MAX4475, MAX4476, MAX4477, MAX4478, MAX4488, MAX4489
SOT23封装、低噪声、低失真、宽带、满摆幅运算放大器
概述
完整的数据资料
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MAX4475–MAX4478/MAX4488/MAX4489为宽带、低噪声、低失真运算放大器, 提供满摆幅输出,工作电压可低至2.7V。每路运放仅消耗2.2mA的静态电流,并具有超低失真度(0.0002% THD+N)、低输入电压噪声密度(4.5nV每 )和低输入电流噪声密度(0.5fA每 )。非常适合要求低失真和/或低噪声的应用。
为节省功率,MAX4475/MAX4488提供低功率关断模式,此模式可使供电电流降到0.01µA并将放大器输出置为高阻态。这些放大器提供满摆幅摆输出、输入共模范围包括地电位。MAX4475–MAX4478为单位增益稳定,增益带宽积为10MHz。MAX4488/MAX4489内部补偿增益为+5V/V,增益带宽积大于42MHz。单路MAX4475/MAX4476/MAX4488提供节省空间的6引脚、SOT23和TDFN封装。
关键特性
应用/使用
低输入电压噪声密度:4.5nV每
低输入电流噪声密度:0.5fA每
低失真度:0.0002% THD+N (1kΩ负载)
+2.7V至+5.5V单电源供电
输入共模电压范围包括地电位
驱动1kΩ负载时可提供满摆幅输出
10MHz GBW、单位增益稳定(MAX4475–MAX4478)
42MHz GBW、AV ≥ +5V/V的增益稳定性(MAX4488/MAX4489)
出色的DC特性
VOS = 70µV
IBIAS = 1pA
大信号电压增益 = 120dB
低功耗关断模式:
提供节省空间的SOT23、TDFN、µMAX®和TSSOP封装
Key Specifications:
Operational Amplifiers
Part Number
Amps Per Pkg.
Rail to Rail
Min. Stable Closed Loop Gain (V/V)
Min. Total Supply (V)
Max. Total Supply (V)
Typ. Supply Current per Amp. (µA)
Max. Supply Current per Amp. (µA)
Max. VOS (µV)
Typ. CMRR @ DC (dB)
Typ PSRR @ DC (dB)
Max. Input IBIAS (nA)
Typ. Unity Gain BW (MHz)
Typ. Slew Rate (V/µs)
Input Voltage Noise Density (nV/√Hz)
Input Current Noise Density (pA/√Hz)
Low Power Shutdown
Package
Price**
MAX4475
1
Output Only
1
2.7
5.5
2500
4400
750
115
120
0.15
10
3
4.5
0.0005
Yes
µMAX/8
SOIC(N)/8
SOT/6
TDFN-EP/6
$0.65 @ 1k
MAX4476
1
1
10
3
No
SOT/6
TDFN-EP/6
$0.65 @ 1k
MAX4477
2
1
10
3
No
µMAX/8
SOIC(N)/8
$0.98 @ 1k
MAX4478
4
1
10
3
No
SOIC(N)/14
TSSOP/14
$1.45 @ 1k
MAX4488
1
5
42
10
Yes
µMAX/8
SOIC(N)/8
SOT/6
TDFN-EP/6
$0.65 @ 1k
MAX4489
2
5
42
10
No
µMAX/8
SOIC(N)/8
$0.98 @ 1k
See All Operational Amplifiers (144)
Notes:
** This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
图表
典型工作电路
参考文献: 19-2137;
Rev. 3;
2005-12-12
本页最后一次更新: 2008-03-14