参数资料
型号: AD8432ACPZ-R7
厂商: Analog Devices Inc
文件页数: 23/32页
文件大小: 0K
描述: IC OPAMP VF DUAL LN LP 24LFCSP
标准包装: 1,500
放大器类型: 电压反馈
电路数: 2
输出类型: 差分
转换速率: 295 V/µs
-3db带宽: 200MHz
电压 - 输入偏移: 1000µV
电流 - 电源: 24mA
电流 - 输出 / 通道: 77mA
电压 - 电源,单路/双路(±): 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘,CSP
供应商设备封装: 24-LFCSP-WQ(4x4)
包装: 带卷 (TR)
Data Sheet
AD8432
Rev. C | Page 3 of 32
SPECIFICATIONS
VS = 5 V, TA = 25°C, RS = RIN = 50 , RFB =150 Ω, CSH = 47 pF, RSH = 15 Ω, RL = 500 (per SE output), CL = 5 pF (per SE output),
G = 12.04 dB (single-ended input to differential output), f = 1 MHz, unless otherwise specified.
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
Gain Range
Input to differential output (selectable gain)
12.04
24.08
dB
Input to single output (selectable gain)
6.02
18.06
dB
Gain Error
0.1
1
dB
3 dB Small Signal Bandwidth
R
IN unterminated, RFB = ∞, CSH = 0 pF, RSH = 0
G = 12.04 dB
200
MHz
G = 18.06 dB
90
MHz
G = 21.58 dB
50
MHz
G = 24.08 dB
32
MHz
3 dB Large Signal Bandwidth
V
OUT = 2 V p-p
42
MHz
Slew Rate (Rising Edge)
V
OUT = 2 V p-p, f = 10 MHz
295
V/s
Slew Rate (Falling Edge)
V
OUT = 2 V p-p, f = 10 MHz
170
V/s
Overdrive Recovery Time
10
ns
DISTORTION/NOISE PERFORMANCE
Input Voltage Noise
R
FB = ∞
0.85
nV/√Hz
Input Current Noise
R
FB = ∞
2.0
pA/√Hz
Noise Figure
Unterminated
R
S = 50 , RFB = ∞
2.8
dB
Active Termination
R
S = RIN = 50 , RFB = 150
4.8
dB
R
S = 50 , RFB = 226 , RIN = 75
4.2
dB
R
S = 50 , RFB = 301 , RIN = 100
3.2
dB
R
S = 50 , RFB = 619 , RIN = 200
2.1
dB
R
S = 50 , RFB = 3.57 k, RIN = 1 k
2.3
dB
Output Referred Noise
G = 12.04 dB, R
FB = ∞
3.4
nV/√Hz
G = 18.06 dB, R
FB = ∞
6.8
nV/√Hz
G = 21.58 dB, R
FB = ∞
10.2
nV/√Hz
G = 24.08 dB, R
FB = ∞
13.6
nV/√Hz
Harmonic Distortion
1 MHz (V
OUT = 1 V p-p)
HD2
67
dBc
HD2, R
S = 50 , RIN unterminated
74
dBc
HD3
103
dBc
HD3, R
S = 50 , RIN unterminated
106
dBc
1 MHz (V
OUT = 2 V p-p)
HD2
65
dBc
HD2, R
S = 50 , RIN unterminated
72
dBc
HD3
103
dBc
HD3, R
S = 50 , RIN unterminated
92
dBc
10 MHz (V
OUT = 1 V p-p)
HD2
66
dBc
HD2, R
S = 50 , RIN unterminated
62
dBc
HD3
78
dBc
HD3, R
S = 50 , RIN unterminated
73
dBc
10 MHz (V
OUT = 2 V p-p)
HD2
60
dBc
HD2, R
S = 50 , RIN unterminated
56
dBc
HD3
72
dBc
HD3, R
S = 50 , RIN unterminated
65
dBc
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