MCP4706A0T-E/CH Microchip Technology, MCP4706A0T-E/CH Datasheet - Page 54

• Manufacturer Part Number: MCP4706A0T-E/CH
• Description: Single, 8-bit NV DAC With Ext Vref And I2C Interface 6 SOT-23 T/R
• Manufacturer: Microchip Technology
• Series: -r

Specifications of MCP4706A0T-E/CH

• Number Of Converters: 1
• Conversion Rate: 1
• Resolution: 8 bit
• Interface Type: I2C
• Settling Time: 6 us
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-23-6
• Maximum Power Dissipation: 452 mW
• Minimum Operating Temperature: - 40 C
• Supply Current: 210 uA
• Number Of Bits: 8
• Data Interface: EEPROM, I²C, Serial
• Voltage Supply Source: Single Supply
• Power Dissipation (max): 452mW
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Number Of Outputs And Type: *
• Lead Free Status / Rohs Status: Details

MCP4706/4716/4726
6.5
This command reads all the device memory. This
includes the volatile and nonvolatile (EEPROM) DAC
Register values and configuration bits, and the volatile
status bits.
This command is executed when the I
Read/Write bit is a ‘1’ (read).
FIGURE 6-5:
DS22272A-page 54
Note 1:
SDA
SCL
Legend:
MCP4726
MCP4716
2:
3:
4:
READ COMMAND
S
Start bit
ACK bit generated by MCP47X6.
ACK bit generated by I
ACK/NACK bit generated by I
The 2nd - 7th bytes can be repeated after the 7th byte by continued clocking before issuing Stop bit.
RDY POR
Vol.
Status
bits
RDY POR
Vol.
Status
bits
1
D09:D00 = 10-bit data for MCP4716 device
D11:D00 = 12-bit data for MCP4726 device
Device Addressing
1
D11 D10 D09 D08 D07 D06 D05 D04 D03 D02 D01 D00
D09 D08 D07 D06 D05 D04 D03 D02 D01 D00
b15 b14 b13 b12 b11 b10 b09 b08 b07 b06 b05 b04 b03 b02 b01 b00
0
1
0
VREF1
VREF1
Vol. Configuration
bits
Read Command Format for 12-bit DAC (MCP4726) and 10-bit DAC (MCP4716).
NV Configuration
bits
0
A2 A1 A0
VREF0
VREF0
PD1 PD0 G
PD1 PD0 G
2
C Master.
Data bits (16 bits) (3rd + 4th bytes, and 6th + 7th bytes)
ACK bit
ACK bit
R/W
2
2
C Master.
1
Read/Write bit (Read)
C control byte’s
A
A
A
ACK bit
0
0
0
(4)
(4)
b15 b14 b13 b12 b11 b10 b09
b15 b14 b13 b12 b11 b10 b09
Vol. Data bits (8 bits) (3rd byte)
NV Data bits (8 bits) (6th byte)
(3)
This command has two different formats based on the
resolution of the device. The 12-bit and 10-bit devices
use the format in
the format in
The 2nd byte (configuration bits) indicates the current
condition of the device operation. The RDY/BSY bit
indicates EEPROM writing status.
0
ACK bit
ACK bit
b08
b08
0
A
A
0
0
(4)
(4)
0
0
Figure
b07 b06 b05 b04 b03 b02 b01 b00
b07 b06 b05 b04 b03 b02 b01 b00
Vol. Data bits (8 bits) (4th byte)
NV Data bits (8 bits) (7th byte)
Figure
0
0
6-6.
0
0
© 2011 Microchip Technology Inc.
6-5, while the 8-bit device uses
0
0
ACK/NACK bit
ACK bit
(5)
A/N
Note 1
0/1
A
Stop bit
0
(4)
P