R3110-CBAA-E1T [ONSEMI]
用于助听器的预装 DSP 方案;
| 型号： | R3110-CBAA-E1T |
| 厂家： | 
ONSEMI |
| 描述： | 用于助听器的预装 DSP 方案 |
| 文件： | 总15页 (文件大小：290K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Pre-fit DSP Solution for
Hearing Aids
RHYTHM R3110
Introduction
The RHYTHMt R3110 hybrid from ON Semiconductor is
a pre−fit DSP system that is based on a two−channel compression
circuit and designed for entry level hearing aids. With no need for
software configuration nor that of storing audiology parameters via
computer fitting, R3110 is a simple, cost−effective solution with many
features found in high−end hearing aids, including Adaptive Noise
Reduction and Adaptive Feedback Cancellation. R3110 is targeted at
replacing aging analog solutions; it offers the same ease of use, yet
provides the superior performance of digital technology. In its
simplest configuration, a hearing aid build using R3110 only requires
four external electronic components.
www.onsemi.com
21−PAD HYBRID
CASE 127DF
PIN NUMBERING
Key Features and Benefits
15
14
13
12
11
10
9
16
17
18
19
20
21
8
1
2
3
4
5
6
7
• Pre−Fit Audiology Parameters− All sound−processing algorithms
are preprogrammed to enable manufacturers to develop hearing aids
in a variety of form−factors and to fit a wide range of hearing loss
profiles. The device can also be configured for additional use−cases
through hardware settings.
• Trimmer−Based Fitting− Up to four trimmers can be deployed,
offering manufacturers the capability to modify most parameters that
are important for patient fitting.
• Mode Control− Provides a variety of user control options:
momentary or static switches, as well as an analog volume control.
• Adaptive Feedback Canceller− Automatically reduces acoustic
feedback. It allows for an increase in stable gain while minimizing
artifacts for music and tonal input signals
• Automatic Telecoil Support− Supports the use of telecoil devices,
enabled either automatically with a magnetic sensitive switch or via
an external switch
(Bottom View)
MARKING DIAGRAM
R3110−CBAA
######
R3110−CBAA = Specific Device Code
## = Work Order Number
• Adaptive Noise Reduction− The adaptive noise reduction algorithm
monitors signal and noise activities in 32 individual bands and
carefully reduces noise
ORDERING INFORMATION
See detailed ordering and shipping information on page 13 of
this data sheet.
• Tinnitus Masking− A noise source can be enabled to mask tinnitus.
The noise level is adjustable and mixed with the audio path. Spectral
shaping is also possible using the high−cut and low−cut filters.
© Semiconductor Components Industries, LLC, 2015
1
Publication Order Number:
March, 2021 − Rev. 2
R3110/D
RHYTHM R3110
KEY SPECIFICATIONS
• Trimmer−Based Fitting:
♦ Low−Cut Filter Corner Frequency
♦ High−Cut Filter Corner Frequency
♦ Wideband Gain
• Basic Acoustic Indicators
• High Quality 20−bit Audio Processing
• High Power/High Gain Capability
• 16 kHz sampling rate (8 kHz bandwidth)
• High Fidelity Audio CODEC
♦ Tinnitus Noise Level
♦ Output Limiting (AGC−O)
• Three Input Modes
• 96 dB Input Dynamic Range
• Drives Zero−Bias Two−Terminal Receivers
♦ Simple Mode
♦ Advanced Mode
♦ Telecoil Mode
• E1 RoHS−compliant Hybrid
• Hybrid Typical Dimensions:
• Push Button Support
• Analog Volume Control
♦ 200 x 122 x 39.4 mil (5.08 x 3.1 x 1.0 mm)
• R3110 is Pb−Free and RoHS Compliant
BLOCK DIAGRAM
VC AGCO
LC HC
VB
8
TC−EN MS
12
14
19
18
10
9
R3110
Mode
Control
15
1
VREG
MIC
Feedback
Cancellation
7
VBP
Two−
Channel
WDRC
&
−
5
6
+
+
+
OUT+
+
Gain
Controls
Filtering
H−Bridge
A/D
A/D
OUT−
Noise
+
+
Reduction
16
2
TC−IN
4
PGND
Tinnitus
Noise
Generation
Acoustic
Indicators
MGND
13
21
3
WG/NL
TN−EN
GND
Figure 1. R3110 Block Diagram
SPECIFICATIONS
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Value
Unit
Operating Temperature Range
Storage Temperature Range
0 to 40
−20 to + 70
25
°C
°C
Absolute Maximum Power Dissipation
Maximum Operating Supply Voltage
Absolute Maximum Supply Voltage
mW
VDC
VDC
1.65
1.8
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
WARNING: Electrostatic Sensitive Device − Do not open packages or handle except at a static−free workstation.
