
nA
OUTPUT CHARACTERISTICS
Output Swing
13.8
+13.8
13.8
+13.8
13.8
+13.8
V
TA = 40°C to +85°C
13.7
+13.7
13.7
+13.7
13.7
+13.7
V
Short-Circuit Current Limit
Sourcing
100
mA
Sinking
60
mA
POWER SUPPLY
Supply Current
(per Amplifier)
2.3
2.5
2.3
2.5
2.3
2.5
mA
TA = 40°C to +85°C
3
mA
1 Includes amplifier voltage and current noise, as well as noise of internal resistors.
2 Includes input bias and offset errors.
3 At voltages beyond the rails, internal ESD diodes begin to turn on. In some configurations, the input voltage range may be limited by the internal op amp (see the
Input Voltage Range section for details).
4 Internal resistors are trimmed to be ratio matched but have ±20% absolute accuracy. Common
-mode resistance was calculated with both inputs in parallel. Common-
mode impedance at only one input is 2× the resistance listed.
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