参数资料
型号: LTC2991IMS#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封装: LEAD FREE, PLASTIC, MSOP-16
文件页数: 13/32页
文件大小: 230K
代理商: LTC2991IMS#PBF
LTC2991
20
2991f
APPLICATIONS INFORMATION
Table 3. STATUS LOW (00h) Register
BIT
NAME
OPERATION
b7
V8, T4, V7 – V8 Ready
1 = V8 Register Contains New Data, 0 = V8 Register Data Old
b6
V7, T4, V7 – V8 Ready
1 = V7 Register Contains New Data, 0 = V7 Register Data Old
b5
V6, T3, V5 – V6 Ready
1 = V6 Register Contains New Data, 0 = V6 Register Data Old
b4
V5, T3, V5 – V6 Ready
1 = V5 Register Contains New Data, 0 = V5 Register Data Old
b3
V4, T2, V3 – V4 Ready
1 = V4 Register Contains New Data, 0 = V4 Register Data Old
b2
V3, T2, V3 – V4 Ready
1 = V3 Register Contains New Data, 0 = V3 Register Data Old
b1
V2, T1, V1 – V2 Ready
1 = V2 Register Contains New Data, 0 = V2 Register Data Old
b0
V1, T1, V1 – V2 Ready
1 = V1 Register Contains New Data, 0 = V1 Register Data Old
Table 4. STATUS HIGH, CHANNEL ENABLE (01h) Register (Default 00h)
BIT
NAME
R/W
OPERATION
b7
V7 and V8, V7 – V8, TR4 Enable
R/W
1 = V7 and V8, or V7 – V8 or T4 Enabled
0 = V7 and V8, or V7 – V8 or T4 Disabled (Default)
b6
V5 and V6, V5 – V6, TR3 Enable
R/W
1 = V5 and V6, or V5 – V6 or T3 Enabled
0 = V5 and V6, or V5 – V6 or T3 Disabled (Default)
b5
V3 and V4, V3 – V4, TR2 Enable
R/W
1 = V3 and V4, or V3 – V4 or T2 Enabled
0 = V3 and V4, or V3 – V4 or T2 Disabled (Default)
b4
V1 and V2, V1 – V2, TR1 Enable
R/W
1 = V1 and V2, or V1 – V2 or T1 Enabled
0 = V1 and V2, or V1 – V2 or T1 Disabled (Default)
b3
TINTERNAL VCC Enable
R/W
1 = TINTERNAL and VCC Enabled
0 = TINTERNAL and VCC Disabled (Default)
b2
BUSY
R
1 = A Conversion Is in Process
0 = Sleep Mode (Default)
b1
TINTERNAL
R
1 = TINTERNAL Register Contains New Data
0 = TINTERNAL Register Data Old (Default)
b0
VCC
R
1 = VCC Register Contains New Data
0 = VCC Register Data Old (Default)
Table 5. V1, V2 and V3, V4 CONTROL (06h) Register (Default 00h)
BIT
NAME
OPERATION
b7
V3, V4 Filt
1 = Filter Enabled, 0 = Filter Disabled for V3 and V4, V3 – V4 or T2 (Default)
b6
TR2 Kelvin
1 = Kelvin, 0 = Celsius for T2 (Default)
b5
V3, V4 Temperature
1 = Temperature, 0 = Voltage (Per b4 Setting) (Default)
b4
V3, V4 Differential 1
1 = Differential (V3 – V4) and V3 Single-Ended
0 = Single-Ended Voltage (V3 and V4) (Default)
b3
V1, V2 Filt
1 = Filter Enabled, 0 = Filter Disabled for V1 and V2, V1 – V2 or T1 (Default)
b2
TR1 Kelvin
1 = Kelvin, 0 = Celsius for T1 (Default)
b1
V1, V2 Temperature
1 = Temperature, 0 = Voltage (Per b0 Setting) (Default)
b0
V1, V2 Differential
1 = Differential (V1 – V2) and V1 Single-Ended
0 = Single-Ended Voltage (V1 and V2) (Default)
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