MAX5802AAUB+T Maxim Integrated, MAX5802AAUB+T Datasheet - Page 20

• Manufacturer Part Number: MAX5802AAUB+T
• Description: Digital to Analog Converters - DAC 12-Bit 2Ch DAC w/I2C
• Manufacturer: Maxim Integrated

Specifications of MAX5802AAUB+T

• Rohs: yes

Figure 7. Interface Verification I
Maxim Integrated
Ultra-Small, Dual-Channel, 8-/10-/12-Bit Buffered Output
SDA
SDA
SCL
SCL
START
START
START
DACs with Internal Reference and I
BYTE #1: I
BYTE #1: I
BYTE #1: I
BYTE #1: I
0
0
0
0
0 0 1
0 0 1
0 0
0 0
WRITE ADDRESS
WRITE ADDRESS
WRITE ADDRESS
WRITE ADDRESS
2
2
2
2
C SLAVE ADDRESS
C SLAVE ADDRESS
C SLAVE ADDRESS
C SLAVE ADDRESS
1 1 A1 A0
1
A
1 A1 A0
1 A1 A0
ACK. GENERATED BY MAX5800/MAX5801/MAX5802
1 A1 A0
2
C Register Read Sequences
W
W
R
R
A
A
A
A
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])
(QUALIFIES FOR COMBINED READ BACK)
20 19 18 17
20 19 18 17
20 19 18 17
20 19 18 17
(QUALIFIES FOR COMBINED READ BACK)
MAX5800/MAX5801/MAX5802
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
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
ACK. GENERATED BY I
8
8
8
8
A
A
A
A
7
7
7
7
BYTE #4: DATA LOW BYTE
BYTE #4: DATA LOW BYTE
BYTE #4: DATA LOW BYTE
BYTE #4: DATA LOW BYTE
2
6 5 4 3
6 5 4
6 5 4 3
6 5 4 3
C MASTER
WRITE DATA
WRITE DATA
READ DATA
READ DATA
(B[7:0])
(B[7:0])
(B[7:0])
(B[7:0])
(QUALIFIES FOR INTERFACE READ BACK)
(QUALIFIES FOR INTERFACE READ BACK)
2
3 2 1
C Interface
2 1
2 1
2 1
COMMAND EXECUTED
COMMAND EXECUTED
0
0
0
0
~A
~A
A
A
REPEATED
START
STOP
STOP
STOP
20