参数资料
型号: PGA112AIDGSRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO10
封装: GREEN, PLASTIC, MSOP-10
文件页数: 20/47页
文件大小: 1545K
代理商: PGA112AIDGSRG4
SPI COMMANDS
www.ti.com ............................................................................................................................................ SBOS424B – MARCH 2008 – REVISED SEPTEMBER 2008
Table 3. SPI Commands (PGA112/PGA113)(1)(2)
THREE-WIRE
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
SPI COMMAND
0
1
0
1
0
1
0
READ
0
1
0
1
0
1
0
G3
G2
G1
G0
CH3
CH2
CH1
CH0
WRITE
0
NOP WRITE
SDN_DIS
1
0
1
0
WRITE
1
0
1
0
1
SDN_EN WRITE
(1)
SDN = Shutdown mode. Enter Shutdown mode by issuing an SDN_EN command. Shutdown mode is cleared (returned to the last valid
write configuration) by a SDN_DIS command or by any valid Write command.
(2)
POR (Power-on-Reset) value of internal Gain/Channel Select Register is all 0s; this value sets Gain = 1, and Channel = VCAL/CH0.
Table 4. SPI Daisy-Chain Commands(1)(2)
DAISY-CHAIN
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
COMMAND
0
1
0
NOP
1
0
1
0
SDN_DIS
1
0
1
0
1
SDN_EN
0
1
0
1
0
READ
0
1
0
1
0
G3
G2
G1
G0
CH3
CH2
CH1
CH0
WRITE
(1)
SDN = Shutdown Mode. Shutdown Mode is entered by an SDN_EN command. Shutdown Mode is cleared (returned to the last valid
write configuration) by a SDN_DIS command or by any valid Write command.
(2)
POR (Power-on-Reset) value of internal Gain/Channel Register is all 0s; this value sets Gain = 1, VCAL/CH0 selected.
Table 5. Gain Selection Bits (PGA112/PGA113)
G3
G2
G1
G0
BINARY GAIN
SCOPE GAIN
0
1
0
1
2
0
1
0
4
5
0
1
8
10
0
1
0
16
20
0
1
0
1
32
50
0
1
0
64
100
0
1
128
200
Copyright 2008, Texas Instruments Incorporated
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Product Folder Link(s): PGA112 PGA113 PGA116 PGA117
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