参数资料
| 型号： | AD8273ARZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 10/16页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO 2CH DIFF 14SOIC |
| 标准包装： | 2,500 |
| 放大器类型： | 音频 |
| 电路数： | 2 |
| 转换速率： | 20 V/µs |
| 增益带宽积： | 20MHz |
| 电压 - 输入偏移： | 100µV |
| 电流 - 电源： | 2.5mA |
| 电流 - 输出 / 通道： | 100mA |
| 电压 - 电源，单路/双路(±)： | 5 V ~ 36 V，±2.5 V ~ 18 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SOIC |
| 包装： | 带卷 (TR) |
AD8273
Rev. B | Page 3 of 16
SPECIFICATIONS
VS = ±15 V, VREF = 0 V, TA = 25°C, G = , RL = 2 kΩ, unless otherwise noted.
Table 2.
Parameter
Conditions
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
Bandwidth
20
MHz
Slew Rate
20
V/μs
Settling Time to 0.1%
10 V step on output, CL = 100 pF
670
750
ns
Settling Time to 0.01%
10 V step on output, CL = 100 pF
750
800
ns
Channel Separation
f = 1 kHz
130
dB
NOISE/DISTORTION1
THD + Noise (THD + N)
f = 1 kHz, VOUT = 10 V p-p, 600 Ω load
0.00025
%
20 kHz BW
106
dBu
Output Voltage Noise (Referred to Output)
f = 20 Hz to 20 kHz
3.5
μV rms
f = 1 kHz
26
nV/√Hz
GAIN
Gain Error
0.05
%
Gain Drift
40°C to +85°C
2
10
ppm/°C
Gain Nonlinearity
VOUT = 10 V p-p, 600 Ω load
2
ppm
INPUT CHARACTERISTICS
Referred to output
100
700
μV
vs. Temperature
40°C to +85°C
3
μV/°C
vs. Power Supply
VS = ±2.5 V to ±18 V
2
5
μV/V
Common-Mode Rejection Ratio
VCM = ±40 V, RS = 0 Ω, referred to input
77
86
dB
Input Voltage Range4
3VS + 4.5
+3VS 4.5
V
Impedance5
Differential
VCM = 0 V
36
kΩ
Common Mode6
9
kΩ
OUTPUT CHARACTERISTICS
Output Swing
VS + 1.5
+VS 1.5
V
Short-Circuit Current Limit
Sourcing
100
mA
Sinking
60
mA
Capacitive Load Drive
G =
200
pF
G = 2
1200
pF
POWER SUPPLY
Supply Current (per Amplifier)
2.5
mA
TEMPERATURE RANGE
Specified Performance
40
+85
°C
1 Includes amplifier voltage and current noise, as well as noise of internal resistors.
2 dBu = 20 log (V rms/0.7746).
3 Includes input bias and offset current errors.
4 May also be limited by absolute maximum input voltage or by the output swing. See the A
details.
5 Internal resistors are trimmed to be ratio matched but have ±20% absolute accuracy.
6 Common mode is calculated looking into both inputs. Common-mode impedance looking into only one input is 18 kΩ.
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