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参数资料
| 型号： | SSM2143SZ-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/10页 |
| 文件大小： | 0K |
| 描述： | IC AUDIO RX MONO AB DIFF 8SOIC |
| 标准包装： | 2,500 |
| 放大器类型： | 音频 |
| 电路数： | 1 |
| 转换速率： | 10 V/µs |
| -3db带宽： | 7MHz |
| 电压 - 输入偏移： | 50µV |
| 电流 - 电源： | 2.7mA |
| 电流 - 输出 / 通道： | 45mA |
| 电压 - 电源，单路/双路(±)： | ±6 V ~ 18 V |
| 工作温度： | -40°C ~ 85°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-SOIC |
| 包装： | 带卷 (TR) |
SSM2143
REV.
–8–
LINE DRIVER/RECEIVER SYSTEM
The SSM2143 and SSM2142 provide a fully integrated line driver/
receiver system. The SSM2142 is a high performance balanced
line driver IC that converts an unbalanced input into a balanced
output signal. It can drive large capacitive loads on long cables
making it ideal for transmitting balanced audio signals. When com-
bined with an SSM2143 on the receiving end of the cable, the sys-
tem maintains high common-mode rejection and ultralow THD.
The SSM2142 is designed with a gain of +2 and the SSM2143
with a gain of 1/2, providing an overall system gain of unity.
The following data demonstrates the typical performance of the
two parts together, measured on an Audio Precision at the
SSM2143’s output. This configuration was tested with 500 feet
Figure 30. THD+N vs. Frequency of SSM2142/SSM2143
System (VS =
±18 V, V
IN = 5 V rms, with 80 kHz Filter)
Figure 31. SSM2142/SSM2143 System Headroom–
See Text—(VS = ±18 V, RL = 10 k, 500' Cable)
Figure 32. SSM2142/SSM2143 System
DIM-100 Dynamic Intermodulation
Distortion (VS = ±18 V, RL = 10 k)
of cable between the ICs as well as no cable. The combination
of the two parts results in excellent THD+N and SNR and a noise
floor of typically –105 dB over a 20 Hz to 20 kHz bandwidth.
A comment on SSM2142/SSM2143 system headroom is neces-
sary. Figure 31 shows a maximum signal handling of approximately
±22 dBu, but it must be kept in mind that this is measured be-
tween the SSM2142’s input and SSM2143’s output, which has
been attenuated by one half. Normally, the system would be shown
as actually used in a piece of equipment, whereby the SSM2143 is
at the input and SSM2142 at the output. In this case, the system
could handle differential signals in excess of +24 dBu at the input
and output, which is consistent with headroom requirements of
most professional audio equipment.
Figure 33. SSM2142/SSM2143 System Frequency
Response (VS = ±18 V, VIN = 0 dBV, 500' Cable)
10
90
100
0%
5V
10
s
Figure 34. SSM2142/SSM2143 System Large Signal Pulse
Response (VS = ±18 V, RL = 10 k, No Cable)
PRINTED
IN
U.S.A.
500' CABLE
NO CABLE
500' CABLE
NO CABLE
A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SSM2160 | 制造商:AD 制造商全称:Analog Devices 功能描述:6-Channel, Serial Input Master/Balance Volume Controls |
| SSM2160_03 | 制造商:AD 制造商全称:Analog Devices 功能描述:6-Channel, Serial Input Master/Balance Volume Controls |
| SSM2160N | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Tone/Volume/Balance Control |
| SSM2160P | 制造商:Rochester Electronics LLC 功能描述:6 CHANNEL VOLUME CONTROL - Bulk |
| SSM2160R | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Tone/Volume/Balance Control |
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