Datasheet

MAX19706
10-Bit, 22Msps, Ultra-Low-Power
Analog Front-End
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Table 4. Power-Management Modes
ADDRESS DATA BITS T/R
A3 A2 A1 A0 E9* E3 E2 E1 E0 PIN 27
MODE
FUNCTION
(POWER
MANAGEMENT
)
DESCRIPTION COMMENT
1X000 X SHDN SHUTDOWN
Rx ADC = OFF
Tx DAC = OFF
Aux-DAC = OFF
Aux-ADC = OFF
CLK = OFF
REF = OFF
Device is in complete
shutdown.
Overrides T/R pin.
XX001 X IDLE IDLE
Rx ADC = OFF
Tx DAC = OFF
Aux-DAC = Last State
CLK = ON
REF = ON
Fast turn-on time.
Moderate idle power.
Overrides T/R pin.
0000
(16-Bit Mode)
or
1000
(8-Bit Mode)
1X010 X STBY STANDBY
Rx ADC = OFF
Tx DAC = OFF
Aux-DAC = Last State
Aux-ADC = OFF
CLK = OFF
REF = ON
Slow turn-on time.
Low standby power.
Overrides T/R pin.
X = Don’t care.
*Bit E9 is not available in 8-bit mode.
Table 3. MAX19706 Mode Control
D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 A3 A2 A1 A0
REGISTER
NAME
(MSB) 15 14 13 12 11 10 9 8 7 6 5 4321 (LSB)
ENABLE-16
E11 = 0
Reserved
E10 = 0
Reserved
E9 — — E6 E5 E4 E3 E2 E1 E0 0 0 0 0
Aux-DAC1 1D11 1D10 1D9 1D8 1D7 1D6 1D5 1D4 1D3 1D2 1D1 1D0 0 0 0 1
Aux-DAC2 2D11 2D10 2D9 2D8 2D7 2D6 2D5 2D4 2D3 2D2 2D1 2D0 0 0 1 0
Aux-DAC3 3D11 3D10 3D9 3D8 3D7 3D6 3D5 3D4 3D3 3D2 3D1 3D0 0 0 1 1
IOFFSET — — — — — — IO5 IO4 IO3 IO2 IO1 IO0 0 1 0 0
QOFFSET — — — — — — QO5 QO4 QO3 QO2 QO1 QO0 0 1 0 1
COMSEL — — — — — — — — — — CM1 CM0 0 1 1 0
Aux-ADC
AD11 = 0
Reserved
AD10 AD9 AD8 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 0 1 1 1
ENABLE-8 — — — — — — — — E3 E2 E1 E0 1 0 0 0
— = Not used.