MCP47FXBX4/8
8/10/12-Bit Quad/Octal Voltage Output, 6 LSb INL
Digital-to-Analog Converters with I²C Interface
Features
Package Types
• Operating Voltage Range:
- 2.7V to 5.5V - Full specifications
- 1.8V to 2.7V - Reduced device specifications
• Output Voltage Resolutions:
A1
V
A0 1
15
14
13
12
MCP47FXBX4
20-Lead VQFN
5x5 mm Quad
-
8-bit: MCP47FXB0X (256 steps)
VREF0
2
3
4
5
REF1
- 10-bit: MCP47FXB1X (1024 steps)
- 12-bit: MCP47FXB2X (4096 steps)
• Rail-to-Rail Output
21 EP(1)
VOUT0
VOUT2
NC
V
V
OUT1
OUT3
11 NC
• Fast Settling Time of 7.8 µs (Typical)
• DAC Voltage Reference Source Options:
- Device VDD
- External VREF pin (buffered or unbuffered)
- Internal band gap (1.22V typical)
• Output Gain Options:
LAT1 1
20 LAT0/HVC
19 SDA
18 SCL
17 A1
VDD
2
A0 3
VREF0 4
MCP47FXBX4
20-Lead TSSOP
Quad
- 1x (unity)
VOUT0
5
16 VREF1
15 VOUT1
14 VOUT3
13 NC
- 2x (available when not using internal VDD as
voltage source)
VOUT2 6
NC
NC
7
8
• Nonvolatile Memory (EEPROM) Option:
VSS 9
- User-programmed Power-on Reset
(POR)/Brown-out Reset (BOR) output setting
and device Configuration bits recall
12 NC
NC 10
11 NC
- Auto recall of saved DAC register setting
- Auto recall of saved device configuration
(voltage reference, gain, power-down)
• Power-on/Brown-out Reset Protection
• Power-Down Modes:
A0 1
15 A1
MCP47FXBX8
20-Lead VQFN
5x5 mm Octal
VREF0
2
3
4
5
14 VREF1
13 VOUT1
12 VOUT3
11 VOUT5
VOUT0
VOUT2
- Disconnects output buffer (high-impedance)
21 EP(1)
- Selection of VOUT pull-down resistors
(125 k or 1 k)
VOUT4
• Low-Power Consumption:
- Normal operation: < 1 mA (Quad), 1.8 mA
(Octal)
- Power-Down operation: 680 nA typical
- EEPROM write cycle: 2.7 mA maximum
• I2C Interface:
LAT1 1
VDD 2
20 LAT0/HVC
19 SDA
A0 3
VREF0 4
VOUT0 5
18 SCL
MCP47FXBX8
20-Lead TSSOP
Octal
17 A1
- Slave address options: four predefined
addresses or user-programmable (all 7 bits)
16 VREF1
15 VOUT1
14 VOUT3
13 VOUT5
12 VOUT7
11 NC
VOUT2
6
- Standard (100 kbps), Fast (400 kbps), and
High-Speed (up to 3.4 Mbps) modes
VOUT4
7
VOUT6 8
• Package Types:
VSS
9
- 20-lead TSSOP
NC 10
- 20-lead 5 x 5 mm VQFN
• Extended Temperature Range: -40°C to +125°C
Note 1: Includes Exposed Thermal Pad (EP); see
Table 3-1 and Table 3-2.
2020 Microchip Technology Inc.
DS20006368A-page 1