WARNING: Moisture Sensitive Device − RoHS Compliant; Level 3 MSL. Do not open packages except under controlled conditions.
www.onsemi.com
2
RHYTHM R3110
Table 2. ELECTRICAL CHARACTERISTICS (Supply Voltage VB = 1.25 V; Temperature = 25°C)
Parameter
Hybrid Current
Symbol
IAMP
Conditions
All functions, trimmers at default
Ramp down, audio path
Ramp down, control logic
Ramp up
Min
−
Typ
550
Max
−
Units
mA
Minimum Operating Supply Volt-
age
VBOFF
0.93
0.77
1.06
0.95
0.80
1.10
0.97
0.83
1.16
V
Supply Voltage Turn On Thresh-
old
VBON
V
Low Frequency System Limit
High Frequency System Limit
Total Harmonic Distortion
THD at Maximum Input
Audio Path Latency
System Power on Time
REGULATOR
−
−
−
−
−
−
−
−
−
125
8
−
Hz
kHz
%
−
THD
THDM
−
VIN = −40 dBV
VIN = −15 dBV
8 kHz bandwidth
−
1
3
−
−
−
%
4.2
3000
ms
ms
−
Regulator Voltage
V
−
0.87
54
0.90
55
0.93
V
REG
Regulator PSRR
PSRRSYS
1 kHz, Input referred
−
dB
INPUT
Input Referred Noise
Input Impedance
IRN
Bandwidth 100 Hz− 8kHz
−
−
−108
3
−
−
dBV
MW
dB
ZIN
1 KHz
Anti−Aliasing Filter Rejection
Crosstalk
−
f = fCLK/2 − 8 kHz, VIN = −40 dBV
−
80
60
−13
−
−
−
Between both A/D and Mux
−
−
dB
Maximum Input Level
Analog Input Voltage Range
−
−
−15
0
−
dBV
mV
VAN_IN
VAN_TIN
−
VIN1
TIN
800
800
96
−100
−
−
Input Dynamic Range
OUTPUT
Bandwidth 100 Hz − 8 kHz
95
dB
D/A Dynamic Range
Output Impedance
−
100 Hz− 8 kHz
−
−
88
10
−
dB
ZOUT
−
13
W
VOLUME CONTROL AND TRIMMERS
Control Resistance
−
−
−
−
−
−
−
−
−
Three− terminal connection
100
−
−
360
−
kW
V
Zero Scale Level
−
0
Full Scale Level
−
−
VREG
−
V
Volume Control Range
−
−42
10
−
−
−
−
−
−
0
dB
Hz
Hz
dB
dB
dB
Low Cut Filter Control Range
High Cut Filter Control Range
Wideband Gain Control Range
Noise Level Control Range
AGCO Control Range
−
2000
8000
0
−
TN−EN grounded or floating
TN−EN pulled to VB
−
1000
−30
−100
−30
−25
0
DIGITAL CONTROL PINS
Pull−down resistance
−
−
−
−
−
−
−
1
−
−
−
MW
pA
Low−level current with pull−down
High−level current with pull−down
Vi = 0
Vi = VB
100
−1.2
mA
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
www.onsemi.com
3
RHYTHM R3110
Table 3. PIN CONNECTIONS
Pin
Pin
Number
Name
Signal Description
A/D/P
A
I/O
I
Active
Pull
1
2
MIC
MGND
GND
PGND
OUT+
OUT-
VBP
Front microphone input
Microphone ground
Ground
P
I
3
P
I
4
Receiver ground
Receiver positive output
Receiver negative output
H−bridge power supply
Main power supply
Mode select
P
I
5
A
O
O
I
6
A
7
P
8
VB
P
I
9
MS
D
D
−
I
RE
H
PD
PD
10
11
12
13
14
15
16
17
18
19
20
21
TC−EN
N/C
Telecoil enable
I
No connect
−
I
VC
Volume control
A
WG/NL
AGCO
VREG
TC−IN
N/C
Wideband gain / Tinnitus noise level
AGCO level
A
I
A
I
Regulated voltage
Telecoil input
P
O
I
A
No connect
−
−
I
LC
Low−cut filter control
High−cut filter control
No connect
A
HC
A
I
N/C
−
−
I
TN−EN
Tinnitus noise enable
D
H
PD
A/D/P:
Active:
A: Analog pin
D: Digital pin
P: Power pin
RE: Active on a rising edge
H: Active High
Pull:
PD: Pulled down to GND
I/O:
I: Input
O: Output
www.onsemi.com
4
RHYTHM R3110
TYPICAL APPLICATION
RCVR
MGND
2
PGND
4
GND
3
OUT+ OUT−
VBP
7
MIC
1
5
6
