参数资料
型号: ADA4932-2YCPZ-R2
厂商: Analog Devices Inc
文件页数: 11/29页
文件大小: 0K
描述: IC AMP DIFF DUAL LP 80MA 24LFCSP
特色产品: ADA4932-x Low Power Differential ADC Driver
标准包装: 1
放大器类型: 差分
电路数: 2
输出类型: 差分
转换速率: 2800 V/µs
-3db带宽: 560MHz
电流 - 输入偏压: 2.5µA
电压 - 输入偏移: 500µV
电流 - 电源: 9.6mA
电流 - 输出 / 通道: 80mA
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: 24-VFQFN 裸露焊盘,CSP
供应商设备封装: 24-LFCSP-VQ(4x4)
包装: 标准包装
产品目录页面: 765 (CN2011-ZH PDF)
其它名称: ADA4932-2YCPZ-R2DKR
ADA4932-1/ADA4932-2
Data Sheet
TERMINOLOGY
+IN
–IN
+OUT
–OUT
+DIN
–FB
+FB
–DIN
VOCM
RG
RF
RG
VOUT, dm
RL, dm
RF
ADA4932-x
07752-
046
Figure 55. Signal and Circuit Definitions
Differential Voltage
Differential voltage refers to the difference between two
node voltages. For example, the output differential voltage (or
equivalently, output differential mode voltage) is defined as
VOUT, dm = (V+OUT VOUT)
where V+OUT and VOUT refer to the voltages at the +OUT and
OUT terminals with respect to a common ground reference.
Similarly, the differential input voltage is defined as
VIN, dm = (+DIN (DIN))
Common-Mode Voltage
Common-mode voltage refers to the average of two node voltages
with respect to the local ground reference. The output common-
mode voltage is defined as
VOUT, cm = (V+OUT + VOUT)/2
Balance
Output balance is a measure of how close the output differential
signals are to being equal in amplitude and opposite in phase.
Output balance is most easily determined by placing a well-
matched resistor divider between the differential voltage nodes
and comparing the magnitude of the signal at the divider midpoint
with the magnitude of the differential signal (see Figure 53). By
this definition, output balance is the magnitude of the output
common-mode voltage divided by the magnitude of the output
differential mode voltage.
dm
OUT
cm
OUT
V
Error
Balance
Output
,
=
Rev. C | Page 18 of 28
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