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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉(h脿o)锛� | ADA4938-1ACPZ-RL |
| 寤犲晢锛� | Analog Devices Inc |
| 鏂囦欢闋佹暩(sh霉)锛� | 10/28闋� |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC ADC DRIVER DIFF 16-LFCSP |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 5,000 |
| 椤炲瀷锛� | ADC 椹�(q奴)鍕�(d貌ng)鍣� |
| 鎳�(y墨ng)鐢細 | 鏁�(sh霉)鎿�(j霉)閲囬泦 |
| 瀹夎椤炲瀷锛� | 琛ㄩ潰璨艰 |
| 灏佽/澶栨锛� | 16-VFQFN 瑁搁湶鐒婄洡锛孋SP |
| 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 | 16-LFCSP-VQ |
| 鍖呰锛� | 甯跺嵎 (TR) |
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ADA4938-1/ADA4938-2
Rev. A | Page 18 of 28
TERMINOLOGY
ADA4938
+IN
鈥揑N
+OUT
鈥揙UT
鈥揊B
+FB
VOCM
RG
RF
RG
VOUT, dm
RL, dm
RF
06
59
2-
0
04
Common-Mode Voltage
The common-mode voltage is the average of two node voltages.
The output common-mode voltage is defined as
VOUT, cm = (V+OUT + VOUT)/2
Balance
Balance is a measure of how well differential signals are matched in
amplitude and are exactly 180掳 apart in phase. 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 midpoint of the divider with
the magnitude of the differential signal. By this definition,
output balance is the magnitude of the output common-mode
voltage divided by the magnitude of the output differential
mode voltage.
Figure 57. Circuit Definitions
Differential Voltage
The differential voltage is 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 reference.
dm
OUT
cm
OUT
V
Error
Balance
Output
,
=
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