参数资料
| 型号： | X96012V14IZT1 |
| 厂商： | Intersil |
| 文件页数： | 8/23页 |
| 文件大小： | 0K |
| 描述： | IC BIAS CTRLR UNIV SNSR 14-TSSOP |
| 标准包装： | 2,500 |
| 类型： | 传感器调节器 |
| 输入类型： | 电压 |
| 输出类型： | 电压 |
| 接口： | 2 线 |
| 电流 - 电源： | 15mA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 14-TSSOP |
| 包装： | 带卷 (TR) |
16
FN8216.3
February 20, 2008
The A/D converter is shared between the two current
generators but the look-up tables, D/A converters, control
bits, and selection bits can be set completely independently.
Bits D1DAS and D2DAS are used to bypass the A/D
converter and look-up tables, allowing direct access to the
inputs of the D/A converters with the bytes in control
registers 3 and 4 respectively. See Figure 9 and the
descriptions of the control bits starting on page 9.
Bits I1DS and I2DS in Control Register 0 select the direction
of the currents through pins I1 and I2 independently See
Figure 8 and the descriptions of the control bits starting on
Power-on Reset
When power is applied to the VCC pin of the X96012, the
device undergoes a strict sequence of events before the
current outputs of the D/A converters are enabled.
When the voltage at VCC becomes larger than the power-on
reset threshold voltage (VPOR), the device recalls all control
bits from non-volatile memory into volatile registers. Next,
the analog circuits are powered up. When the voltage at Vcc
becomes larger than a second voltage threshold (VADCOK),
the ADC is enabled. In the default case, after the ADC
performs four consecutive conversions with the same exact
result, the ADC output is used to select a byte from each
look-up table. Those bytes become the input of the DACs.
D1
D0
SELECT
ADC
AD[7:0]
LUT1 ROW
LUT2 ROW
OUT
D1
D0
SELECT
VOLTAGE
VOLTAGE INPUT
SELECTION BITS
REFERENCE
OUT
L2DA[5:0]:
CONTROL
REGISTER 2
L1DA[5:0]:
CONTROL
REGISTER 1
L2DAS: BIT 6 IN
CONTROL REGISTER 5
L1DAS: BIT 4 IN
CONTROL REGISTER 5
6
STATUS
REGISTER
FIGURE 10. LOOK-UP TABLE ADDRESSING
8
IX
IX X 10%
ADC TIME
CURRENT
TIME
VCC
VADCOK
0V
VOLTAGE
FIGURE 11. D/A CONVERTER POWER-ON RESET RESPONSE
X96012
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