MIC
TN−EN
VB
8
N/C
17
LC
18
HC
19
N/C
20
TC−IN
16
21
VREG
15
AGCO
14
TC−EN
MS
9
VC
12
N/C
11
WG/
NL
13
10
VC POT
+
−
AGCO
14
VC
HC
TC−EN MS
LC
VB
12
19
10
18
8
9
VREG
Mode
R3110
15
Control
Feedback
Cancellation
VBP
MIC
7
1
OUT+
Two−
−
Channel
WDRC
&
5
6
+
+
+
+
Gain
Controls
Filtering
H−Bridge
A/D
A/D
Noise
+
+
Reduction
TC−IN
OUT−
16
4
Tinnitus
Noise
MGND
Generation
Acoustic
Indicators
2
PGND
13
21
3
WG/NL TN−EN
GND
Figure 2. A typical hearing device with R3110: Reference Schematic and Wiring Diagram
www.onsemi.com
5
RHYTHM R3110
FUNCTIONAL BLOCK DESCRIPTION
Analog Input and Output Stages
Similarly to the microphone selection, R3110 is designed
to support a variety of zero−bias hearing aid receivers. For
high power devices, a first order RC filter is recommended
to ensure a clean power supply to R3110, despite the large
current required by the receiver. Refer to Figure 3 for a
recommended high−power output filter.
R3110 provides two analog inputs: Microphone 1 (MIC),
and Telecoil (TC−IN). The following input modes can be
selected:
1. Simple Mode, which features two channels of
compression. This mode is ideally suited for
analog replacement hearing aids and for quiet
listening environments.
2. Advanced Mode, where the addition of Adaptive
Noise Reduction and Adaptive Feedback
Cancellation offers the user better listening comfort
in noisier listening environments.
NOTE: You can set Advanced Mode as the default
by tying the MS pin to the VB pin.
3. Telecoil Mode (TCM), where R3110 is not
processing any microphone signal and is only
sampling the signal coming from a telecoil device
present on the TC−IN pin.
Important Note: All input transducers (microphones and
telecoil) shall use the VREG pin for power and the MGND
pin for ground. All unused analog inputs shall be connected
to MGND. The MGND pin shall not be connected to the
main ground pin (GND)
R3110 includes two 2nd−order sigma−delta analog to
digital converters that are used to sample the relevant analog
inputs, according to the selected input mode in which the
device is operating. The inputs are preconditioned with
anti−alias filtering and amplification before being supplied
to the Digital Signal Processing engine (DSP).
After processing by the DSP, a digital to analog converter
comprised of a 3rd−order sigma−delta modulator and an
H−bridge will render the processed signal into the analog
domain. The modulator accepts digital audio data from the
DSP path and converts it into a 64−times oversampled, 1−bit
PDM data stream, which is then supplied to the H−bridge.
The H−bridge is a specialized CMOS output driver used to
convert the 1−bit data stream into a low−impedance,
differential output voltage waveform suitable for driving
zero−biased hearing aid receivers.
Figure 3. Typical High−Power Filter
Telecoil Support
R3110 is designed to support multiple uses of a telecoil
device. It allows transitioning into telecoil mode upon the
closing of a switch connected to the TC−EN pin (#10). A
static 2−pole switch can be used to initiate such a transition.
