参数资料
型号: ADA4950-1YCPZ-R7
厂商: Analog Devices Inc
文件页数: 24/28页
文件大小: 0K
描述: IC AMP DIFF LP 114MA 16LFCSP
标准包装: 1
放大器类型: 差分
电路数: 1
输出类型: 差分
转换速率: 2900 V/µs
-3db带宽: 750MHz
电压 - 输入偏移: 200µV
电流 - 电源: 9.5mA
电流 - 输出 / 通道: 114mA
电压 - 电源,单路/双路(±): 3 V ~ 11 V,±1.5 V ~ 5.5 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 16-VFQFN 裸露焊盘,CSP
供应商设备封装: 16-LFCSP-VQ
包装: 标准包装
产品目录页面: 765 (CN2011-ZH PDF)
其它名称: ADA4950-1YCPZ-R7DKR
Data Sheet
ADA4950-1/ADA4950-2
Rev. A | Page 5 of 28
5 V OPERATION
TA = 25°C, +VS = 5 V, VS = 0 V, VOCM = 2.5 V, G = 1, RT = 53.6 Ω (when used), RL,dm = 1 k, unless otherwise noted. All specifications
refer to single-ended input and differential outputs, unless otherwise noted. Refer to Figure 52 for signal definitions.
Differential Inputs to VOUT,dm Performance
Table 4.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
3 dB Small-Signal Bandwidth
VOUT, dm = 0.1 V p-p
770
MHz
3 dB Large-Signal Bandwidth
VOUT, dm = 2.0 V p-p
320
MHz
Bandwidth for 0.1 dB Flatness
VOUT, dm = 2.0 V p-p, RL = 200
ADA4950-1
220
MHz
ADA4950-2
160
MHz
Slew Rate
VOUT, dm = 2 V p-p, 25% to 75%
2200
V/s
Settling Time to 0.1%
VOUT, dm = 2 V step
10
ns
Overdrive Recovery Time
VIN = 0 V to 2.5 V ramp, G = 2
19
ns
NOISE/HARMONIC PERFORMANCE
See Figure 51 for distortion test circuit
Second Harmonic
VOUT, dm = 2 V p-p
1 MHz
108
dBc
10 MHz
107
dBc
20 MHz
98
dBc
50 MHz
82
dBc
Third Harmonic
VOUT, dm = 2 V p-p
1 MHz
124
dBc
10 MHz
114
dBc
20 MHz
99
dBc
50 MHz
83
dBc
IMD3
f1 = 30 MHz, f2 = 30.1 MHz, VOUT, dm = 2 V p-p
94
dBc
Voltage Noise (Referred to Input)
f = 1 MHz
Gain = 1
9.2
nV/√Hz
Gain = 2
12.5
nV/√Hz
Gain = 3
16.6
nV/√Hz
Crosstalk (ADA4950-2)
f = 10 MHz; Channel 2 active, Channel 1
output
87
dB
INPUT CHARACTERISTICS
Offset Voltage (Referred to Input)
V+DIN = VDIN = VOCM = 2.5 V
4
±0.4
+4
mV
TMIN to TMAX variation
3.7
V/°C
Input Capacitance
Single-ended at package pin
0.5
pF
Input Common-Mode Voltage Range
Directly at internal amplifier inputs, not
external input terminals
–VS + 0.2 to
+VS – 1.8
V
CMRR
DC, VOUT, dm/VIN, cm, VIN, cm = ±1 V
64
49
dB
Open-Loop Gain
64
66
dB
OUTPUT CHARACTERISTICS
Output Voltage Swing
Maximum VOUT, single-ended output,
RL = 1 k
–VS + 1.2 to
+VS – 1.2
–VS + 1.1 to
+VS – 1.1
V
Linear Output Current
200 kHz, RL, dm = 10 , SFDR = 67 dB
70
mA peak
Output Balance Error
VOUT, cm/VOUT, dm, VOUT, dm = 1 V p-p, 1 MHz;
see Figure 50 for output balance test circuit
62
dB
Gain Error
Gain = 1
0.5
1.2
%
Gain = 2
1.0
1.9
%
Gain = 3
0.8
1.7
%
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