IC-PN2656OQFN32 [ICHAUS]
PHASED ARRAY NONIUS ENCODER 26-256; 相控阵游标编码器26-256
| 型号： | IC-PN2656OQFN32 |
| 厂家： | 
IC-HAUS GMBH |
| 描述： | PHASED ARRAY NONIUS ENCODER 26-256 |
| 文件： | 总7页 (文件大小：394K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
iC-PN2656
PHASED ARRAY NONIUS ENCODER 26-256
Rev A4, Page 1/7
FEATURES
APPLICATIONS
♦ Absolute position encoders
♦ Compact photosensor for high-resolution Nonius scanning
♦ Phased-array design for excellent signal matching
♦ Reduced cross talk due to moderate track pitch
♦ Ultra low dark currents for operation to high temperature
♦ Low noise amplifiers with high transimpedance of typ. 4 MΩ
♦ Short-circuit-proof, low impedance voltage outputs for
enhanced EMI tolerance
♦ Space saving QFN and optoBGA packages (RoHS compliant)
♦ Low power consumption from single 4.5 to 5.5 V supply
♦ Operational temperature range of -40 to +125 °C
♦ Available code discs with 255/256/240 PPR
PACKAGES
- LSHC4S 26-256N (OD/ID ∅26/11.6 mm, glass)
- LSHC5S 26-256N (OD/ID ∅26/7 mm, plastic)
32-pin QFN
15-pin optoBGA
Chip
2.88 mm x 3.37 mm
BLOCK DIAGRAM
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Copyright © 2008 iC-Haus
http://www.ichaus.com
iC-PN2656
PHASED ARRAY NONIUS ENCODER 26-256
Rev A4, Page 2/7
DESCRIPTION
The phased-array iC-PN2656 features 24 monolith- An excellent matching and common mode behavior
ically integrated photosensors with active areas of of the differential signal paths is obtained by a paired
800 µm x 330 µm each. A high transimpedance gain amplifier design, reducing the needs for external sig-
of typically 4 MΩ generates output signals of a few nal calibration to an absolute minimum.
hundret Millivolts already from illumination levels of
0.1 to 0.2 mW/cm2. In most cases no additional mea- The spectral sensitivity range includes visible to near
sures must be considered to filter for noise and inter- infrared light, with the maximum sensitivity being
ferences.
close to a wavelength of 680 nm. An output voltage
of approximately 1 V is typical under low light condi-
Analog nonius encoders are the typical applica- tions, for instance when iC-PN2656 is illuminated at
tion for iC-PN2656. Its 3-track scanning features a only 2 µW/mm2 by an 740 nm LED. A threefold inten-
phased-array of 8 photosensors each per track, gen- sity is sufficient when using iC-PN2656 for encoder
erating positive and negative going sine signals, as applications with typical disc and mask codes.
well as positive and negative going cosine signals.
PACKAGES INFORMATION
PAD LAYOUT (2.88 mm x 3.37 mm)
PAD FUNCTIONS
No. Name Function
1 VCC +4.5..5.5 V Supply Voltage
2 VREF Reference Voltage Output
3 PS_N N-Track Sine +
4 NS_N N-Track Sine -
5 PS_M M-Track Sine +
6 NS_M M-Track Sine -
7 PS_S S-Track Sine +
8 NS_S S-Track Sine -
9 NC_S S-Track Cosine -
10 PC_S S-Track Cosine +
11 NC_M M-Track Cosine -
12 PC_M M-Track Cosine +
13 NC_N N-Track Cosine -
14 PC_N N-Track Cosine +
15 GND Ground
All outputs are analog voltage outputs.
iC-PN2656
PHASED ARRAY NONIUS ENCODER 26-256
Rev A4, Page 3/7
PIN CONFIGURATION
cQFN32 (5 mm x 5 mm),
oQFN32 (5 mm x 5 mm)
PIN FUNCTIONS
No. Name Function
1 VCC +4.5..5.5 V Supply Voltage
2 VREF Reference Voltage Output
3 PS_N N-Track Sine +
4 NS_N N-Track Sine -
5 PS_M M-Track Sine +
6 NS_M M-Track Sine -
7 PS_S S-Track Sine +
8 NS_S S-Track Sine -
9 NC_S S-Track Cosine -
10 PC_S S-Track Cosine +
11 NC_M M-Track Cosine -
12 PC_M M-Track Cosine +
13 NC_N N-Track Cosine -
14 PC_N N-Track Cosine +
15 GND Ground
PIN CONFIGURATION
PIN FUNCTIONS
oBGA LSH2C (6.2 mm x 5.2 mm)
No. Name Function
A2 VCC +4.5..5.5 V Supply Voltage
A3 VREF Reference Voltage Output
A4 GND Ground
B1 PS_N N-Track Sine +
B2 NS_N N-Track Sine -
B3 NC_N N-Track Cosine -
B4 PC_N N-Track Cosine +
C1 PS_M M-Track Sine +
C2 NS_M M-Track Sine -
C3 NC_M M-Track Cosine -
C4 PC_M M-Track Cosine +
D1 PS_S S-Track Sine +
D2 NS_S S-Track Sine -
D3 NC_S S-Track Cosine -
D4 PC_S S-Track Cosine +
iC-PN2656
PHASED ARRAY NONIUS ENCODER 26-256
Rev A4, Page 4/7
ABSOLUTE MAXIMUM RATINGS
These ratings do not imply operating conditions; functional operation is not guaranteed. Beyond these ratings device damage may occur.