Alternatively, with a magnetic sensitive switch (such as a GMR
or Reed switch) connected to TC−EN, the static magnetic
field of a telephone handset will close the switch whenever
the handset is brought close to the hearing aid, resulting in
R3110 changing to telecoil mode (TCM). When this
functionality is used, the MS pin (#9) shall be left floating.
For both cases, static and automatic telecoil control, a
debouncing algorithm is used to prevent undesired
switching in and out of telecoil mode due to mechanical
switch bounces. Upon detecting a close to open switch
transition, the debounce algorithm monitors the switch
status and switches R3110 out of telecoil mode and back to
the initial mode, only once the switch signal has been
continuously sampled open over a 1.5 seconds period.
A third option allows R3110 to enter the telecoil mode
when only a momentary push button is used on the mode
select pin (MS) and no switch is present on TC−EN. Please
refer to the Push Button Support section for additional details.
Microphone and Receiver Selection
R3110 supports multiple types of three−terminal hearing
aid microphones operating from a regulated voltage of
0.9 V. Acoustic−referred threshold values for the Wide
Dynamic Range Compressor (WDRC) engine and acoustic
indicators are also determined by the microphone sensitivity
and frequency response. The adaptive feedback suppression
and adaptive noise reduction automatically adjust their
behavior according to the properties of the selected
microphone.
www.onsemi.com
6
RHYTHM R3110
Channel Processing
R3110 includes a two−channel processing system with the I/O characteristics as defined in Figure 4:
Squelch /
Expansion
LL
Linear
HL
Linear
Compression
Limiting
120
110
100
90
AGCO
CR
80
70
EXR
60
50
20
30
40
50
60
70
80
90
100
110
120
Input Level (dBSPL)
Figure 4. Wide Dynamic Range Compression
The WDRC as defined in R3110 has identical settings for
each of the two channels, but the gains in each of these two
channels may be different, depending on the dynamics of the
incoming signals. They crossover frequency between the
two channels is set at 1.625 kHz.
will result in a different behavior of the WDRC. In such
cases, the WDRC parameters can easily be recalculated,
knowing that the microphone sensitivity that was used is
−126 dBV / dBSPL, and that the default receiver sensitivity
that was used is of 115.4 dBSPL / dBV. The selected units
for these sensitivities have been selected such that they are
compatible with traditional software tools for other
ON Semiconductor preconfigured products.
The I/O curve can be divided into five main regions:
• A low input level expansion (squelch) region with a
compression ratio of 1:2
As shown in Figure 4, one of the parameters that can be
controlled is the Wideband Gain. A number of curves are
shown, with the default value being the maximum wideband
gain (0 dB). The minimum value for this parameter is
−30 dB, which has quite some impact on the WDRC.
A second and last parameter can be modified on R3110,
is the limiting factor (AGCO). Figure 5, shows the input
output curve for the default wideband gain configuration
(0 dB), but with all the different options of the limiting factor
and their impact on the output level.
• A low input level linear region
• A compression region with a compression ratio of 1.6:1
• A high input level linear region (return to linear)
• A limited output region
The configuration of the WDRC parameters has been
calculated with a default microphone and receiver selection
such that all the quantities shown on the graph represent
acoustic quantities. As previously explained, any change in
microphone or receiver characteristics and or sensitivities
www.onsemi.com
7
RHYTHM R3110
120
110
100
90
AGCO = 0 dB
AGCO = 30 dB
80
70
60
50
20
30
40
50
60
70
80
90
100
110
120
Input Level (dBSPL)
Figure 5. Controlling the Output Limiter (AGC−O)
www.onsemi.com
8
RHYTHM R3110
Adaptive Noise Reduction
• HC: Allows to configure the high−cut filter corner
The Adaptive Noise Reduction (ANR) algorithm deploys
a high resolution 32−band filter bank enabling precise
reduction of noise. The algorithm monitors the signal−to−
noise ratio activity in these bands, and calculates a separate
attenuation gain for each of the 32 bands. Noise reduction
has been included in the advanced hearing aid mode option
which can be obtaind either by using a momentary memory
select switch on MS1 (allowing the switching between
Basic, Advanced and telelcoil mode) or by hard wiring MS
to VB to automatically start in Advanced Mode.
frequency
• WG/NL: Allows adjusting either the wideband gain, or
the tinnitus noise level, depending on the state of the
TN−EN pin (enables the tinnitus noise generation
algorithm). When configured for its Wideband Gain
functionality (WG), this pin allows controlling the
overall gain of the device as per the 16 values defined
in Table 4. When used in its Noise Level (NL)
functionality, it only scales the level of the generated
tinnitus noise as per one of the 16 values also defined in
Table 4.
