AD6644 Analog Devices, AD6644 Datasheet - Page 21

• Manufacturer Part Number: AD6644
• Description: 14-Bit, 40 MSPS/65 MSPS Analog-to-Digital Converter
• Manufacturer: Analog Devices

Specifications of AD6644

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 65MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 2.2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: QFP

OUTLINE DIMENSIONS
ORDERING GUIDE
Model
AD6644AST-40
AD6644ASTZ-40
AD6644AST-65
AD6644ASTZ-65
AD6644ST/PCB
AD6644ST/PCBZ
1
Z = RoHS Compliant Part.
1
1
1
Temperature Range
−25°C to +85°C
−25°C to +85°C
−25°C to +85°C
−25°C to +85°C
1.45
1.40
1.35
ROTATED 90° CCW
0.15
0.05
VIEW A
SEATING
PLANE
Figure 37. 52-Lead Low Profile Quad Flat Package [LQFP]
0.10
COPLANARITY
COMPLIANT TO JEDEC STANDARDS MS-026-BCC
0.20
0.09
3.5°
7°
0°
0.75
0.60
0.45
Dimensions shown in millimeters
Package Description
52-Lead Low Profile Quad Flat Package (LQFP)
52-Lead Low Profile Quad Flat Package (LQFP)
52-Lead Low Profile Quad Flat Package (LQFP)
52-Lead Low Profile Quad Flat Package (LQFP)
Evaluation Board with AD6644AST–65
Evaluation Board with AD6644AST–65
Rev. D | Page 21 of 24
1.60
MAX
(ST-52)
VIEW A
13
1
14
52
LEAD PITCH
PIN 1
BSC
0.65
(PINS DOWN)
TOP VIEW
12.20
12.00 SQ
11.80
0.38
0.32
0.22
40
26
39
27
10.20
10.00 SQ
9.80
Package Option
ST-52
ST-52
ST-52
ST-52
AD6644