AD7843 Analog Devices, AD7843 Datasheet - Page 20

• Manufacturer Part Number: AD7843
• Description: Touch Screen Digitizer
• Manufacturer: Analog Devices

Specifications of AD7843

• Resolution (bits): 12bit
• # Chan: 4
• Sample Rate: 125kSPS
• Interface: Ser
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref)
• Adc Architecture: SAR
• Pkg Type: SOP

AD7843
OUTLINE DIMENSIONS
ORDERING GUIDE
Model
AD7843ARQ
AD7843ARQ-REEL
AD7843ARQ-REEL7
AD7843ARQZ
AD7843ARQZ-REEL
AD7843ARQZ-REEL7
AD7843ARU
AD7843ARU-REEL
AD7843ARU-REEL7
EVAL-AD7843CB
EVAL-CONTROL BRD2
1
2
3
4
© 2004 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
Linearity error here refers to integral linearity error.
Z = Pb-free part. Pb-free parts are branded with a # before the date code.
This can be used as a stand-alone evaluation board, or in conjunction with the Evaluation Board Controller for evaluation/demonstration purposes.
This Evaluation Board Controller is a complete unit allowing a PC to control and communicate with all Analog Devices evaluation boards ending in the CB designator.
COPLANARITY
0.010
0.004
0.065
0.049
0.004
Figure 30. 16-Lead Shrink Small Outline Package [QSOP]
16
1
PIN 1
2
0.025
BSC
COMPLIANT TO JEDEC STANDARDS MO-137AB
3
0.193
BSC
2
Dimensions shown in inches
2
4
0.012
0.008
9
8
SEATING
PLANE
(RQ-16)
Temperature Range
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
0.154
0.069
0.053
BSC
0.236
BSC
C02144–0–3/04(B)
0.010
0.006
8°
0°
0.050
0.016
Linearity Error (LSB)
±2
±2
±2
±2
±2
±2
±2
±2
±2
Rev. B | Page 20 of 20
0.15
0.05
4.50
4.40
4.30
PIN 1
1
Figure 31. 16-Lead Thin Shrink Small Outline Package [TSSOP]
BSC
0.65
16
1
COPLANARITY
COMPLIANT TO JEDEC STANDARDS MO-153AB
Package Description
QSOP
QSOP
QSOP
QSOP
QSOP
QSOP
TSSOP
TSSOP
TSSOP
Evaluation Board
Controller Board
5.10
5.00
4.90
0.10
Dimensions shown in millimeters
0.30
0.19
9
8
1.20
MAX
SEATING
PLANE
BSC
6.40
(RU-16)
0.20
0.09
8°
0°
Package Option
RQ-16
RQ-16
RQ-16
RQ-16
RQ-16
RQ-16
RU-16
RU-16
RU-16
0.75
0.60
0.45