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参数资料
| 型号： | 5962-9169101M3A |
| 厂商： | CRYSTAL SEMICONDUCTOR CORP |
| 元件分类： | ADC |
| 英文描述： | 2-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CQCC28 |
| 封装： | LCC-28 |
| 文件页数： | 1/48页 |
| 文件大小： | 647K |
| 代理商： | 5962-9169101M3A |
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1
Copyright
Cirrus Logic, Inc. 1997
(All Rights Reserved)
Cirrus Logic, Inc.
Crystal Semiconductor Products Division
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.crystal.com
CS5101A
CS5102A
16-Bit, 100 kHz / 20 kHz A/D Converters
Features
l Monolithic CMOS A/D Converters
- Inherent Sampling Architecture
- 2-Channel Input Multiplexer
- Flexible Serial Output Port
l Ultra-Low Distortion
- S/(N+D): 92 dB
- THD: 0.001%
l Conversion Time
- CS5101A: 8 s
- CS5102A: 40 s
l Linearity Error: ±0.001% FS
- Guaranteed No Missing Codes
l Self-Calibration Maintains Accuracy
- Over Time and Temperature
l Low Power Consumption
- CS5101A: 320 mW
- CS5102A: 44 mW
- Power-down Mode: <1 mW
l Evaluation Board Available
Description
The CS5101A and CS5102A are 16-bit monolithic
CMOS analog-to-digital converters capable of 100 kHz
(5101A)
and
20
kHz
(5102A)
throughput.
The
CS5102A’s low power consumption of 44 mW, coupled
with a power down mode, makes it particularly suitable
for battery powered operation.
On-chip self-calibration circuitry achieves nonlinearity of
±0.001% of FS and guarantees 16-bit no missing codes
over the entire specified temperature range. Superior lin-
earity also leads to 92 dB S/(N+D) with harmonics below
-100 dB. Offset and full-scale errors are minimized dur-
ing the calibration cycle, eliminating the need for external
trimming.
The CS5101A and CS5102A each consist of a 2-chan-
nel input multiplexer, DAC, conversion and calibration
microcontroller, clock generator, comparator, and serial
communications port. The inherent sampling architec-
ture of the device eliminates the need for an external
track and hold amplifier.
The converters' 16-bit data is output in serial form with ei-
ther binary or 2's complement coding. Three output
timing modes are available for easy interfacing to micro-
controllers and shift registers. Unipolar and bipolar input
ranges are digitally selectable.
ORDERING INFORMATION
See page 36.
I
CLKIN
REFBUF
VREF
AIN1
AGND
HOLD SLEEPRST
CODE BP/UP
TRK1 TRK2 SSH/SDLSDATA
SCLK
TEST
DGND
VD-
VD+
VA-
VA+
12
28
2
5
16
17
8
9
11
15
3
21
20
19
22
25
23
7
1
6
26
14
-
+
-
+
-
+
-
+
Clock
Generator
Control
Calibration
Microcontroller
Comparator
16-Bit Charge
SRAM
Redistribution
DAC
STBY
CRS/FIN
10
XOUT
4
AIN2
24
CH1/2
13
SCKMOD
27
OUTMOD
18
MAR ‘95
DS45F2
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