AD7938 Analog Devices, AD7938 Datasheet - Page 32

• Manufacturer Part Number: AD7938
• Description: 8-Channel, 1.5 MSPS, 12-Bit Parallel ADCs with a Sequencer
• Manufacturer: Analog Devices

Specifications of AD7938

• Resolution (bits): 12bit
• # Chan: 8
• Sample Rate: 1.5MSPS
• Interface: Byte,Par
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: (2Vref) p-p,5V p-p,Uni (Vref),Uni (Vref) x 2,Uni 2.5V,Uni 5.0V
• Adc Architecture: SAR
• Pkg Type: CSP,QFP

AD7938/AD7939
OUTLINE DIMENSIONS
SEATING
PLANE
INDICATOR
1.00
0.85
0.80
PIN 1
12° MAX
1.05
1.00
0.95
ROTATED 90° CCW
0.15
0.05
VIEW A
SEATING
PLANE
TOP VIEW
BSC SQ
5.00
Figure 47. 32-Lead Lead Frame Chip Scale Package [LFCSP_VQ]
0.30
0.25
0.18
Figure 48. 32-Lead Thin Plastic Quad Flat Package [TQFP]
0° MIN
0.80 MAX
0.65 TYP
COMPLIANT TO JEDEC STANDARDS MO-220-VHHD-2
COMPLIANT TO JEDEC STANDARDS MS-026-AB A
0.08 MAX
COPLANARITY
0.20
0.09
3.5°
5 mm × 5 mm Body, Very Thin Quad
7°
0°
BSC SQ
Dimensions shown in millimeters
Dimensions shown in millimeters
4.75
0.20 REF
0.75
0.60
0.45
Rev. C | Page 32 of 36
0.05 MAX
0.02 NOM
COPLANARITY
MAX
1.20
(CP-32-2)
(SU-32-2)
0.08
0.60 MAX
BSC
0.50
VIEW A
0.50
0.40
0.30
8
1
32
9
LEAD PITCH
24
17
16
BSC
25
0.80
PIN 1
9.00 BSC SQ
(PINS DOWN)
BOTTOM VIEW
TOP VIEW
0.60 MAX
3.50 REF
EXPOSED
PAD
FOR PROPER CONNECTION OF
THE EXPOSED PAD, REFER TO
THE PIN CONFIGURATION AND
FUNCTION DESCRIPTIONS
SECTION OF THIS DATA SHEET.
0.45
0.37
0.30
32
9
16
25
1
8
24
17
BSC SQ
3.25
3.10 SQ
2.95
7.00
0.25 MIN
PIN 1
INDICATOR
Data Sheet