参数资料
| 型号： | CDB5378 |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | EVALUATION BOARD FOR CS5378 |
| 标准包装： | 1 |
| 主要目的： | 地震评估系统 |
| 嵌入式： | 是，MCU，8 位 |
| 已用 IC / 零件： | CS3301A，CS5373A，CS5378 |
| 主要属性： | 单路数字滤波器 |
| 次要属性： | 图形用户接口，SPI? 和 USB 接口 |
| 已供物品： | 板，线缆 |
| 相关产品： | CS5373A-ISZR-ND - IC DAC/MODULATOR LP/HP 28-SSOP CS3301-ISZR-ND - IC DIFF AMP PROG LN 24-SSOP CS3301-ISZ-ND - IC DIFF AMP PROG LN 24-SSOP |
CS3301A
Low-noise, Programmable Gain, Differential Amplifier
Features & Desription
Signal Bandwidth: DC to 2 kHz
Selectable Gain: x1, x2, x4, x8, x16, x32, x64
Description
The CS3301A is a low-noise differential input, dif-
ferential output amplifier with programmable gain,
optimized for amplifying signals from low-imped-
?
?
?
?
Differential Inputs, Differential Outputs
Multiplexed inputs: INA, INB, 800 ? termination
Rough / fine outputs for CS5371A / 72A / 73A
Max signal amplitude: 5 V pp differential
Low input bias: 1 nA typical
ance sensors such as geophones. The gain
settings are binary weighted (x1, x2, x4, x8, x16,
x32, x64) and are selected using simple pin set-
tings. Two sets of external inputs, INA and INB,
simplify system design as inputs from a sensor and
Outstanding Noise Performance
? 8.5 nV/ Hz from 0.1 Hz to 2 kHz
? 0.180 μ V p-p between 0.1 Hz and 10 Hz
Low Total Harmonic Distortion
? -121 dB THD typical (0.0000891%)
? -112 dB THD maximum (0.0002512%)
Low Power Consumption
? Normal operation: 5.5 mA typical
? Power down: 10 μ A typical
Small 24-pin SSOP Package
Bipolar Power Supply Configuration
? VA+ = +2.5 V; VA- = -2.5 V; VD = +3.3 V
test DAC. An internal 800 ? termination can also be
selected for noise tests.
Amplifier noise performance is outstanding with a
noise density of 8.5 nV/ Hz over the 0.1 Hz to
2 kHz bandwidth. Distortion performance is also ex-
tremely good, typically -121 dB THD at x1 gain. Flat
noise down to 0.1 Hz and low total harmonic distor-
tion make this amplifier ideal for low-frequency,
low-amplitude, differential signals requiring maxi-
mum dynamic range.
ORDERING INFORMATION
VA+
CLK
VD
INA+
INB+
+
OUTR+
MUX0
MUX1
INA-
-
-
OUTF+
GAIN0
GAIN1
GAIN2
OUTF-
OUTR-
INB-
+
VA-
PWDN
Copyright ? Cirrus Logic, Inc. 2007
(All Rights Reserved)
GND
MAR ‘07
DS757F1
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