参数资料
| 型号： | AD621BRZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/16页 |
| 文件大小： | 0K |
| 描述： | IC AMP INST LDRIFT LP 18MA 8SOIC |
| 标准包装： | 2,500 |
| 放大器类型： | 仪表 |
| 电路数： | 1 |
| 转换速率： | 1.2 V/µs |
| -3db带宽： | 800kHz |
| 电流 - 输入偏压： | 500pA |
| 电压 - 输入偏移： | 50µV |
| 电流 - 电源： | 900µA |
| 电流 - 输出 / 通道： | 18mA |
| 电压 - 电源，单路/双路(±)： | ±2.3 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： | 带卷 (TR) |
AD621–SPECIFICATIONS
Gain = 10
AD621A
AD621B
AD621S
1
Model
Conditions
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
GAIN
Gain Error
VOUT =
±10 V
0.15
0.05
0.15
%
Nonlinearity,
VOUT = –10 V to +10 V
RL = 2 k
2
10
2
10
2
10
ppm of FS
Gain vs. Temperature
–1.5
±5
–1.5
±5–1
±5
ppm/
°C
TOTAL VOLTAGE OFFSET
Offset (RTI)
VS =
±15 V
75
250
50
125
75
250
V
Over Temperature
VS =
±5 V to ±15 V
400
215
500
V
Average TC
VS =
±5 V to ±15 V
1.0
2.5
0.6
1.5
1.0
2.5
V/°C
Offset Referred to the
Input vs. Supply (PSR)
2
VS =
±2.3 V to ± 18 V 95
120
100
120
95
120
dB
Total NOISE
Voltage Noise (RTI)
1 kHz
13
17
13
17
13
17
nV/
√Hz
RTI
0.1 Hz to 10 Hz
0.55
0.8
0.55
0.8
V p-p
Current Noise
f = 1 kHz
100
fA/
√Hz
0.1 Hz–10 Hz
10
pA p-p
INPUT CURRENT
VS =
±15 V
Input Bias Current
0.5
2.0
0.5
1.0
0.5
2
nA
Over Temperature
2.5
1.5
4
nA
Average TC
3.0
8.0
pA/
°C
Input Offset Current
0.3
1.0
0.3
0.5
0.3
1.0
nA
Over Temperature
1.5
0.75
2.0
nA
Average TC
1.5
8.0
pA/
°C
INPUT
Input Impedance
Differential
10 210 210 2G
pF
Common-Mode
10 210 210 2G
pF
Input Voltage Range
3
VS =
±2.3 V to ± 5 V
–VS + 1.9
+VS – 1.2 –VS + 1.9
+VS – 1.2
–VS + 1.9
+VS – 1.2
V
Over Temperature
–VS + 2.1
+VS – 1.3 –VS + 2.1
+VS – 1.3
–VS + 2.1
+VS – 1.3
V
VS =
±5 V to ±18 V
–VS + 1.9
+VS – 1.4 –VS + 1.9
+VS – 1.4
–VS + 1.9
+VS – 1.4
V
Over Temperature
–VS + 2.1
+VS – 1.4 –VS + 2.1
+VS – 1.4
–VS + 2.3
+VS – 1.4
V
Common-Mode Rejection
Ratio DC to 60 Hz with
1 k
Source Imbalance
VCM = 0 V to
± 10 V
93
110
100
110
93
110
dB
OUTPUT
Output Swing
RL = 10 k
,
VS =
±2.3 V to ± 5 V
–VS + 1.1
+VS – 1.2 –VS + 1.1
+VS – 1.2
–VS + 1.1
+VS – 1.2
V
Over Temperature
–VS + 1.4
+VS – 1.3 –VS + 1.4
+VS – 1.3
–VS + 1.6
+VS – 1.3
V
VS =
±5 V to ±18 V
–VS + 1.2
+VS – 1.4 –VS + 1.2
+VS – 1.4
–VS + 1.2
+VS – 1.4
V
Over Temperature
–VS + 1.6
+VS – 1.5 –VS + 1.6
+VS – 1.5
–VS + 2.3
+VS – 1.5
V
Short Current Circuit
±18
mA
DYNAMIC RESPONSE
Small Signal,
–3 dB Bandwidth
800
kHz
Slew Rate
0.75
1.2
0.75
1.2
0.75
1.2
V/
s
Settling Time to 0.01%
10 V Step
12
s
REFERENCE INPUT
RIN
20
k
IIN
VIN +, VREF = 0
50
60
50
60
+50
+60
A
Voltage Range
–VS + 1.6
+VS – 1.6 –VS + 1.6
+VS – 1.6
VS + 1.6
+VS – 1.6
V
Gain to Output
1
± 0.0001
1
± 0.0001
1
± 0.0001
POWER SUPPLY
Operating Range
±2.3
±18
±2.3
±18
±2.3
±18
V
Quiescent Current
VS =
±2.3 V to ±18 V
0.9
1.3
0.9
1.3
0.9
1.3
mA
Over Temperature
1.1
1.6
1.1
1.6
1.1
1.6
mA
TEMPERATURE RANGE
For Specified Performance
–40 to +85
–55 to +125
°C
NOTES
1See Analog Devices’ military data sheet for 883B tested specifications.
2This is defined as the supply range over which PSRR is defined.
3Input Voltage Range = CMV + (Gain
× V
DIFF).
Specifications subject to change without notice.
(Typical @ 25 C, VS =
15 V, and RL = 2 k , unless otherwise noted.)
REV. B
–2–
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