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Copyright
Cirrus Logic, Inc. 2009
(All Rights Reserved)
CS5510/11/12/13
16-bit and 20-bit, 8-pin
ΔΣ ADCs
Features
Delta-sigma Analog-to-digital Converter
– Linearity Error: 0.0015% FS
– Noise-free Resolution: Up to 17 Bits
Differential Bipolar Analog Inputs
VREF Input Range from 250 mV to 5 V
50/60 Hz Simultaneous Rejection
(CS5510/12)
16 to 326 Sps Output Word Rate
On-chip Oscillator (CS5511/13)
Power Supply Configurations:
– V+ = 5 V, V- = 0 V
– Multiple Dual-supply Arrangements
Low Power Consumption
– Normal Mode, 2.5 mW
– Sleep Mode, 10
μW
Low-cost, Compact, 8-pin Package
Lead-free Device Package Options
General Description
The CS5510/11/12/13 are low-cost, easy-to-use,
ΔΣ an-
alog-to-digital converters (ADCs) which use charge-
balance techniques to achieve 16-bit (CS5510/11) and
20-bit (CS5512/13) performance. The ADCs are avail-
able in a space-efficient, 8-pin SOIC package and are
optimized for measuring signals in weigh scale, process
control, and other industrial applications.
To accommodate these applications, the ADCs include
a fourth-order
ΔΣ modulator and a digital filter. When
configured with an external master clock of 32.768 kHz,
the filter in the CS5510/12 provides better than 80 dB of
simultaneous 50 and 60 Hz line rejection, and outputs
conversion words at 53.5 Sps. The CS5511/13 include
an on-chip oscillator which eliminates the need for an ex-
ternal clock source.
Low-power, flexible supply configurations, compact pi-
nout, and ease of use make these products ideal
solutions for cost-conscience and space-constrained
applications.
ORDERING INFORMATION
See page 23.
V+
AIN+
AIN-
VREF
Clock
Gen.
1X
~0.8X
Differential
4th-order
Delta-sigma
Modulator
Digital Filter
Control
Output
SCLK
SDO
Logic
Oscillator
(CS5511/13 only)
V-
(CS5510/12 only)
CS
JUL ‘09
DS337F4
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