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| 型号： | ADA4857-2YCPZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 8/20页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP VF DUAL ULDIST 16LFCSP |
| 标准包装： | 1 |
| 放大器类型： | 电压反馈 |
| 电路数： | 2 |
| 转换速率： | 2800 V/µs |
| -3db带宽： | 850MHz |
| 电流 - 输入偏压： | 2µA |
| 电压 - 输入偏移： | 2000µV |
| 电流 - 电源： | 5mA |
| 电流 - 输出 / 通道： | 50mA |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 10.5 V，±2.25 V ~ 5.25 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-VQFN 裸露焊盘，CSP |
| 供应商设备封装： | 16-LFCSP-VQ EP（4x4） |
| 包装： | 标准包装 |
| 产品目录页面： | 768 (CN2011-ZH PDF) |
| 其它名称： | ADA4857-2YCPZ-R7DKR |
ADA4857-1/ADA4857-2
Data Sheet
Rev. C | Page 16 of 20
APPLICATIONS INFORMATION
POWER-DOWN OPERATION
The PD pin is used to power down the chip, which reduces the
quiescent current and the overall power consumption. It is low
enabled, which means that the chip is on with full power when
the PD pin input voltage is low (see Table 8). Note that PD does not
put the output in a high-Z state, which means that the ADA4857
should not be used as a multiplexer.
Table 8. PD Operation Table Guide
Supply Voltage
Condition
±5 V
±2.5 V
+5 V
Enabled
≤+0.8 V
≤1.7 V
≤+0.8 V
Powered down
≥+3 V
≥+0.5 V
≥+3 V
CAPACITIVE LOAD CONSIDERATIONS
When driving a capacitive load using the SOIC package, RSNUB is
used to reduce the peaking (see Figure 47). An optimum resistor
value of 40 is found to maintain the peaking within 1 dB for
any capacitive load up to 40 pF.
RECOMMENDED VALUES FOR VARIOUS GAINS
Table 9 provides a useful reference for determining various gains
and associated performance. RF and RG are kept low to minimize
their contribution to the overall noise performance of the amplifier.
Table 9. Various Gain and Recommended Resistor Values Associated with Conditions; VS = ±5 V, TA = 25°C, RL = 1 k, RT = 49.9
Gain
RS () (CSP/SOIC)
RF ()
RG ()
3 dB SS BW (MHz)
(CSP/SOIC)
Slew Rate (V/s),
VOUT = 2 V Step
ADA4857 Voltage
Noise (nV/√Hz), RTO
Total System
Noise (nV/√Hz), RTO
+1
0/100
0
N/A
850/750
2350
4.4
4.49
+2
0/0
499
360/320
1680
8.8
9.89
+5
0/0
499
124
90/89
516
22.11
23.49
+10
0/0
499
56.2
43/40
213
43.47
45.31
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| ADA4857-2YCPZ-RL | 功能描述:IC OPAMP VF DUAL ULDIST 16LFCSP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:100 系列:- 放大器类型:通用 电路数:1 输出类型:- 转换速率:0.2 V/µs 增益带宽积:- -3db带宽:- 电流 - 输入偏压:100pA 电压 - 输入偏移:30µV 电流 - 电源:380µA 电流 - 输出 / 通道:- 电压 - 电源，单路/双路(±):±2 V ~ 18 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SO 包装:管件 |
| ADA4858-3 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Supply, High Speed, Triple Op Amp with Charge Pump |
| ADA4858-3ACP-EBZ | 功能描述:BOARD EVAL FOR ADA4858-3ACP RoHS:是 类别:编程器，开发系统 >> 评估板 - 运算放大器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- |
| ADA4858-3ACPZ-R2 | 制造商:Analog Devices 功能描述:OP AMP TRIPLE CURRENT FDBK 5.5V 16LFCSP EP - Tape and Reel 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述:IC OP-AMP 600MHZ 600V/ LFCSP-16 制造商:Analog Devices 功能描述:Single Supply High Spd RR Video Amp 制造商:Analog Devices 功能描述:IC, OP-AMP, 600MHZ, 600V/s, LFCSP-16, Op Amp Type:High Speed, No. of Amplifiers:3, Bandwidth:600MHz, Slew Rate:600V/s, Supply Voltage Range:3V to 5.5V, Amplifier Case Style:LFCSP, No. of Pins:16 , RoHS Compliant: Yes |
| ADA4858-3ACPZ-R7 | 功能描述:IC OPAMP CF TRPL LP 21MA 16LFCSP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:100 系列:- 放大器类型:通用 电路数:1 输出类型:- 转换速率:0.2 V/µs 增益带宽积:- -3db带宽:- 电流 - 输入偏压:100pA 电压 - 输入偏移:30µV 电流 - 电源:380µA 电流 - 输出 / 通道:- 电压 - 电源，单路/双路(±):±2 V ~ 18 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SO 包装:管件 |
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