参数资料
型号: AD8556ARZ
厂商: Analog Devices Inc
文件页数: 23/28页
文件大小: 0K
描述: IC AMP CHOPPER 2MHZ 10MA 8SOIC
标准包装: 98
系列: DigiTrim®
放大器类型: 断路器(零漂移)
电路数: 1
转换速率: 1.2 V/µs
增益带宽积: 2MHz
电流 - 输入偏压: 49nA
电压 - 输入偏移: 2µV
电流 - 电源: 2mA
电流 - 输出 / 通道: 10mA
电压 - 电源,单路/双路(±): 4.5 V ~ 5.5 V
工作温度: -40°C ~ 140°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: 管件
产品目录页面: 771 (CN2011-ZH PDF)
AD8556
Rev. A | Page 4 of 28
SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
VDD = 5.0 V, VSS = 0.0 V, VCM = 2.5 V, VO = 2.5 V, 40°C ≤ TA ≤ +140°C, unless otherwise specified.
Table 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT STAGE
Input Offset Voltage
VOS
40°C ≤ TA ≤ +125°C
2
10
μV
40°C ≤ TA ≤ +140°C
3
12
μV
Input Offset Voltage Drift
TCVOS
25
65
nV/°C
Input Bias Current
IB
TA = 25°C
38
49
54
nA
40°C ≤ TA ≤ +125°C
58
nA
40°C ≤ TA ≤ +140°C
60
nA
Input Offset Current
IOS
TA = 25°C
0.2
2.5
nA
40°C ≤ TA ≤ +125°C
3.0
nA
40°C ≤ TA ≤ +140°C
4.0
nA
Input Voltage Range
2.1
2.9
V
Common-Mode Rejection Ratio
CMRR
VCM = 2.1 V to 2.9 V, AV = 70
80
92
dB
VCM = 2.1 V to 2.9 V, AV = 1280
94
112
dB
Linearity
VO = 0.2 V to 3.4 V
20
ppm
VO = 0.2 V to 4.8 V
1000
ppm
Differential Gain Accuracy
Second stage gain = 17.5 to 100
0.35
1.6
%
Second stage gain = 140 to 200
0.5
2.5
%
Differential Gain Temperature Coefficient
Second stage gain = 17.5 to 100
7
20
ppm/°C
Second stage gain = 140 to 200
10
40
ppm/°C
RF
14
18
22
RF Temperature Coefficient
600
ppm/°C
DAC
Accuracy
AV = 70, offset codes = 8 to 248
0.2
0.6
%
Ratiometricity
AV = 70, offset codes = 8 to 248
50
ppm
Output Offset
AV = 70, offset codes = 8 to 248
5
35
mV
Temperature Coefficient
40°C ≤ TA ≤ +125°C
3.3
15
ppm FS/°C
40°C ≤ TA ≤ +140°C
25
ppm FS/°C
VCLAMP
Input Bias Current
TA = 25°C, VCLAMP = 5 V
200
nA
40°C ≤ TA ≤ +125°C, VCLAMP = 5 V
500
nA
40°C ≤ TA ≤ +140°C, VCLAMP = 5 V
550
nA
Input Voltage Range
1.2
4.94
V
OUTPUT BUFFER STAGE
Buffer Offset
3
7
mV
Short-Circuit Current
ISC
5
10
mA
Output Voltage, Low
VOL
RL = 10 kΩ to 5 V
20
mV
Output Voltage, High
VOH
RL = 10 kΩ to 0 V
4.94
V
POWER SUPPLY
Supply Current
ISY
40°C ≤ TA ≤ +125°C, VO = 2.5 V,
VPOS = VNEG = 2.5 V, VDAC code = 128
2.0
2.7
mA
40°C ≤ TA ≤ +140°C, VO = 2.5 V,
VPOS = VNEG = 2.5 V, VDAC Code = 128
2.78
mA
Power Supply Rejection Ratio
PSRR
AV = 70
109
125
dB
Supply Voltage Required During Programming
10
°C < T
PROG
< 40
°C, supply capable of
driving 250 mA
5.0
5.25
5.5
V
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