MAX5825BAUP+ Maxim Integrated, MAX5825BAUP+ Datasheet - Page 21

• Manufacturer Part Number: MAX5825BAUP+
• Description: Digital to Analog Converters - DAC 12-Bit 8Ch V DAC w/I2C Interface
• Manufacturer: Maxim Integrated

Specifications of MAX5825BAUP+

• Rohs: yes
• Number Of Dac Outputs: 8
• Resolution: 12 bit
• Interface Type: I2C
• Settling Time: 4.5 us
• Maximum Operating Temperature: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-20
• Maximum Power Dissipation: 1084 mW
• Supply Current: 250 uA
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 2.7 V

Maxim Integrated
Table 3. Format DAC Data Bit Positions
Figure 7. Interface Verification I
Output DACs with Internal Reference and I
SDA
SDA
SCL
SCL
MAX5823
MAX5824
MAX5825
PART
START
START
START
Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered
B15
D11
D7
D9
BYTE #1: I
BYTE #1: I
BYTE #1: I
BYTE #1: I
0
0
0
0
0 1 A3 A2 A1 A0
0 1 A3 A2 A1 A0
0 1 A3 A2 A1 A0
0 1 A3 A2 A1 A0
WRITE ADDRESS
WRITE ADDRESS
WRITE ADDRESS
WRITE ADDRESS
B14
D10
D6
D8
2
2
2
2
C SLAVE ADDRESS
C SLAVE ADDRESS
C SLAVE ADDRESS
C SLAVE ADDRESS
A
ACK. GENERATED BY MAX5823/MAX5824/MAX5825
B13
2
D5
D7
D9
C Register Read Sequences
W
R
W
R
B12
D4
D6
D8
A
A
A
A
23
23
23
23
BYTE #2: COMMAND BYTE
BYTE #2: COMMAND BYTE
BYTE #2: COMMAND BYTE
BYTE #2: COMMAND BYTE
B11
22
22
22
22
D3
D5
D7
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)
B10
D2
D4
D6
MAX5823/MAX5824/MAX5825
POINTER UPDATED
POINTER UPDATED
B9
D1
D3
D5
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
D2
D4
B8
D0
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])
B7
D1
D3
X
A
ACK. GENERATED BY I
B6
D0
D2
X
8
8
8
8
A
A
A
A
D1
B5
X
X
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
B4
D0
WRITE DATA
WRITE DATA
X
X
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
B3
C Interface
X
X
X
2 1
2 1
2 1
COMMAND EXECUTED
COMMAND EXECUTED
0
0
0
0
B2
X
X
X
~A
~A
A
A
REPEATED
B1
START
STOP
STOP
STOP
X
X
X
B0
X
X
X
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