Third Generation Adaptive Feedback Canceller
The third generation Adaptive Feedback Canceller (AFC)
reduces acoustic feedback by calculating an estimate of the
hearing aid feedback signal and then subtracting it from the
hearing aid input signal. The forward path of the hearing aid
is not affected. Unlike adaptive notch filter approaches, the
AFC in R3110 does not reduce the hearing aid’s gain. The
AFC is based on a time−domain model of the feedback path.
The AFC allows for an increase in the stable gain of the
hearing instrument while minimizing artefacts on music and
tonal input signals. The AFC is fully automatic and is
configured in R3110 to support all types of hearing aids,
allowing a distance from receiver to microphone as low as
2 centimeters. AFC is available in Advanced Mode and can
be selected via the MS pin with a push button or by hard
wiring MS to VB.
• AGCO: Allows to select the maximum output signals to
adjust to a particular receiver. The AGC−O module is
an output limiting circuit with a fixed compression ratio
of ∞ : 1. The limiting level is adjustable through the
AGCO pin as a level measured in dB from full scale.
The maximum output of the device is 0 dBFS. The
AGC−O module has its own level detector, with fixed
attack and release time constants.
Figure 1 shows the signal path and the relative position of
these filtering and amplification blocks in the audio path.
There are three possible ways to use these configuration
pins:
1. No configuration is performed; in this case, the
four configuration pins are connected to VREG.
R3110 will be using its predefined default values
for all four parameters. The default values are
defined by the configuration #16 in Table 4 below.
2. Resistive dividers are used to provide a fixed value
to any of the parameters controlled by the four
configuration pins. Table 4 shows parameter
values related to corresponding configuration
numbers (1 to 16). Figure 6 lists the corresponding
component values to use in the resistive divider
(R1 and R2).
Analog Volume Control
The external analog volume control works with a
three−terminal 100 kW – 360 kW potentiometer connected
between ground (GND) and the regulated voltage (VREG).
The volume control shall have a linear taper. The
potentiometer must be connected to the VC pin. It allows
controlling the output attenuation from full scale down to
approximately 42 dB under full scale. This volume control
does not affect the tinnitus noise signal level when used.
3. A trimmer can be connected to any of the four
configuration pins, allowing the parameter to be
controlled by the audiologist or the end user. The
trimmer shall be a three−terminal 100 kW linear
taper. The range that the trimmer will offer is
defined in Table 4. Maximum gains and frequency
ranges are obtained with the default value set #16,
which also corresponds to the default position of
the trimmer, which is obtained when the trimmer
is turned to its end position, clock wise.
Trimmers
R3110 is
a pre-fit device for which all the
sound−processing algorithm parameters have been
preconfigured. Nonetheless, four parameters have been
assigned to four trimmer pins (referred to as “configuration
pins” throughout this document, allowing these parameters
to be adjusted externally. The four configuration pins are the
following:
• LC: Allows to configure the low−cut filter corner
frequency
www.onsemi.com
9
RHYTHM R3110
Figure 6. 16 Configurations and their Resistor Values
Table 4. PARAMETER VALUES AND RANGES
Pin Name:
LC
X
HC
X
WG/NL
0
WG/NL
1
AGCO
X
TN−EN
Low−Cut Filter
Corner Frequency
High−Cut Filter
Corner Frequency
Wideband
Gain
Parameter Description:
Units:
Noise Level
AGC−O
Hz
Hz
dB
dB
dB
Config #
Voltage on pin [mV]
900 (VREG)
870.1
Parameter Values
16 (Default)
10
8000
7500
7100
6700
6000
5600
4750
4000
3350
2800
2370
2000
1700
1400
1180
1000
0
−25
−30
−35
−40
−45
−50
−55
−60
−65
−70
−75
−80
−85
−90
−95
−100
0
15
14
13
12
11
10
9
125
−2
−2
831.4
160
−4
−4
782.2
200
−6
−6
725.1
250
−8
−8
658.3
315
−10
−12
−14
−16
−18
−20
−22
−24
−26
−28
−30
−10
−12
−14
−16
−18
−20
−22
−24
−26
−28
−30
579.2
400
493.9
500
8
406.9
630
7
320.8
800
6
241.7
1000
1250
1600
1700
1800
2000
5
174.9
4
117.8
3
68.55
2
29.88
1
0 (GND)
www.onsemi.com
10
RHYTHM R3110
Noise Generator for Tinnitus Treatment
♦ Telecoil mode: three faded tones with increasing
audio frequencies E4 (330 Hz), G4 (392 Hz) and C5
(523 Hz).
