参数资料
型号: ADA4891-3ARZ-R7
厂商: Analog Devices Inc
文件页数: 19/24页
文件大小: 0K
描述: IC OPAMP GP R-R CMOS 14SOIC
标准包装: 1
放大器类型: 通用
电路数: 3
输出类型: 满摆幅
转换速率: 210 V/µs
-3db带宽: 240MHz
电流 - 输入偏压: 2pA
电压 - 输入偏移: 2500µV
电流 - 电源: 4.4mA
电流 - 输出 / 通道: 125mA
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: 标准包装
其它名称: ADA4891-3ARZ-R7DKR
ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4
Data Sheet
Rev. E | Page 4 of 24
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
Short-Circuit Current
Sourcing
205
mA
Sinking
307
mA
POWER-DOWN PINS (PD1, PD2, PD3)
ADA4891-3 only
Threshold Voltage, VTH
2.4
V
Bias Current
Part enabled
65
nA
Part powered down
22
A
Turn-On Time
Part enabled, output rises to 90% of final value
166
ns
Turn-Off Time
Part powered down, output falls to 10% of final
value
49
ns
POWER SUPPLY
Operating Range
2.7
5.5
V
Quiescent Current per Amplifier
4.4
mA
Supply Current When Powered Down
ADA4891-3 only
0.8
mA
Power Supply Rejection Ratio (PSRR)
Positive PSRR
+VS = 5 V to 5.25 V, VS = 0 V
65
dB
Negative PSRR
+VS = 5 V, VS = 0.25 V to 0 V
63
dB
OPERATING TEMPERATURE RANGE
40
+125
°C
3 V OPERATION
TA = 25°C, VS = 3 V, RL = 1 k to 1.5 V, unless otherwise noted. All specifications are for the ADA4891-1, ADA4891-2, ADA4891-3, and
ADA4891-4, unless otherwise noted. For the ADA4891-1 and ADA4891-2, RF = 604 Ω; for the ADA4891-3 and ADA4891-4, RF = 453 Ω,
unless otherwise noted.
Table 2.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
3 dB Small-Signal Bandwidth
ADA4891-1/ADA4891-2, G = +1, VO = 0.2 V p-p
190
MHz
ADA4891-3/ADA4891-4, G = +1, VO = 0.2 V p-p
175
MHz
ADA4891-1/ADA4891-2, G = +2, VO = 0.2 V p-p,
RL = 150 to 1.5 V
75
MHz
ADA4891-3/ADA4891-4, G = +2, VO = 0.2 V p-p,
RL = 150 to 1.5 V
80
MHz
Bandwidth for 0.1 dB Gain Flatness
ADA4891-1/ADA4891-2, G = +2, VO = 2 V p-p,
RL = 150 to 1.5 V, RF = 604
18
MHz
ADA4891-3/ADA4891-4, G = +2, VO = 2 V p-p,
RL = 150 to 1.5 V, RF = 374
18
MHz
Slew Rate, tR/tF
G = +2, VO = 2 V step, 10% to 90%
140/230
V/s
3 dB Large-Signal Frequency Response
G = +2, VO = 2 V p-p, RL = 150
40
MHz
Settling Time to 0.1%
G = +2, VO = 2 V step
30
ns
NOISE/DISTORTION PERFORMANCE
Harmonic Distortion, HD2/HD3
fC = 1 MHz, VO = 2 V p-p, G = 1
70/89
dBc
Input Voltage Noise
f = 1 MHz
9
nV/√Hz
Differential Gain Error (NTSC)
G = +2, RL = 150 to 0.5 V, +VS = 2 V, VS = 1 V
0.23
%
Differential Phase Error (NTSC)
G = +2, RL = 150 to 0.5 V, +VS = 2 V, VS = 1 V
0.77
Degrees
All-Hostile Crosstalk
f = 5 MHz, G = +2
80
dB
DC PERFORMANCE
Input Offset Voltage
±2.5
±10
mV
ADA4891-1W/ADA4891-2W/ADA4891-4W only,
TMIN to TMAX
±3.1
±16
mV
TMIN to TMAX
±3.1
mV
Offset Drift
6
V/°C
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