参数资料
| 型号： | ISL28270IAZ |
| 厂商： | Intersil |
| 文件页数： | 14/18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 |
5
FN6260.6
October 21, 2009
CMRR @
60Hz
Input Common Mode Rejection
Ratio
ISL28270, ISL28470
VCM = 1VP-P,
RL = 10kΩ to VCM
100
dB
ISL28273
83
dB
PSRR+ @
120Hz
Power Supply Rejection Ratio (V+) ISL28270, ISL28470
V+, V- = ±1.2V, ±2.5V,
VSOURCE = 1VP-P,
RL = 10kΩ to VCM
96
dB
ISL28273
77
dB
PSRR- @
120Hz
Power Supply Rejection Ratio (V-) ISL28270, ISL28470
V+, V- = ±1.2V, ±2.5V,
VSOURCE = 1VP-P,
RL = 10kΩ to VCM
105
dB
ISL28273
84
dB
NOTE:
2. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
Typical Performance Curves
V+ = +5V, V- = 0V VCM = 1/2V+, VEN = V-, RL = Open, TA = +25°C,
unless otherwise specified.
FIGURE 1. ISL28270, ISL28470 FREQUENCY RESPONSE vs
CLOSED LOOP GAIN, VCM = V+ = 5V
FIGURE 2. ISL28273 FREQUENCY RESPONSE vs CLOSED
LOOP GAIN, VCM = V+ = 5V
FIGURE 3. ISL28270, ISL28470 FREQUENCY RESPONSE vs
CLOSED LOOP GAIN. V+ = 5V, VCM = 1/2V+
FIGURE 4. ISL28273 FREQUENCY RESPONSE vs CLOSED
LOOP GAIN. V+ = 5V, VCM = 1/2V+
Electrical Specifications
V+ = +5V, V- = 0V VCM = 1/2V+, RL = Open, TA = +25°C, unless otherwise specified.
Boldface limits apply over the operating temperature range, -40°C to +125°C. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN
(Note 2)
TYP
MAX
(Note 2)
UNIT
30
40
50
60
70
80
90
FREQUENCY (Hz)
GAI
N
(
d
B)
GAIN = 100V/V
GAIN = 200V/V
GAIN = 500V/V
GAIN = 1,000V/V
GAIN = 2,000V/V
GAIN = 5,000V/V
GAIN = 10,000V/V
COMMON-MODE INPUT = V+
1
10
100
1k
10k
100k
1M
10
20
30
40
50
60
70
1E+00
1E+01
1E+02
1E+03
1E+04
1E+05
1E+06
FREQUENCY (Hz)
GA
IN
(
d
B)
GAIN = 1000
GAIN = 500
GAIN = 200
GAIN = 100
GAIN = 50
GAIN = 20
GAIN = 10
COMMON-MODE INPUT = V+
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 = 5,000V/V
GAIN = 10,000V/V
COMMON-MODE INPUT = 1/2V+
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 = 1000
GAIN = 200
GAIN = 100
GAIN = 50
GAIN = 20
GAIN = 10
COMMON-MODE INPUT = 1/2V+
ISL28270, ISL28273, ISL28470
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