MCP3901A0-I/SS Microchip Technology, MCP3901A0-I/SS Datasheet - Page 45

• Manufacturer Part Number: MCP3901A0-I/SS
• Description: IC AFE 24BIT 64KSPS 20-SSOP
• Manufacturer: Microchip Technology

Specifications of MCP3901A0-I/SS

• Number Of Bits: 24
• Number Of Channels: 2
• Power (watts): 10mW
• Voltage - Supply, Analog: 4.5 V ~ 5.5 V
• Voltage - Supply, Digital: 2.7 V ~ 5.5 V
• Package / Case: 20-SSOP
• Ic Function: Analog Front End Device IC
• Supply Voltage Range: 4.5V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: SSOP
• No. Of Pins: 20
• Supply Voltage Max: 5.5V
• Output Voltage: 0.4 V
• Output Power: 14 mW
• Input Voltage: 4.5 V to 5.5 V, 2.7 V to 5.5 V
• Switching Frequency: 4 MHz
• Mounting Style: SMD/SMT
• Number Of Outputs: 2
• No. Of Channels: 2
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: MCP3901AO-I/SS; MCP3901AO-I/SS

7.4
This registers contains the settings for the PGA gains
for each channel as well as the BOOST options for
each channel.
REGISTER 7-4:
© 2010 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-5
bit 4-3
bit 2-0
PGA_CH1
R/W-0
<2>
Gain Configuration Register
PGA_CH1<2:0>: PGA Setting for Channel 1 bits
111 = Reserved (Gain = 1)
110 = Reserved (Gain = 1)
101 = Gain is 32
100 = Gain is 16
011 = Gain is 8
010 = Gain is 4
001 = Gain is 2
000 = Gain is 1
BOOST_CH<1:0> Current Scaling for High-Speed Operation bits
11 = Both channels have current x 2
10 = Channel 1 has current x 2
01 = Channel 0 has current x 2
00 = Neither channel has current x 2
PGA_CH0<2:0>: PGA Setting for Channel 0 bits
111 = Reserved (Gain = 1)
110 = Reserved (Gain = 1)
101 = Gain is 32
100 = Gain is 16
011 = Gain is 8
010 = Gain is 4
001 = Gain is 2
000 = Gain is 1
PGA_CH1
R/W-0
<1>
GAIN CONFIGURATION REGISTER (GAIN): ADDRESS 0x08
W = Writable bit
‘1’ = Bit is set
PGA_CH1
R/W-0
<0>
BOOST_
R/W-0
CH1
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
BOOST_
R/W-0
CH0
PGA_CH0
R/W-0
<2>
x = Bit is unknown
PGA_CH0
R/W-0
MCP3901
<1>
DS22192C-page 45
PGA_CH0
R/W-0
<0>
bit 0