参数资料
型号: ISL26320FBZ-T7A
厂商: Intersil
文件页数: 7/23页
文件大小: 0K
描述: IC ADC 12BIT SPI/SRL 250K 8SOIC
标准包装: 250
位数: 12
采样率(每秒): 250k
数据接口: 串行,SPI?
转换器数目: 1
功率耗散(最大): 80mW
电压电源: 单电源
工作温度: -40°C ~ 125°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)
输入数目和类型: 1 个差分,单极
ISL26320, ISL26321, ISL26322, ISL26323, ISL26324, ISL26325, ISL26329
15
FN8273.1
September 5, 2013
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 ISL26320/ISL26323 IS DERIVED FROM VDD
VDD
1F (SEE VOLTAGE REFERENCE INPUT)
BULK
+2.7V TO +5V
ISL26320
ISL26323
TABLE 1. OUTPUT CODES - DIFFERENTIAL
Input Voltage
Two’s Complement (12-bit)
>(VFS-1.5 LSB)
7FF
VFS-1.5 LSB
7FF
...
7FE
-0.5 LSB
000
FFF
-VFS +0.5 LSB
801
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
FFE
0.5 LSB
001
000
<0.5 LSB
000
NOTE: Single-ended full scale is equal to VREF.
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