參數(shù)資料
型號(hào)： RD-19230NEW
英文描述： Resolver and Synchro To Digital Converters
中文描述： Resolver和同步數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù)： 1/20頁(yè)
文件大小： 152K
代理商： RD-19230NEW
16-BIT MONOLITHIC TRACKING
RESOLVER-TO-DIGITAL CONVERTER
FIGURE 1. RD-19230 SERIES BLOCK DIAGRAM
SIN
-S
+S
COS
-C
+C
VDDP
PCAP
NCAP
VSSP
A GND
VDD
GND
VSS
CONTROL
TRANSFORMER
-5 V
INVERTER
DATA
LATCH
GAIN
DEMODULATOR
16 BIT
UP/DOWN
COUNTER
HYSTERESIS
RH
RL BIT
VCO
&
TIMING
-
+
-
+
D1 D0
INH
EM
BIT 1 - BIT 16
EL
CB/ZIP
R CLK
R SET
R
V
-VCO
A U/B
A QUAD B
INTERNAL
ENCODER
EMULATION
SYNTHESIZED
REFERENCE
VEL
ZIP_EN
-
+
Rb
C
bw
Cbw/10
Cbw
Rb
Cbw/10
UP/DN
SHIFT
D1
D0
D1 D0
VEL2 VEL1
V
E
L
S
J
1
V
E
L
S
J
2
RD-19230
DESCRIPTION
The RD-19230 is a versatile, low cost,
state-of-the-art 16-bit monolithic Resolver-
to-Digital Converter. This single chip con-
verter offers programmable features such
as resolution, bandwidth, velocity output
scaling and encoder emulation.
Resolution programming allows selec-
tion of 10, 12, 14, or 16-bit, with accura-
cies to 2.3 min. The parallel digital data
and the internal encoder emulation sig-
nals (A QUAD B) have independent res-
olution control. Internal encoder emula-
tion will permit inhibiting (freezing) the
parallel digital data without interrupting
the A and B outputs.
The internal Synthesized Reference sec-
tion eliminates errors due to quadrature
voltage and ensures operation with a
rotor-to-stator phase shift of up to 45
degrees. The velocity output (VEL) can
be used in place of a tachometer. It has a
range of ±4 V relative to analog ground.
The velocity scale factor/tracking rate is
programmed with a single resistor. This
converter provides the option of using a
second set of filter components which can
be used in dual bandwidth or switch on the
fly applications.
The RD-19230 is available with operating
temperature ranges of 0° to +70°C and
-40° to +85°C.
APPLICATIONS
With its low cost, small size, high accura-
cy, and versatile performance, the RD-
19230 converter is ideal for use in modern
high performance industrial control sys-
tems. It is ideal for users who wish to use
a resolver input in their encoder based
system.Typical applications include motor
control, machine tool control, robotics, and
process control.
FEATURES
Accuracy up to 2.3 arc minutes
Internal Synthesized Reference
+5 Volt Only Option
Programmable Resolution,
Bandwidth and Tracking Rate
Internal Encoder Emulation with
Independent Resolution Control
Differential Resolver Input
Mode
Velocity Output Eliminates
Tachometer
Built-In-Test (BIT) Output,
No 180° Hangup
-40° to +85°C Operating
Temperature
1999, 2000 Data Device Corporation
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