Item Symbol
No.
Parameter
Conditions
Unit
Min.
-0.3
-20
Max.
6
G001 VCC
G002 I(VCC)
G003 V()
Voltage at VCC
V
mA
V
Current in VCC
20
Pin Voltage, all signal outputs
-0.3
VCC +
0.3
G004 I()
G005 Vd()
G006 Tj
G007 Ts
Pin Current, all signal outputs
ESD Susceptibility, all pins
Junction Temperature
-20
20
2
mA
kV
°C
°C
HBM, 100 pF discharged through 1.5 kΩ
-40
-40
150
150
Chip Storage Temperature
THERMAL DATA
Item Symbol
No.
Parameter
Conditions
Unit
Min. Typ. Max.
T01 Ta
T02 Ts
T03 Tpk
Operating Ambient Temperature Range
Storage Temperature Range
package cQFN32 (clear)
package oQFN32 (black)
package oBGA LSH2C
-20
-40
-40
70
110*
125
°C
°C
°C
package cQFN32 (clear)
package oQFN32 (black)
package oBGA LSH2C
-20
-40
-40
70
110*
125
°C
°C
°C
Soldering Peak Temperature
package cQFN32 (clear)
tpk < 10 s, convection reflow
MSL 5A (max. floor live 24 h at 30 °C and
60 % RH)
245
°C
Please refer to customer information file No. 7
for details.
Not suitable for vapour phase soldering.
T04 Tpk
Soldering Peak Temperature
package cQFN32 (black)
tpk < 10 s, convection reflow
MSL 3 (max. floor live 168 h at 30 °C and
60 % RH)
245*
°C
Please refer to customer information file No. 7
for details.
Not suitable for vapour phase soldering.
T05 Tpk
Soldering Peak Temperature
package oQFN32 (black)
package oBGA LSH2C
260
230
°C
°C
tpk < 20 s, convection reflow
tpk < 20 s, vapor phase soldering
TOL (time on label) 8 h;
Please refer to customer information file No. 7
for details.
*) Package qualification pending.
All voltages are referenced to ground unless otherwise stated.
All currents into the device pins are positive; all currents out of the device pins are negative.
iC-PN2656
PHASED ARRAY NONIUS ENCODER 26-256
Rev A4, Page 5/7
ELECTRICAL CHARACTERISTICS
Operating conditions: VCC = 4.5...5.5 V, Tj = -40..125 °C, unless otherwise stated
Item Symbol
No.
Parameter
Conditions
Unit
Min.
Typ.
Max.
Total Device
001 VCC
002 I(VCC)
003 Vc()hi
004 Vc()lo
Photosensors
101 λar
102 λpk
103 Aph()
104 S(λ)
Permissible Supply Voltage
Supply Current
4.5
5.5
15
V
mA
V
no load, photocurrents within op. range
9.5
Clamp-Voltage hi at all pins
Clamp-Voltage lo at all pins
I() = 4 mA
I() = -4 mA
11
-1.2
400
-0.3
V
Spectral Application Range
Peak Sensitivity Wavelength
Radiant Sensitive Area
Spectral Sensitivity
Se(λar) = 0.25 x S(λ)max
950
nm
nm
mm2
A/W
A/W
680
0.264
0.5
0.8 mm x 0.33 mm (each sensor)
λLED = 740 nm
λLED = λpk
105 S(λpk)max Maximum Spectral Sensitivity
106 E()mxr
0.55
0.37
Permissible Irradiance
λLED = 740 nm, Vout() not saturated
0.18
0.16
0.78
0.71
mW/
cm2
107 E()mxpk
Permissible Irradiance
λLED = λpk, Vout() not saturated
0.34
mW/
cm2
Photocurrent Amplifiers
201 Iph()
Permissible Photocurrent Operat-
ing Range
0
280
3.28
5.46
nA
202 η()r
Photo Sensitivity
(light-to-voltage conversion ratio)
λLED = 740 nm
1.12
2.69
2.0
V/µW
203 Z()
Equivalent Transimpedance Gain Z = Vout() / Iph()
4.0
MΩ
204 TCz
Temperature Coefficient of Tran-
simpedance Gain
-0.12
%/°C
209 ∆Z()pn
Transimpedance Gain Matching P vs. N path per diff. channel
-0.2
-6
0.2
6
%
210 ∆Vout()pn Output Signal Matching
P vs. N path per diff. channel,
illumination to E()mxr
mV
211 ∆Vout()pn Dark Signal Matching
P vs. N path per diff. channel
-2.5
220
2.5
mV
kHz
mV
212 fc()hi
Cut-off Frequency (-3 dB)
RMS Output Noise
310
0.5
465
213 VNoise()
illuminated to 500 mV signal level above dark
level, 500 kHz band width
Signal Outputs
301 Vout()mx Maximum Output Voltage
302 Vout()d Dark Signal Level
303 Vout()acmx Maximum Signal Level
illumination to E()mxr
load 20 kΩ vs. +2 V, no illumination
Vout()acmx = Vout()mx - Vout()d
load current to ground
load current to IC
2.45
640
1.48
