DAC250Y BURR-BROWN [Burr-Brown Corporation], DAC250Y Datasheet - Page 4

• Manufacturer Part Number: DAC250Y
• Description: Dual, 12-Bit, 125MSPS DIGITAL-TO-ANALOG CONVERTER
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

PIN CONFIGURATION
PIN DESCRIPTIONS
4
Top View
13, 14
35, 36
23-34
1-12
PIN
15
16
17
18
19
20
21
22
37
38
39
40
41
42
43
44
45
46
47
48
DESIGNATOR
D[11:0]_1
D[11:0]_2
DGND
DGND
AGND
WRT1
WRT2
GSET
REF
CLK1
CLK2
FSA2
FSA1
I
I
I
I
+V
+V
OUT
OUT
OUT
OUT
+V
NC
NC
NC
PD
D
D
A
2
2
1
1
IN
D11_1 (MSB)
DESCRIPTION
Data Port DAC1, Data Bit 11 (MSB) to Bit 0 (LSB).
No Connection
Digital Ground
Digital Supply, +3.0V to +5.5V
DAC1 Input Latches Write Signal
Clock Input DAC1
Clock Input DAC2
DAC2 Input Latches Write Signal
Digital Ground
Digital Supply, +3.0V to +5.5V
No Connection
Power-Down Function Control Input; “H” = DAC in power-down mode; “L” = DAC in normal operation (Internal pull-down for default “L”).
Analog Ground
Current Output DAC2. Full-scale with all bits of data port 2 HIGH.
Complementary Current Output DAC2. Full-scale with all bits of data port 2 LOW.
Full-Scale Adjust, DAC2. Connect External R
Gain-Setting Mode (H = 1 Resistor, L = 2 Resistor)
Internal Reference Voltage output; External Reference Voltage input. Bypass with 0.1µF to AGND for internal reference
operation.
Full-Scale Adjust, DAC1. Connect External R
Complementary Current Output DAC1. Full-scale with all bits of data port 1 LOW.
Current Output DAC1. Full-scale with all bits of data port 1 HIGH.
Analog Supply, +3.0V to +5.5V
No Connection
Data Port DAC2, Data Bit 11 (MSB) to Bit 0 (LSB).
D10_1
D9_1
D8_1
D7_1
D6_1
D5_1
D4_1
D3_1
D2_1
D1_1
D0_1
10
11
12
1
2
3
4
5
6
7
8
9
48
13
47
14
46
15
45
16
44
17
DAC2902
43
18
SET
SET
Resistor
Resistor
42
19
41
20
40
21
39
22
38
23
37
24
36
35
34
33
32
31
30
29
28
27
26
25
NC
NC
D0_2
D1_2
D2_2
D3_2
D4_2
D5_2
D6_2
D7_2
D8_2
D9_2
DAC2902
SBAS167A
TQFP-48