AD9260 Analog Devices, AD9260 Datasheet - Page 13

• Manufacturer Part Number: AD9260
• Description: 16-Bit High Speed Oversampled A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9260

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 2.5MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 4 V p-p
• Adc Architecture: Sigma-Delta
• Pkg Type: QFP

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 11. Pin Function Descriptions
Pin No.
1
2, 29, 38
3
4, 28, 44
5
6
7
8
9
10–23
24
25
26
27
30
31
32
33
34
35
36
37
39
40, 43
41
42
Mnemonic
DVSS
AVSS
DVDD
AVDD
DRVSS
DRVDD
CLK
READ
BIT16
BIT15–BIT2
BIT1
OTR
DAV
CS
RESET
SENSE
VREF
REFCOM
MODE
BIAS
CAPB
CAPT
CML
NC
VINA
VINB
(LSB) BIT16
Description
Digital Ground.
Analog Ground.
+3 V to +5 V Digital Supply.
+5 V Analog Supply.
Digital Output Driver Ground.
+3 V to +5 V Digital Output Driver Supply.
Clock Input.
Part of DSP Interface—Pull Low to Disable Output Bits.
Least Significant Data Bit (LSB).
Data Output Bit.
Most Significant Data Bit (MSB).
Out of Range—Set When Converter or Filter Overflows.
Data Available.
Chip Select (CS): Active LOW.
RESET : Active LOW.
Reference Amplifier SENSE: Selects REF Level.
Input Span Select Reference I/O.
Reference Common.
Mode Select—Selects Decimation Mode.
Power Bias.
Noise Reduction Pin—Decouples Reference Level.
Noise Reduction Pin—Decouples Reference Level.
Common-Mode Level (AVDD/2.5).
No Connect (Ground for Shielding Purposes).
Analog Input Pin (+).
Analog Input Pin (–).
DRVDD
DRVSS
READ
DVDD
AVDD
BIT15
BIT14
DVSS
AVSS
CLK
NC = NO CONNECT
10
11
1
2
3
4
5
6
7
8
9
44
12
PIN 1
IDENTIFIER
43
13
Figure 10. Pin Configuration
Rev. C | Page 13 of 44
42
14
15
41
(Not to Scale)
40
16
AD9260
TOP VIEW
39
17
38
18
37
19
36
20
35
21
34
22
33
32
30
29
28
27
26
25
24
23
31
REFCOM
VREF
SENSE
RESET
AVSS
AVDD
CS
DAV
OTR
BIT1 (MSB)
BIT2
AD9260