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CS5016 Datasheet(PDF) 1 Page - Cirrus Logic

Part No. CS5016
Description  16, 14 & 12-Bit, Self-Calibrating A/D Converters
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Maker  CIRRUS [Cirrus Logic]
Homepage  http://www.cirrus.com
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CS5016 Datasheet(HTML) 1 Page - Cirrus Logic

 
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Features
•• Monolithic CMOS A/D Converters
Microprocessor Compatible
Parallel and Serial Output
Inherent Track/Hold Input
•• True 12, 14 and 16-Bit Precision
•• Conversion Times:
CS5016 16.25
µs
CS5014 14.25
µs
CS5012A 7.20
µs
•• Self Calibration Maintains Accuracy
Over Time and Temperature
•• Low Power Dissipation: 150 mW
•• Low Distortion
General Description
The CS5012A/14/16 are 12, 14 and 16-bit monolithic
analog to digital converters with conversion times of
7.2
µs, 14.25µs and 16.25µs. Unique self-calibration cir-
cuitry insures excellent linearity and differential non-
linearity, with no missing codes. Offset and full scale
errors are kept within 1/2 LSB (CS5012A/14) and
1 LSB (CS5016), eliminating the need for calibration.
Unipolar and bipolar input ranges are digitally select-
able.
The pin compatible CS5012A/14/16 consist of a DAC,
conversion and calibration microcontroller, oscillator,
comparator, microprocessor compatible 3-state I/O,
and calibration circuitry. The input track-and-hold, in-
herent to the devices’ sampling architecture, acquires
the input signal after each conversion using a fast
slewing on-chip buffer amplifier. This allows throughput
rates up to 100 kHz (CS5012A), 56 kHz (CS5014) and
50 kHz (CS5016).
An evaluation board (CDB5012/14/16) is available
which allows fast evaluation of ADC performance.
ORDERING INFORMATION: Pages 2-45, 2-46, & 2-47
MAR ’95
DS14F6
2-7
Crystal Semiconductor Corporation
P.O. Box 17847, Austin, TX 78760
(512) 445 7222 FAX: (512) 445 7581
16, 14 & 12-Bit, Self-Calibrating A/D Converters
Semiconductor Corporation
CS5016 CS5014 CS5012A
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15 (MSB)
D4 (LSB) CS5012A
6
7
8
9
12
13
14
15
16
17
18
19
D2 (LSB) CS5014
D0 (LSB) CS5016
D1
SCLK
EOT
EOC
SDATA
2
3
4
5
37
38
39
40
D3
CLKIN
CLOCK
GENERATOR
20
INTRLV
34
RST
32
21
A0
23
RD
22
HOLD
1
BW
33
24
CAL
35
CS
BP/UP
REFBUF
AGND
29
VREF
28
AIN
26
27
CHARGE
REDISTRIBUTION
DAC
COMPARATOR
VA+
VA-
VD+
VD-
DGND
TST
25
30
11
36
10
31
+
-
+
-
+
-
+
-
CONTROL
CALIBRATION
MEMORY
MICROCONTROLLER
STATUS REGISTER
Copyright
© Crystal Semiconductor Corporation 1995
(All Rights Reserved)


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