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MAX191 Datasheet(PDF) 13 Page - Maxim Integrated Products

Part # MAX191
Description  Low-Power, 12-Bit Sampling ADC with Internal Reference and Power-Down
PDF  24 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX191 Datasheet(HTML) 13 Page - Maxim Integrated Products

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Low-Power, 12-Bit Sampling ADC
with Internal Reference and Power-Down
______________________________________________________________________________________
13
Table 1. Data-Bus Output, CS = RD = Low
PIN NAME
D7/DOUT
D4
D3/D11
D2/D10
D1/D9
D0/D8
D7
D6
D5
D4
D3
D2
D1
D0
HBEN = 1, PAR = 1,
PARALLEL MODE
Low
Low
Low
Low
D11
D10
D9
D8
DOUT
SCLKOUT
SSTRB
Low
Low
Low
Low
Low
HBEN = X, PAR = 0,
SERIAL MODE, RD = 1
DOUT
Three-
Stated
Low
Low
Low
Low
Low
D6/SCLKOUT
D5/SSTRB
Three-
Stated
HBEN = X, PAR = 0,
SERIAL MODE, RD = 0
Note:
D7/DOUT–D0/D8 are the ADC data output pins.
D11–D0 are the 12-bit conversion results. D11 is the MSB.
DOUT = Three-state data output. Data output in serial mode.
SCLKOUT = Three-state data output. Clock output in serial mode.
SSTRB = Three-state data output. Strobe output in serial mode.
Table 2. Slow-Memory Mode, 2-Byte Read Data-Bus Status
HBEN = 0, PAR = 1,
PARALLEL MODE
PIN NAME
D7/DOUT
D6/SCLKOUT
D5/SSTRB
D4
D3/D11
D2/D10
D1/D9
D0/D8
FIRST READ (New Data)
D7
D6
D5
D4
D3
D2
D1
D0
Low
Low
Low
Low
D11
D10
D9
D8
SECOND READ (New Data)
Table 3. ROM Mode, 2-Byte Read Data-Bus Status
PIN NAME
D7/DOUT
D6/SCLKOUT
D5/SSTRB
D4
D3/D11
D2/D10
D1/D9
D0/D8
D7
D6
D5
D4
D3
D2
D1
D0
SECOND READ (New Data)
Low
Low
Low
Low
D11
D10
D9
D8
THIRD READ (New Data)
D7
D6
D5
D4
D3
D2
D1
D0
Table 4. ROM Mode, 2-Byte Read Data-Bus Status without Starting a Conversion Cycle
PIN NAME
D7/DOUT
D6/SCLKOUT
D5/SSTRB
D4
D3/D11
D2/D10
D1/D9
D0/D8
FIRST READ (Old Data)
D7
D6
D5
D4
D3
D2
D1
D0
SECOND READ (New Data)
D7
D6
D5
D4
D3
D2
D1
D0
THIRD READ (New Data)
Low
Low
Low
Low
D11
D10
D9
D8
FIRST READ (Old Data)



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