Datasheet

Control 2 Register (Read/Write)
The CTRL2 register is an 8-bit read/write register. The byte written to the CTRL2 register determines the digital and
analog gain settings, and whether the buffers or PGA is enabled.
BIT B07 B06 B05 B04 B03 B02 B01 B00
BIT NAME DGAIN1 DGAIN0 BUFEN LPMODE PGAEN PGAG2 PGAG1 PGAG0
DEFAULT 0 0 0 0 0 0 0 0
BIT DEFAULT LABEL FUNCTION
00 0 PGA0
000
001
010
011
100
101
110
111
X1 PGA Gain-Setting bits
X2
X4
X8
X16
X32
X64
X128
01 0 PGA1
02 0 PGA2
03 0 PGAEN PGA Enable Bit. Set PGAEN = 1 to enable the PGA. Set PGAEN = 0 to disable the PGA.
04 0 LPMODE PGA Low Power. Set LPMODE = 1 for lower power. Set LPMODE = 0 for standard power.
05 0 BUFEN
Analog input buffer enable bit. Set BUFEN = 1 to enable the analog input buffers. Set BUFEN
= 0 to disable the analog input buffers.
06 0 DGAIN0
00 x1 Modulator Digital Gain Bits
01 x2
07 0 DGAIN1
10 x4
11 x8
MAX11270 24-Bit, 10mW, 130dB SNR, 64ksps Delta-Sigma
ADC with Integrated PGA
www.maximintegrated.com
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