R3110 offers a dedicated pin to control the Tinnitus
Treatment noise generation algorithm: TN−EN. This pin has
an internal pull−down resistor to ground (GND), which
disables the algorithm by default. When activated (pulled to
VB), Tinnitus Treatment is generated deploying
amplitude−scaled white noise, depending on adjustments
made via pin WB/NL. When the TN−EN pin is set high
(connected to VB) to enable the tinnitus algorithm, the
WB/NL pin controls the generated noise level (NL) as per
Table 4. The noise is injected into the audio path, as shown
in the block diagram of Figure 1 and the entire audio signal
is shaped using the internal filters controlled by the LC and
HC pins. The VC pin and, consequently the amount of
attenuation that it selects, only affects the audio signal and
not the tinnitus noise level. The tinnitus mode can be used
in conjunction with all three modes (Simples, Advanced and
Telecoil). In this configuration, it will control the tinnitus
noise level instead.
• TC−EN pin : telecoil mode enabled
♦ Four sequential tones with increasing audio
frequencies C4 (262 Hz), E4 (330 Hz), G4 (392 Hz)
and C5 (523 Hz).
• Low battery
♦ Three sequential tones with decreasing audio
frequencies G4 (392 Hz), E4 (330 Hz) and C4
(262 Hz).
All tones exhibit a nominal 32 ms fade−in and fade−out
transition time. The duration of all the tones is 250 ms, and
the silence duration between tones is 50 ms. The level of the
tones is input referred and determined dynamically by
R3110 based on the input signal level as well as the volume
control.
Power Management and Low Battery Warning
As the voltage on the hearing aid battery decreases under
1.1 V, an audible warning signal is given to the user
indicating that the battery life is low. This indicator is
repeated every five minutes until the battery voltage is
further decreased under 0.88 V, at which point the device
shuts down. In addition to this audible warning and before
shut down, the hearing aid applies a sophisticated power
management scheme to ensure proper operation given the
weak battery supply and to maximize the device’s usable
battery life by reducing the gain to stabilize the supply based
on the instantaneous and average supply voltage levels.
Using the R3110 Solely as a Tinnitus Masker Device:
R3110 can also be used as a tinnitus only device with no
microphones at all, only one receiver. In this configuration
all inputs will be connected to MGND (MIC and TC−IN).
Push Button Support
R3110 supports the use of momentary switches via the
Mode Select (MS) pin (#9). It allows rotating between the
three input modes (Simple, Advanced and Telecoil) as
defined earlier, this in a sequential manner. A momentary
switch needs to connect the MS pin (#9) to the VB pin (#8)
to enable this functionality. R3110 will switch from Simple
to Advanced Mode, then Telecoil, and then back to Simple,
each time the momentary switch is pushed. When this
function is not desired in the end product, the hearing aid, the
MS pin can be left floating.
Evaluation Environment and Hybrid Jig
The performances of R3110 can be evaluated by using the
hybrid jig evaluation board. As can be seen on Figure 1, a
number of evaluation features have been designed on the
hybrid jig, such as input and output audio connectors, output
amplification circuitry, microphone headers, push buttons,
toggle switches, analog potentiometers, a USB connection
as well as a wealth of other useful features that will allow
easy evaluation of the R3110 hybrid.
