参数资料
型号: ADA4859-3ACPZ-RL
厂商: Analog Devices Inc
文件页数: 10/16页
文件大小: 0K
描述: IC AMP 3CH CFB G=2 W/CP 16LFCSP
标准包装: 5,000
应用: 电流反馈
电路数: 3
-3db带宽: 265MHz
转换速率: 740 V/µs
电流 - 电源: 17mA
电流 - 输出 / 通道: 19mA
电压 - 电源,单路/双路(±): 3 V ~ 5.5 V
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: 带卷 (TR)
Data Sheet
ADA4859-3
Rev. A | Page 3 of 16
SPECIFICATIONS
TA = 25°C, VS = 5 V, G = 2, RF = 550 , RL = 150 , unless otherwise noted.
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
3 dB Bandwidth
V
OUT = 0.1 V p-p
265
MHz
V
OUT = 2 V p-p
195
MHz
Bandwidth for 0.1 dB Flatness
V
OUT = 2 V p-p, CL = 6 pF
60
MHz
Slew Rate
V
OUT = 2 V step
740
V/s
Settling Time to 0.1%
V
OUT = 2 V step
20
ns
NOISE/DISTORTION PERFORMANCE
Harmonic Distortion (HD2/HD3)
f
C = 1 MHz, VO = 2 V p-p
84/93
dBc
f
C = 5 MHz, VO = 2 V p-p
70/83
dBc
Crosstalk
f = 5 MHz
80
dBc
Total Output Noise
f = 1 MHz
17
nV/√Hz
Input Current Noise
f = 1 MHz
2
pA/√Hz
Differential Gain Error
0.01
%
Differential Phase Error
0.02
Degrees
DC PERFORMANCE
Output Offset Voltage
25
+9
+25
mV
+Input Bias Current
2
+0.7
+2
A
Closed-Loop Gain
1.9
2
2.1
V/V
INPUT CHARACTERISTICS
Input Resistance
+IN
15
M
Input Capacitance
+IN
1.5
pF
Input Common-Mode Voltage Range
1.8
+3.8
V
OUTPUT CHARACTERISTICS
Output Voltage Swing
1.4 to +3.6
1.7 to +3.8
V
Output Overdrive Recovery Time
Rise/fall, f = 5 MHz
15
ns
Maximum Linear Output Current @ V
O = 1 VPEAK
f
C = 1 MHz, HD2 ≤ 50 dBc
19
mA
POWER-DOWN
Input Voltage
Enabled
1.9
V
Powered down
2
V
Bias Current
0.1
+0.1
A
Turn-On Time
0.5
s
Turn-Off Time
2
s
POWER SUPPLY
Operating Range
3
5.5
V
Total Quiescent Current
Amplifier
15
17
21
mA
Charge Pump
21
mA
Total Quiescent Current When Powered Down
Amplifier
0.15
0.25
0.3
mA
Charge Pump
4
mA
Positive Power Supply Rejection Ratio
Referred to output
55
50
dB
Negative Power Supply Rejection Ratio
Referred to output
51
47
dB
Charge Pump Output Voltage
3.2
3
2.5
V
Charge Pump Sink Current
150
mA
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