15 FN7549.2 February 26, 2014 FIGURE 27. PRECISION VOLTAGE REFERENCE FOR +" />
鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� ISL26313FBZ-T7A
寤犲晢锛� Intersil
鏂囦欢闋佹暩(sh霉)锛� 7/23闋�
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC ADC 12BIT SPI/SRL 125K 8SOIC
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 250
浣嶆暩(sh霉)锛� 12
閲囨ǎ鐜囷紙姣忕锛夛細 125k
鏁�(sh霉)鎿�(j霉)鎺ュ彛锛� 涓茶锛孲PI?
杞�(zhu菐n)鎻涘櫒鏁�(sh霉)鐩細 1
鍔熺巼鑰楁暎锛堟渶澶э級锛� 80mW
闆诲闆绘簮锛� 鍠浕婧�
宸ヤ綔婧害锛� -40°C ~ 125°C
瀹夎椤炲瀷锛� 琛ㄩ潰璨艰
灏佽/澶栨锛� 8-SOIC锛�0.154"锛�3.90mm 瀵級
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 8-SOIC
鍖呰锛� 甯跺嵎 (TR)
杓稿叆鏁�(sh霉)鐩拰椤炲瀷锛� 2 鍊�(g猫)鍠锛屽柈妤�
ISL26310, ISL26311, ISL26312, ISL26313, ISL26314, ISL26315, ISL26319
15
FN7549.2
February 26, 2014
FIGURE 27. PRECISION VOLTAGE REFERENCE FOR +5V SUPPLY
1
2
3
4
8
7
6
5
DNC
VIN
COMP
GND
DNC
VOUT
TRIM
0.1F
VDD
1F (SEE VOLTAGE REFERENCE INPUT)
2.5V
VREF
0.1F
BULK
+
5V
ISL21090
ISL2631X
ISL2632X
FIGURE 28. VOLTAGE REFERENCE FOR +2.7V TO +3.6V, OR FOR +5V SUPPLY
VDD
1F (SEE VOLTAGE REFERENCE INPUT)
VREF
0.1F
BULK
+
+2.7V TO +3.6V
ISL21010
GND
VIN
VOUT
1
2
3
0.1F
1.25, 2.048 OR 2.5V
OR +5V
ISL2631X
ISL2632X
FIGURE 29. VOLTAGE REFERENCE FOR ISL26310/313 IS DERIVED FROM VDD
VDD
1F (SEE VOLTAGE REFERENCE INPUT)
BULK
+2.7V TO +5V
ISL26310
ISL26313
TABLE 1. OUTPUT CODES - DIFFERENTIAL
INPUT VOLTAGE
TWO鈥橲 COMPLEMENT (12-bit)
>(VFS - 1.5 LSB)
7FF
VFS - 1.5 LSB
7FF
...
7FE
-0.5 LSB
000
鈥�
FFF
-VFS +0.5 LSB
801
鈥�
800
NOTE: VFS in the table above equals the voltage between AIN+ and AIN-.
Differential full scale is equal to 2* VREF.
TABLE 2. OUTPUT CODES - SINGLE-ENDED
INPUT VOLTAGE
BINARY (12-bit)
>AIN - 1.5 LSB
FFF
AIN - 1.5 LSB
FFF
鈥�
FFE
0.5 LSB
001
鈥�
000
<0.5 LSB
000
NOTE: Single-ended full scale is equal to VREF.
鐩搁棞(gu膩n)PDF璩囨枡
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鐩搁棞(gu膩n)浠g悊鍟�/鎶€琛�(sh霉)鍙冩暩(sh霉)
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