Acoustic Indicators
In the configurations outlined both in the Telecoil Support
and in the Push Button Support sections, whenever R3110
transitions between modes, the audio path is temporarily
faded−out and an acoustic indicated is played. R3110 has
preconfigured acoustic indicators to notify the user of the
following events:
• Device startup
♦ Four sequential tones with the following audio
frequencies: A4 (440 Hz), F4 (349 Hz), G4
(392 Hz), C4 (262 Hz)
• MS pin: mode switches with momentary push button
♦ Simple mode: one tone at the C5 audio frequency
(523 Hz)
♦ Advanced mode: two sequential tones with
increasing audio frequencies G4 (392 Hz) and C5
(523 Hz), 250 ms duration and 50 ms silence
between the tones.
Figure 7. Hybrid Jig
www.onsemi.com
11
RHYTHM R3110
Aside from this evaluation hardware, a monitoring utility
When comparing results with and without adaptive
algorithms running, you should expect to see some
differences, depending on the test signal used.
is available and shown on Figure2. This basic command line
tool provides an extremely useful mechanism to read
important information out of a R3110 hybrid such that the
current input mode, the state of digital control pins, and the
presence of valid audio in the input channels or the status of
the configuration pins.
NOTE: Test Mode is not necessary in R3110’s Simple
Mode.
Monitoring Utility Batch Files
To make the use of the basic command line tool easier, a
set of batch files is provided which may be excecuted from
within the Windows environment. These files are located on
the R3110 product page at www.onsemi.com. Once you
have downloaded the file, please follow these steps:
1. Download and unzip the files to the
Test Mode
Using the R3110 Monitoring Utility, you can put R3110
into Test Mode, which disables adaptive algorithms and can
be useful when running tests that require this configuration.
There is also a secondary mechanism to enter Test Mode
which does not require the use of a computer or the
R3110MU\bin\ directory
2
connection of the I C pads. When a voltage of greater than
2. Right click on the batch file name with the
required parameters and save a shortcut to your
desktop
3. Clicking on the desktop shortcut will launch the
R3110 Monitor utility with the correct parameters.
1.5 V is applied to the VB pad during boot, R3110 will enter
Test Mode, even with MS tied to VB (which would normally
enable Advanced Mode). It is recommended to use a voltage
between 1.52 V and 1.57 V if possible. Do not exceed the
maximum supply voltage as described in Table 1.
You can exit Test Mode by restarting R3110 (at nominal
voltage) regardless of how it entered Test Mode.
Figure 8. Monitoring Utility
www.onsemi.com
12
RHYTHM R3110
ORDERING INFORMATION
Device
†
Marking
Package
Shipping
R3110−CBAA−E1T
R3110−E1
21 Pad Hybrid
250 Units / Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specification Brochure, BRD8011/D.
Hybrid Jig Ordering Information
To order a Hybrid Jig Evaluation Board for R3110, contact your Sales Account Manager or FAE and use part number
R3110GEVB.
Table 5. PAD POSITIONS AND DIMENSIONS
Pad Position
Pad Dimension
Xdim (mil / mm)
X (mil / mm)
−81.0 / −2.057
−54.0 / −1.372
−27.0 / −0.686
0.0 / 0.0
Y (mil / mm)
40.5 / 1.029
38.0 / 0.965
38.0 / 0.965
40.5 / 1.029
40.5 / 1.029
40.5 / 1.029
38.0 / 0.965
0.0 / 0.0
Ydim (mil / mm)
23.0 / 0.584
28.0 / 0.711
28.0 / 0.711
23.0 / 0.584
23.0 / 0.584
23.0 / 0.584
28.0 / 0.711
23.0 / 0.584
23.0 / 0.584
23.0 / 0.584
23.0 / 0.584
23.0 / 0.584
23.0 / 0.584
23.0 / 0.584
28.0 / 0.711
23.0 / 0.584
23.0 / 0.584
23.0 / 0.584
23.0 / 0.584
23.0 / 0.584
23.0 / 0.584
Pin No.