200
250
70
2.72
770
1.96
540
425
110
3.02
985
2.35
800
600
180
V
mV
V
304 Isc()hi
305 Isc()lo
306 Ri()
Short-Circuit Current hi
Short-Circuit Current lo
Internal Output Resistance
µA
µA
Ω
f = 1 kHz
Reference Voltage VREF
401 VREF Reference Voltage
I(VREF) = 0...-1.6 mA
640
770
985
mV
iC-PN2656
PHASED ARRAY NONIUS ENCODER 26-256
Rev A4, Page 6/7
APPLICATION CIRCUITS
Disc
iC-PNxxxx
iC-MN
Figure 1: Application example of absolute encoder circuit.
This specification is for a newly developed product. iC-Haus therefore reserves the right to change or update, without notice, any information contained herein,
design and specification; and to discontinue or limit production or distribution of any product versions. Please contact iC-Haus to ascertain the current data.
Copying – even as an excerpt – is only permitted with iC-Haus approval in writing and precise reference to source.
iC-Haus does not warrant the accuracy, completeness or timeliness of the specification on this site and does not assume liability for any errors or omissions
in the materials. The data specified is intended solely for the purpose of product description. No representations or warranties, either express or implied, of
merchantability, fitness for a particular purpose or of any other nature are made hereunder with respect to information/specification or the products to which
information refers and no guarantee with respect to compliance to the intended use is given. In particular, this also applies to the stated possible applications or
areas of applications of the product.
iC-Haus conveys no patent, copyright, mask work right or other trade mark right to this product. iC-Haus assumes no liability for any patent and/or other trade
mark rights of a third party resulting from processing or handling of the product and/or any other use of the product.
As a general rule our developments, IPs, principle circuitry and range of Integrated Circuits are suitable and specifically designed for appropriate use in technical
applications, such as in devices, systems and any kind of technical equipment, in so far as they do not infringe existing patent rights. In principle the range of
use is limitless in a technical sense and refers to the products listed in the inventory of goods compiled for the 2008 and following export trade statistics issued
annually by the Bureau of Statistics in Wiesbaden, for example, or to any product in the product catalogue published for the 2007 and following exhibitions in
Hanover (Hannover-Messe).
We understand suitable application of our published designs to be state-of-the-art technology which can no longer be classed as inventive under the stipulations
of patent law. Our explicit application notes are to be treated only as mere examples of the many possible and extremely advantageous uses our products can
be put to.
iC-PN2656
PHASED ARRAY NONIUS ENCODER 26-256
Rev A4, Page 7/7
ORDERING INFORMATION
Type
Package
Options
Order Designation
iC-PN2656
-
iC-PN2656 chip
QFN32 5 mm x 5 mm (clear)
QFN32 5 mm x 5 mm (black)
optoBGA 6.2 mm x 5.2 mm
iC-PN2656 cQFN32
iC-PN2656 oQFN32
iC-PN2656 oBGA LSH2C
Encoder discs
Nonius code disc
255/256/240 PPR,
OD/ID ∅26/11.6 mm, glass
LSHC4S 26-256N
LSHC5S 26-256N
Nonius code disc
255/256/240 PPR,
OD/ID ∅26/7 mm, plastic
For technical support, information about prices and terms of delivery please contact:
iC-Haus GmbH
Tel.: +49 (61 35) 92 92-0
Am Kuemmerling 18
D-55294 Bodenheim
GERMANY
Fax: +49 (61 35) 92 92-192
Web: http://www.ichaus.com
E-Mail: sales@ichaus.com
Appointed local distributors: http://www.ichaus.de/support_distributors.php
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