参数资料
型号: AD8251-EVALZ
厂商: Analog Devices Inc
文件页数: 18/24页
文件大小: 0K
描述: BOARD EVALUATION FOR AD8251 PGA
标准包装: 1
系列: iCMOS®
每 IC 通道数: 1 - 单
放大器类型: 仪表
输出类型: 单端
转换速率: 20 V/µs
-3db带宽: 10MHz
工作温度: -40°C ~ 85°C
电流供应(主 IC): 4.1mA
电压 - 电源,单路/双路(±): 5 V ~ 15 V
板类型: 完全填充
已供物品:
已用 IC / 零件: AD8251
AD8251
Rev. B | Page 3 of 24
SPECIFICATIONS
+VS = 15 V, VS = 15 V, VREF = 0 V @ TA = 25°C, G = 1, RL = 2 kΩ, unless otherwise noted.
Table 2.
Parameter
Conditions
Min
Typ
Max
Unit
COMMON-MODE REJECTION RATIO (CMRR)
CMRR to 60 Hz with 1 kΩ Source Imbalance
+IN = IN = 10 V to +10 V
G = 1
80
98
dB
G = 2
86
104
dB
G = 4
92
110
dB
G = 8
98
110
dB
CMRR to 50 kHz
+IN = IN = 10 V to +10 V
G = 1
80
dB
G = 2
84
dB
G = 4
86
dB
G = 8
86
dB
NOISE
Voltage Noise, 1 kHz, RTI
G = 1
40
nV/√Hz
G = 2
27
nV/√Hz
G = 4
22
nV/√Hz
G = 8
18
nV/√Hz
0.1 Hz to 10 Hz, RTI
G = 1
2.5
μV p-p
G = 2
2.5
μV p-p
G = 4
1.8
μV p-p
G = 8
1.2
μV p-p
Current Noise, 1 kHz
5
pA/√Hz
Current Noise, 0.1 Hz to 10 Hz
60
pA p-p
VOLTAGE OFFSET
Offset RTI VOS
G = 1, 2, 4, 8
±(70 + 200/G)
±(200 + 600/G)
μV
Over Temperature
T = 40°C to +85°C
±(90 + 300/G)
±(260 + 900/G)
μV
Average TC
T = 40°C to +85°C
±(0.6 + 1.5/G)
±(1.2 + 5/G)
μV/°C
Offset Referred to the Input vs. Supply (PSR)
VS = ±5 V to ±15 V
±(2 + 7/G)
±(6 + 20/G)
μV/V
INPUT CURRENT
Input Bias Current
5
30
nA
Over Temperature
T = 40°C to +85°C
40
nA
Average TC
T = 40°C to +85°C
400
pA/°C
Input Offset Current
5
30
nA
Over Temperature
T = 40°C to +85°C
30
nA
Average TC
T = 40°C to +85°C
160
pA/°C
DYNAMIC RESPONSE
Small Signal 3 dB Bandwidth
G = 1
10
MHz
G = 2
10
MHz
G = 4
8
MHz
G = 8
2.5
MHz
Settling Time 0.01%
ΔOUT = 10 V step
G = 1
615
ns
G = 2
460
ns
G = 4
460
ns
G = 8
625
ns
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