AD7142 Analog Devices, AD7142 Datasheet - Page 69

• Manufacturer Part Number: AD7142
• Description: Programmable Controller for Capacitance Touch Sensors
• Manufacturer: Analog Devices

Specifications of AD7142

• Resolution (bits): 16bit
• # Chan: 14
• Sample Rate: 250kSPS
• Interface: I²C/Ser 2-Wire,Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: ± 2 pF (Delta C)
• Adc Architecture: Sigma-Delta
• Pkg Type: CSP

OUTLINE DIMENSIONS
ORDERING GUIDE
Model
AD7142ACPZ-REEL
AD7142ACPZ-500RL7
AD7142ACPZ-1REEL
AD7142ACPZ-1500RL7
EVAL-AD7142EBZ
EVAL-AD7142-1EBZ
1
Z = Pb-free part.
1
1
1
1
1
1
INDICATOR
1.00
0.85
0.80
Temperature Range
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
PIN 1
12° MAX
SEATING
PLANE
BSC SQ
VIEW
TOP
5.00
Figure 60. 32-Lead Frame Chip Scale Package [LFCSP_VQ]
COMPLIANT TO JEDEC STANDARDS MO-220-VHHD-2
0.80 MAX
0.65 TYP
0.30
0.23
0.18
Dimensions shown in millimeters
Serial Interface Description
SPI Interface
SPI Interface
I
I
SPI Interface
I
2
2
2
5 mm × 5 mm Very Thin Quad
C Interface
C Interface
C Interface
BSC SQ
4.75
0.20 REF
Rev. A | Page 69 of 72
0.05 MAX
0.02 NOM
(CP-32-2)
0.60 MAX
COPLANARITY
BSC
0.50
0.40
0.30
0.50
0.08
24
17
16
25
(BOTTOM VIEW)
0.60 MAX
EXPOSED
PAD
Package Description
32-Lead LFCSP_VQ
32-Lead LFCSP_VQ
32-Lead LFCSP_VQ
32-Lead LFCSP_VQ
Evaluation Board
Evaluation Board
32
9
1
8
3.50 REF
3.25
3.10 SQ
2.95
0.25 MIN
PIN 1
INDICATOR
Package Option
CP-32-2
CP-32-2
CP-32-2
CP-32-2
AD7142