AD7949 Analog Devices, AD7949 Datasheet - Page 29

• Manufacturer Part Number: AD7949
• Description: 14-Bit, 8-Channel, 250 kSPS PulSAR ADC
• Manufacturer: Analog Devices

Specifications of AD7949

• Resolution (bits): 14bit
• # Chan: 8
• Sample Rate: 250kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni,SE-Uni
• Adc Architecture: SAR
• Pkg Type: CSP

Data Sheet
OUTLINE DIMENSIONS
ORDERING GUIDE
Model
AD7949BCPZ
AD7949BCPZRL7
EVAL-AD7949EDZ
EVAL-CED1Z
1
2
Z = RoHS Compliant Part.
This controller board allows a PC to control and communicate with all Analog Devices evaluation boards whose model numbers end in ED.
1
Notes
2
INDICATOR
SEATING
PLANE
1.00
0.85
0.80
PIN 1
Temperature Range
–40°C to +85°C
–40°C to +85°C
12° MAX
Figure 43. 20-Lead Lead Frame Chip Scale Package (LFCSP_VQ)
TOP VIEW
BSC SQ
4.00
0.80 MAX
0.65 TYP
0.30
0.23
0.18
COMPLIANT TO JEDEC STANDARDS MO-220-VGGD-1
4 mm × 4 mm Body, Very Thin Quad
Dimensions shown in millimeters
BSC SQ
3.75
0.20 REF
Rev. C | Page 29 of 32
Package Description
20-Lead LFCSP_VQ
20-Lead LFCSP_VQ
Evaluation Board
Controller Board
0.05 MAX
0.02 NOM
COPLANARITY
(CP-20-4)
0.60 MAX
0.08
BSC
0.50
0.40
0.30
0.50
0.60 MAX
15
11
16
10
(BOTTOM VIEW)
EXPOSED
FOR PROPER CONNECTION OF
THE EXPOSED PAD, REFER TO
THE PIN CONFIGURATION AND
FUNCTION DESCRIPTIONS
SECTION OF THIS DATA SHEET.
PAD
20
6
1
5
Package Option
CP-20-4
CP-20-4
2.65
2.50 SQ
2.35
0.25 MIN
Ordering Quantity
Tray, 490
Reel, 1,500
AD7949