参数资料
| 型号： | AD627BRZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 10/25页 |
| 文件大小： | 0K |
| 描述： | IC AMP INST R-R 80MHZ DL 8SOIC |
| 产品培训模块： | Power Line Monitoring |
| 标准包装： | 1 |
| 放大器类型： | 仪表 |
| 电路数： | 1 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.06 V/µs |
| -3db带宽： | 80kHz |
| 电流 - 输入偏压： | 2nA |
| 电压 - 输入偏移： | 25µV |
| 电流 - 电源： | 60µA |
| 电流 - 输出 / 通道： | 25mA |
| 电压 - 电源，单路/双路(±)： | 2.2 V ~ 36 V，±1.1 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 |
| 其它名称： | AD627BRZ-R7DKR |
Data Sheet
AD627
Rev. E | Page 17 of 24
Table 7. Maximum Gain for Low Common-Mode, Single-Supply Applications
VIN
REF Pin
Supply Voltage
RG (1% Tolerance)
Resulting Maximum Gain
Output Swing WRT 0 V
±100 mV, VCM = 0 V
2 V
5 V to 15 V
28.7 kΩ
12.0
0.8 V to 3.2 V
±50 mV, VCM = 0 V
2 V
5 V to 15 V
10.7 kΩ
23.7
0.8 V to 3.2 V
±10 mV, VCM = 0 V
2 V
5 V to 15 V
1.74 kΩ
119.9
0.8 V to 3.2 V
V = 0 V, V+ = 0 V to 1 V
1 V
10 V to 15 V
78.7 kΩ
7.5
1 V to 8.5 V
V = 0 V, V+ = 0 mV to 100 mV
1 V
5 V to 15 V
7.87 kΩ
31
1 V to 4.1 V
V = 0 V, V+ = 0 mV to 10 mV
1 V
5 V to 15 V
787 Ω
259.1
1 V to 3.6 V
Table 8. RTI Error Sources
Maximum Total RTI Offset Error (μV)
Maximum Total RTI Offset Drift (μV/°C)
Total RTI Noise (nV/√Hz)
Gain
+5
450
250
5
3
52
+10
350
200
4
2
42
+20
300
175
3.5
1.5
39
+50
270
160
3.2
1.2
38
+100
270
155
3.1
1.1
38
+500
252
151
3
1
38
+1000
251
151
3
1
38
Table 7 gives values for the maximum gain for various single-
supply input conditions. The resulting output swings refer to
0 V. To maximize the available gain and output swing, set the
voltages on the REF pins to either 2 V or 1 V. In most cases,
there is no advantage to increasing the single supply to greater
than 5 V (the exception is an input range of 0 V to 1 V).
OUTPUT BUFFERING
The AD627 is designed to drive loads of 20 k or greater but
can deliver up to 20 mA to heavier loads at lower output voltage
swings (see Figure 10). If more than 20 mA of output current is
required at the output, buffer the AD627 output with a precision
op amp, such as the OP113. Figure 40 shows this for a single
supply. This op amp can swing from 0 V to 4 V on its output
while driving a load as small as 600 .
VIN
RG
+VS
–VS
AD627
0.1F
–VS
VOUT
REF
0.1F
OP113
00782-
038
Figure 40. Output Buffering
INPUT AND OUTPUT OFFSET ERRORS
The low errors of the AD627 are attributed to two sources,
input and output errors. The output error is divided by G when
referred to the input. In practice, input errors dominate at high
gains and output errors dominate at low gains. The total offset
error for a given gain is calculated as
Total Error RTI = Input Error + (Output Error/Gain)
(5)
Total Error RTO = (Input Error × G) + Output Error
(6)
RTI offset errors and noise voltages for different gains are listed
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| AD627BRZ-RL | 功能描述:IC AMP INST R-R 25MA 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:J-FET 电路数:2 输出类型:- 转换速率:13 V/µs 增益带宽积:3MHz -3db带宽:- 电流 - 输入偏压:65pA 电压 - 输入偏移:3000µV 电流 - 电源:1.4mA 电流 - 输出 / 通道:- 电压 - 电源，单路/双路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:8-DIP（0.300"，7.62mm） 供应商设备封装:8-PDIP 包装:管件 |
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