NCN5193
www.onsemi.com
13
Table 15. ANALOG CONFIGURATION REGISTER PARAMETERS
Parameter Value Description Info
MOD_EN
0 Enable
Disable/Enable the modulator/demodulator
1 Disable
RXAMP_EN
0 Enable
Disable/Enable the receive filter opamp
1 Disable
RXCMP_EN
0 Enable
Disable/Enable the receive comparator
1 Disable
CDCMP_EN
0 Enable
Disable/Enable the carrier detect comparator
1 Disable
TXAMP_EN
0 Enable
Disable/Enable the transmit output amplifier
1 Disable
MODDAC_EN
0 Enable
Disable/Enable the DAC used to provide the waveshaping to the modulator
1 Disable
WDOSC_EN
0 Enable
Disable/Enable the watchdog timer oscillator
1 Disable
SDDAC_EN
0 Enable
Disable/Enable the sigma-delta DAC
1 Disable
Table 16. SIGMA-DELTA DAC REGISTER – SDR
General Configuration Register (GCR)
Address Bit 23:16 Bit 15:8 Bit 7 Bit 6:0
0x0A
Reset 0x00 0x00 0 0x00
Data Data 16:9 Data 8:1 Data 0 -
The sigma-delta register is used to update the output value
of the 17-bit sigma delta modulator. The sigma-delta
modulator is disabled at reset and must be enabled in the
ACR first before the value in the SDR will appear at the
sigma-delta output.
Sigma Delta DAC
The NCN5193 Modem has an integrated Sigma−Delta
Modulator for use in a current loop slave transmitter.
Through this DAC, an analog value can be set and
transmitted across the current loop. For more information on
how to create a current loop slave transmitter, see
application notes on the ON Semiconductor website. The
DAC output will switch between 0 V and the voltage
provided to DACREF. To achieve maximum accuracy, the
DACREF voltage should be kept stable, so that power
supply variations are not visible in the DAC output. The
Sigma−Delta modulator output can be set through the Sigma
Delta Register (SDR). When a clock failure is detected,
using an internal oscillator, the DAC output will jump to the
level set by the JUMP pin, until the IC is reset or a rising
flank is detected on KICK.
Ordering Information
The NCN5193 is available in a 32−pin no lead quad flat pack (NQFP). Use the following part numbers when ordering.
Contact your local sales representative for more information: www.onsemi.com
.
Table 17. ORDERING INFORMATION
Part Number Temperature Range Package Shipping
NCN5193MNTWG −40°C to +85°C (Industrial) 32−pin NQFP
Green/RoHS compliant
1000 / Tape & Reel
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
NCN5193
www.onsemi.com
14
PACKAGE DIMENSIONS
QFN32 5x5, 0.5P
CASE 488AM
ISSUE A
SEATING
NOTE 4
K
0.15 C
(A3)
A
A1
D2
b
1
9
17
32
E2
32X
8
L
32X
BOTTOM VIEW
TOP VIEW
SIDE VIEW
D
A
B
E
0.15
C
PIN ONE
LOCATION
0.10 C
0.08 C
C
25
e
NOTES:
1. DIMENSIONS AND TOLERANCING PER
ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. DIMENSION b APPLIES TO PLATED
TERMINAL AND IS MEASURED BETWEEN
0.15 AND 0.30MM FROM THE TERMINAL TIP.
4. COPLANARITY APPLIES TO THE EXPOSED
PAD AS WELL AS THE TERMINALS.
PLANE
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
SOLDERING FOOTPRINT*
0.50
3.35
0.30
3.35
32X
0.63
32X
5.30
5.30
L1
DETAIL A
L
ALTERNATE TERMINAL
CONSTRUCTIONS
L
DETAIL B
MOLD CMPDEXPOSED Cu
ALTERNATE
CONSTRUCTION
DETAIL B
DETAIL A
DIM
A
MIN
MILLIMETERS
0.80
A1 −−−
A3 0.20 REF
b 0.18
D 5.00 BSC
D2 2.95
E 5.00 BSC
2.95
E2
e 0.50 BSC
0.30
L
K
0.20
1.00
0.05
0.30
3.25
3.25
0.50
−−−
MAX
−−−
L1
0.15
e/2
NOTE 3
PITCH
DIMENSION: MILLIMETERS
RECOMMENDED
A
M
0.10 BC
M
0.05 C
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UBLICATION ORDERING INFORMATION
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NCN5193MNTWG

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Description:
Interface - Specialized NCN5193
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