参数资料
| 型号： | ISL28270IAZ |
| 厂商： | Intersil |
| 文件页数： | 15/18页 |
| 文件大小： | 0K |
| 描述： | IC INSTR AMP RRIO DUAL 16-QSOP |
| 标准包装： | 97 |
| 放大器类型： | 仪表 |
| 电路数： | 2 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.5 V/µs |
| -3db带宽： | 240kHz |
| 电流 - 输入偏压： | 500pA |
| 电压 - 输入偏移： | 35µV |
| 电流 - 电源： | 120µA |
| 电流 - 输出 / 通道： | 29mA |
| 电压 - 电源，单路/双路(±)： | 2.4 V ~ 5.5 V，±1.2 V ~ 2.75 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 管件 |
6
FN6260.6
October 21, 2009
FIGURE 5. ISL28270, ISL28470 FREQUENCY RESPONSE vs
CLOSED LOOP GAIN, V+ = 5V, VCM = 10mV
FIGURE 6. ISL28273 FREQUENCY RESPONSE vs CLOSED
LOOP GAIN, V+ = 5V, VCM = 10mV
FIGURE 7. ISL28270, ISL28470 FREQUENCY RESPONSE vs
SUPPLY VOLTAGE
FIGURE 8. ISL28273 FREQUENCY RESPONSE vs SUPPLY
VOLTAGE
FIGURE 9. ISL28270, ISL28470 FREQUENCY RESPONSE vs
CLOAD
FIGURE 10. ISL28273 FREQUENCY RESPONSE vs CLOAD
Typical Performance Curves
V+ = +5V, V- = 0V VCM = 1/2V+, VEN = V-, RL = Open, TA = +25°C,
unless otherwise specified. (Continued)
30
40
50
60
70
80
90
FREQUENCY (Hz)
GAIN
(d
B)
1
10
100
1k
10k
100k
1M
GAIN = 100V/V
GAIN = 200V/V
GAIN = 500V/V
GAIN = 1,000V/V
GAIN = 2,000V/V
GAIN = 10,000V/V
COMMON-MODE INPUT = V- + 10mV
GAIN = 5,000V/V
10
20
30
40
50
60
70
1E+00
1E+01
1E+02
1E+03
1E+04
1E+05
1E+06
FREQUENCY (Hz)
GAI
N
(
d
B)
GAIN = 500
GAIN = 200
GAIN = 100
GAIN = 50
GAIN = 20
GAIN = 10
GAIN = 1000
COMMON-MODE INPUT = V- + 10mV
100
10k
1k
100k
1M
45
40
35
30
25
20
15
10
5
0
FREQUENCY (Hz)
GAI
N
(
d
B)
V+ = 2.4V
V+ = 3.3V
V+ = 5V
AV = 100
RL = 10kΩ
CL = 10pF
RF/RG = 99.02
RF = 221kΩ
RG = 2.23kΩ
100
10k
1k
100k
25
20
15
10
5
0
FREQUENCY (Hz)
GAIN
(d
B)
AV = 10
R = 10k
Ω
CL = 10pF
RF/RG = 9.08Ω
RF = 178kΩ
RG = 19.6kΩ
1M
V+ = 5V
V+ = 2.4V
V+ = 3.3V
100
10k
1k
100k
50
45
40
35
30
25
FREQUENCY (Hz)
GAI
N
(
d
B)
CL = 820pF
AV = 100
V+, V- = ±2.5V
RL = 10kΩ
RF/RG = 99.02
RF = 221kΩ
RG = 2.23kΩ
1M
CL = 56pF
CL = 470pF
CL = 220pF
100
10k
1k
100k
30
25
20
15
10
0
FREQUENCY (Hz)
GAI
N
(
d
B)
CL = 100pF
AV = 10
V+ = 5V
RL = 10kΩ
RF/RG = 9.08Ω
RF = 178kΩ
RG = 19.6kΩ
1M
CL = 2.7pF
5
CL = 27pF
CL = 47pF
ISL28270, ISL28273, ISL28470
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