1
Pin Name
MIC
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
20.0 / 0.508
2
MGND
GND
PGND
OUT+
OUT−
VBP
3
4
5
27.0 / 0.686
54.0 / 1.372
81.0 / 2.057
81.0 / 2.057
81.0 / 2.057
54.0 / 1.372
27.0 / 0.686
0.0 / 0.0
6
7
8
VB
9
MS
−40.5 / −1.029
−40.5 / −1.029
−40.5 / −1.029
−40.5 / −1.029
−40.5 / −1.029
−40.5 / −1.029
−38.0 / −0.965
0.0 / 0.0
10
11
12
13
14
15
16
17
18
19
20
21
TC−EN
N/C
VC
WG/NL
AGCO
VREG
TC−IN
N/C
−27.0 / −0.686
−54.0 / −1.372
−81.0 / −2.057
−81.0 / −2.057
−54.0 / −1.372
−27.0 / −0.686
0.0 / 0.0
0.0 / 0.0
LC
0.0 / 0.0
HC
0.0 / 0.0
N/C
27.0 / 0.686
54.0 / 1.372
0.0 / 0.0
TN−EN
0.0 / 0.0
RHYTHM is a trademark of Semiconductor Components Industries, LLC.
www.onsemi.com
13
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
SIP21, 3.10x5.08
CASE 127DF
ISSUE O
DATE 20 MAR 2014
SCALE 2:1
NOTES:
E
A
B
1. DIMENSIONING AND TOLERANCING PER
ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. COPLANARITY APPLIES TO THE SPHERICAL
CROWNS OF THE SOLDER BALLS.
4. DIMENSIONS b, L, AND L1 ARE MEASURED AT
THE SURFACE OF THE PACKAGE BODY.
MILLIMETERS
PIN A1
D
INDICATOR
DIM
A
A1
A2
b
D
E
MIN
−−−
0.07
MAX
1.14
0.17
2X
0.10
C
0.889 REF
0.470
0.546
2X
3.100 BSC
0.10
C
5.080 BSC
0.686 BSC
1.029 BSC
0.965 BSC
TOP VIEW
SIDE VIEW
e
e1
e2
L
A2
A
0.546
0.673
0.622
0.749
0.13
C
L1
GENERIC
MARKING DIAGRAM*
0.05
C
A1
SEATING
NOTE 3
C
PLANE
XXXXXXXXXX
######
21X b
0.05
XX = Specific Device Code
## = Work Order Number
C
C
A
B
e
0.03
NOTE 4
*This information is generic. Please refer to
device data sheet for actual part marking.
Pb−Free indicator, “G” or microdot “ G”,
may or may not be present.
e2
A
B
C
e1
17X
L
RECOMMENDED
SOLDERING FOOTPRINT*
PACKAGE
0.686
OUTLINE
4X
L1
10X
1
2
3
4
5
6
7
PITCH
0.81
BOTTOM VIEW
7X
0.70
2.94
4X
0.94
A1
21X
0.56
DIMENSIONS: MILLIMETERS
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
DOCUMENT NUMBER:
DESCRIPTION:
98AON82679F
SIP21, 3.10X5.08
PAGE 1 OF 1
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
© Semiconductor Components Industries, LLC, 2019
www.onsemi.com
onsemi,
, and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba “onsemi” or its affiliates
and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property.
A listing of onsemi’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. onsemi reserves the right to make changes at any time to any
products or information herein, without notice. The information herein is provided “as−is” and onsemi makes no warranty, representation or guarantee regarding the accuracy of the
information, product features, availability, functionality, or suitability of its products for any particular purpose, nor does onsemi assume any liability arising out of the application or use
of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products
and applications using onsemi products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information
provided by onsemi. “Typical” parameters which may be provided in onsemi data sheets and/or specifications can and do vary in different applications and actual performance may
vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. onsemi does not convey any license
under any of its intellectual property rights nor the rights of others. onsemi products are not designed, intended, or authorized for use as a critical component in life support systems
or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should
Buyer purchase or use onsemi products for any such unintended or unauthorized application, Buyer shall indemnify and hold onsemi and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that onsemi was negligent regarding the design or manufacture of the part. onsemi is an Equal
Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
ADDITIONAL INFORMATION
TECHNICAL PUBLICATIONS:
Technical Library: www.onsemi.com/design/resources/technical−documentation
onsemi Website: www.onsemi.com
ONLINE SUPPORT: www.onsemi.com/support
For additional information, please contact your local Sales Representative at
www.onsemi.com/support/sales
相关型号：
©2020 ICPDF网 联系我们和版权申明