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参数资料
| 型号： | AD8648ARZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 16/20页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP GP R-R 24MHZ LN 14SOIC |
| 标准包装： | 1,000 |
| 放大器类型： | 通用 |
| 电路数： | 4 |
| 输出类型： | 满摆幅 |
| 转换速率： | 11 V/µs |
| 增益带宽积： | 24MHz |
| 电流 - 输入偏压： | 0.3pA |
| 电压 - 输入偏移： | 600µV |
| 电流 - 电源： | 1.5mA |
| 电流 - 输出 / 通道： | 120mA |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SOIC |
| 包装： | 带卷 (TR) |
Data Sheet
AD8646/AD8647/AD8648
VSY = 2.7 V, VCM = VSY/2, TA = +25oC, unless otherwise noted.
Table 2.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
VCM = 0 V to 2.7 V
0.6
2.5
mV
40°C < TA < +125°C
3.2
mV
Offset Voltage Drift
ΔVOS/ΔT
40°C < TA < +125°C
1.8
7.0
μV/°C
Input Bias Current
IB
0.2
1
pA
40°C < TA < +85°C
50
pA
40°C < TA < +125°C
550
pA
Input Offset Current
IOS
0.1
0.5
pA
40°C < TA < +85°C
50
pA
40°C < TA < +125°C
250
pA
Input Voltage Range
VCM
0
2.7
V
Common-Mode Rejection Ratio
CMRR
VCM = 0 V to 2.7 V
62
79
dB
Large Signal Voltage Gain
AVO
RL = 2 kΩ, VO = 0.5 V to 2.2 V
95
102
dB
Input Capacitance
Differential
CDIFF
2.5
pF
Common Mode
CCM
7.8
pF
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
IOUT = 1 mA
2.65
2.68
V
40°C < TA < +125°C
2.60
V
Output Voltage Low
VOL
IOUT = 1 mA
11
25
mV
40°C < TA < +125°C
30
mV
Output Current
Isc
Short circuit
±63
mA
Closed-Loop Output Impedance
ZOUT
At 1 MHz, AV = 1
5
Ω
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VSY = 2.7 V to 5.5 V
63
80
dB
Supply Current per Amplifier
ISY
1.6
2.0
mA
40°C < TA < +125°C
2.5
mA
Supply Current Shutdown Mode
ISD
Both amplifiers shut down,
VIN_SDA and VIN_SDB = 0 V
10
nA
40°C < TA < +125°C
1
A
SHUTDOWN INPUTS (AD8647)
Logic High Voltage (Enabled)
VINH
40°C < TA < +125°C
+2.0
V
Logic Low Voltage (Power-Down)
VINL
40°C < TA < +125°C
+0.8
V
Logic Input Current (Per Pin)
IIN
40°C < TA < +125°C
1
A
Output Pin Leakage Current
40°C < TA < +125°C (shutdown active)
1
nA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 2 kΩ
11
V/μs
Gain Bandwidth Product
GBP
24
MHz
Phase Margin
m
53
Degrees
Settling Time
ts
To 0.1%
0.3
μs
Amplifier Turn-On Time (AD8647)
ton
1.2
μs
Amplifier Turn-Off Time (AD8647)
toff
1
μs
NOISE PERFORMANCE
Peak-to-Peak Noise
en p-p
0.1 Hz to 10 Hz
2.3
μV
Voltage Noise Density
en
f = 1 kHz
8
nV/√Hz
f = 10 kHz
6
nV/√Hz
Channel Separation
CS
f = 10 kHz
115
dB
f = 100 kHz
110
dB
Rev. E | Page 5 of 20
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