MP7680 Exar Corporation, MP7680 Datasheet - Page 4

• Manufacturer Part Number: MP7680
• Description: 5 V Cmos 12-bit Quad Double-buffered Multiplying Digital-to-analog Converter
• Manufacturer: Exar Corporation

MP7680
PIN DESCRIPTION
40 Pin PDIP , CDIP
PIN NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 -
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Rev. 3.10
A1
XFER
WR2
WR1
CS
NC
V
R
I
I
I
I
R
V
DB11 to Input Data Bits 11 (MSB) to 0 (LSB)
DB0
V
R
I
I
I
I
R
V
AGND
DGND
AV
DV
B1/B2
A0
OUT1A
OUT2A
OUT2B
OUT1B
OUT1C
OUT2C
OUT2D
OUT1D
NAME
REFA
REFB
REFC
REFD
FBA
FBB
FBC
FBD
DD
DD
DAC Address Bit 1
Transfer: Updates all DAC’s
Write 2: Gates the XFER Function
Write 1: Gates the DAC Selection
Chip Select
No Connection
Reference Input for DAC A
Feedback Resistor for DAC A
Current Output A
Complement of Output A
Complement of Output B
Current Output B
Feedback Resistor for DAC B
Reference Input for DAC B
Reference input for DAC C
Feedback Resistor for DAC C
Current Output C
Complement of Output C
Complement of Output D
Current Output D
Feedback Resistor for DAC D
Reference input for DAC D
Analog Ground
Digital Ground
Analog Power Supply
Digital Power Supply
Select Input Format (8/4 or 12 bits in)
DAC Address Bit 0
DESCRIPTION
4
44 Pin PQFP
PIN NO.
1
2
3
4
5
6
7
8
9
10
11-
16
17
18-
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
NC
V
R
I
I
NC
I
I
R
V
DB11 to Input Data Bits 11 (MSB) to 6
DB6
NC
DB5-
DB0
V
R
I
I
NC
I
I
R
V
AGND
DGND
AV
DV
B1/B2
A0
NC
A1
XFER
WR2
WR1
CS
OUT1A
OUT2A
OUT2B
OUT1B
OUT1C
OUT2C
OUT2D
OUT1D
REFA
REFB
REFC
REFD
FBA
FBB
FBC
FBD
NAME
DD
DD
No Connection
Reference Input for DAC A
Feedback Resistor for DAC A
Current Output A
Complement of Output A
No Connection
Complement of Output B
Current Output B
Feedback Resistor for DAC B
Reference Input for DAC B
No Connection
Input Data Bits 5 to 0 (LSB)
Reference input for DAC C
Feedback Resistor for DAC C
Current Output C
Complement of Output C
No Connection
Complement of Output D
Current Output D
Feedback Resistor for DAC D
Reference input for DAC D
Analog Ground
Digital Ground
Analog Power Supply
Digital Power Supply
Select Input Format (8/4 or 12 bits in)
DAC Address Bit 0
No Connection
DAC Address Bit 1
Transfer: Updates all DAC’s
Write 2: Gates the XFER Function
Write 1: Gates the DAC Selection
Chip Select
DESCRIPTION