MAX5805AAUB+ Maxim Integrated, MAX5805AAUB+ Datasheet - Page 21

• Manufacturer Part Number: MAX5805AAUB+
• Description: Digital to Analog Converters - DAC 12Bit 1Ch V Buffered Precision DAC
• Manufacturer: Maxim Integrated

Specifications of MAX5805AAUB+

• Rohs: yes
• Number Of Converters: 1
• Number Of Dac Outputs: 1
• Resolution: 12 bit
• Interface Type: Serial (I2C)
• Settling Time: 6 us
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: uMAX-10
• Maximum Power Dissipation: 707.3 mW
• Minimum Operating Temperature: - 40 C
• Output Type: Voltage Buffered
• Supply Current: 190 uA
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 2.7 V

one time; partial and/or multiple attempts to readback
executed in succession will not yield usable data.
The MAX5803/MAX5804/MAX5805 are fully compatible
with existing I
impedance inputs; SDA provides an open drain which
pulls the data line low to transmit data or ACK pulses.
Figure 8
Maxim Integrated
Figure 7. Interface Verification I
Ultra-Small, Single-Channel, 8-/10-/12-Bit Buffered Output
Voltage DACs with Internal Reference and I
SDA
SDA
SCL
SCL
START
START
START
shows a typical I
BYTE #1: I
2
BYTE #1: I
BYTE #1: I
BYTE #1: I
C systems. SCL and SDA are high-
0
0
0 0
0
0 1
0 1
0 1
WRITE ADDRESS
WRITE ADDRESS
WRITE ADDRESS
WRITE ADDRESS
2
1
2
2
2
C SLAVE ADDRESS
C SLAVE ADDRESS
C SLAVE ADDRESS
C SLAVE ADDRESS
1
1
1 0 A1 A0
1
A
2
0 A1 A0
0 A1 A0
0 A1 A0
C application.
ACK. GENERATED BY MAX5803 /MAX5804 /MAX5805
2
C Register Read Sequences
W
W
R
R
I
2
A
A
A
A
C Compatibility
23
23
23
23
BYTE #2: COMMAND BYTE
BYTE #2: COMMAND BYTE
BYTE #2: COMMAND BYTE
BYTE #2: COMMAND BYTE
22
22
22
22
WRITE COMMAND
WRITE COMMAND
READ COMMAND
READ COMMAND
21
21
21
21
(B[23:16])
(B[23:16])
(B[23:16])
(B[23:16])
20 19 18 17
20 19 18 17
20 19 18 17
(QUALIFIES FOR COMBINED READ BACK)
(QUALIFIES FOR COMBINED READ BACK)
20 19 18 17
MAX5803/MAX5804/MAX5805
POINTER UPDATED
POINTER UPDATED
16
16
16
16
A
A
A
A
15 14 13 12 11 10 9
15 14 13 12 11 10 9
15 14 13 12 11 10 9
15 14 13 12 11 10 9
This section lists the user-accessible commands and
registers for the MAX5803/MAX5804/MAX5805.
Table 4
Command Registers.
BYTE #3: DATA HIGH BYTE
BYTE #3: DATA HIGH BYTE
BYTE #3: DATA HIGH BYTE
BYTE #3: DATA HIGH BYTE
WRITE DATA
WRITE DATA
READ DATA
READ DATA
(B[15:8])
(B[15:8])
(B[15:8])
(B[15:8])
A
provides detailed information about the I
ACK. GENERATED BY I
I
2
8
8
8
8
C User-Command Register Map
A
A
A
A
7
7 6
7
7 6
BYTE #4: DATA LOW BYTE
BYTE #4: DATA LOW BYTE
BYTE #4: DATA LOW BYTE
BYTE #4: DATA LOW BYTE
2
6
6 5
C MASTER
5
5
5
WRITE DATA
READ DATA
WRITE DATA
READ DATA
(B[7:0])
(B[7:0])
(B[7:0])
(B[7:0])
(QUALIFIES FOR INTERFACE READ BACK)
4
(QUALIFIES FOR INTERFACE READ BACK)
4
4 3
4 3
2
3
3
C Interface
2
2 1
2
2 1
COMMAND EXECUTED
COMMAND EXECUTED
1
1
0
0
0
0
A
A
~A
~A
REPEATED
START
STOP
STOP
STOP
2
21
C