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参数资料
| 型号： | ADA4528-1ARMZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 14/20页 |
| 文件大小： | 0K |
| 描述： | IC OP AMP RRIO ZERODRIFT 8MSOP |
| 视频文件： | ADA4528: Lowest Noise, Zero-Drift Amplifier Enabling 24 bit Resolution |
| 标准包装： | 3,000 |
| 放大器类型： | 零漂移 |
| 电路数： | 1 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.5 V/µs |
| 增益带宽积： | 4MHz |
| 电流 - 输入偏压： | 90pA |
| 电压 - 输入偏移： | 0.3µV |
| 电流 - 电源： | 1.5mA |
| 电流 - 输出 / 通道： | 40mA |
| 电压 - 电源，单路/双路(±)： | 2.2 V ~ 5.5 V，±1.1 V ~ 2.75 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 带卷 (TR) |
Data Sheet
ADA4528-1
Rev. A | Page 3 of 20
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—2.5 V OPERATION
VS = 2.5 V, VCM = VSY/2 V, TA = 25°C, unless otherwise specified.
Table 2.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
VCM = 0 V to 2.5 V
0.3
2.5
μV
40°C ≤ TA ≤ +125°C; MSOP package
4
μV
40°C ≤ TA ≤ +125°C; LFCSP package
4.3
μV
Offset Voltage Drift
ΔVOS/ΔT
40°C ≤ TA ≤ +125°C; MSOP package
0.002
0.015
μV/°C
40°C ≤ TA ≤ +125°C; LFCSP package
0.018
μV/°C
Input Bias Current
IB
220
400
pA
40°C ≤ TA ≤ +125°C
600
pA
Input Offset Current
IOS
440
800
pA
40°C ≤ TA ≤ +125°C
1
nA
Input Voltage Range
0
2.5
V
Common-Mode Rejection Ratio
CMRR
VCM = 0 V to 2.5 V
135
158
dB
40°C ≤ TA ≤ +125°C
116
dB
Open-Loop Gain
AVO
RL = 10 kΩ, VO = 0.1 V to 2.4 V
130
140
dB
40°C ≤ TA ≤ +125°C
126
dB
RL = 2 kΩ, VO = 0.1 V to 2.4 V
125
132
dB
40°C ≤ TA ≤ +125°C
121
dB
Input Resistance, Differential Mode
RINDM
225
kΩ
Input Resistance, Common Mode
RINCM
1
GΩ
Input Capacitance, Differential Mode
CINDM
15
pF
Input Capacitance, Common Mode
CINCM
30
pF
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
RL = 10 kΩ to VCM
2.49
2.495
V
40°C ≤ TA ≤ +125°C
2.485
V
RL = 2 kΩ to VCM
2.46
2.48
V
40°C ≤ TA ≤ +125°C
2.44
V
Output Voltage Low
VOL
RL = 10 kΩ to VCM
5
10
mV
40°C ≤ TA ≤ +125°C
15
mV
RL = 2 kΩ to VCM
20
40
mV
40°C ≤ TA ≤ +125°C
60
mV
Short-Circuit Current
ISC
±30
mA
Closed-Loop Output Impedance
ZOUT
f = 1 kHz, AV = +10
0.1
Ω
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VSY = 2.2 V to 5.5 V
130
150
dB
40°C ≤ TA ≤ +125°C
127
dB
Supply Current/Amplifier
ISY
IO = 0 mA
1.4
1.7
mA
40°C ≤ TA ≤ +125°C
2.1
mA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 10 kΩ, CL = 100 pF, AV = +1
0.45
V/μs
Settling Time to 0.1%
ts
VIN = 1.5 V step, RL = 10 kΩ, CL = 100 pF, AV = 1
7
μs
Gain Bandwidth Product
GBP
RL = 10 kΩ, CL = 100 pF, AV = +1
4
MHz
Phase Margin
ΦM
RL = 10 kΩ, CL = 100 pF, AV = +1
57
Degrees
Overload Recovery Time
RL = 10 kΩ, CL = 100 pF, AV = 10
50
μs
NOISE PERFORMANCE
Voltage Noise
en p-p
f = 0.1 Hz to 10 Hz, AV = +100
97
nV p-p
Voltage Noise Density
en
f = 1 kHz, AV = +100
5.6
nV/√Hz
f = 1 kHz, AV = +100, VCM = 2.0 V
5.5
nV/√Hz
Current Noise
in p-p
f = 0.1 Hz to 10 Hz, AV = +100
10
pA p-p
Current Noise Density
in
f = 1 kHz, AV = +100
0.7
pA/√Hz
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