參數資料
型號: ADA4891-3ARUZ-RL
廠商: Analog Devices Inc
文件頁數: 19/24頁
文件大?。?/td> 0K
描述: IC OPAMP GP R-R CMOS 14TSSOP
標準包裝: 2,500
放大器類型: 通用
電路數: 3
輸出類型: 滿擺幅
轉換速率: 210 V/µs
-3db帶寬: 240MHz
電流 - 輸入偏壓: 2pA
電壓 - 輸入偏移: 2500µV
電流 - 電源: 4.4mA
電流 - 輸出 / 通道: 125mA
電壓 - 電源,單路/雙路(±): 2.7 V ~ 5.5 V,±1.35 V ~ 2.75 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 14-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 14-TSSOP
包裝: 帶卷 (TR)
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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