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參數(shù)資料
| 型號： | UPC1854AGT |
| 廠商： | NEC Corp. |
| 英文描述： | I2C BUS-COMPATIBLE US MTS PROCESSING LSI |
| 中文描述： | I2C總線兼容美國的多邊貿(mào)易體制處理LSI |
| 文件頁數(shù)： | 37/48頁 |
| 文件大小： | 251K |
| 代理商： | UPC1854AGT |
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μ
PC1854A
37
Data Sheet S12816EJ3V0DS00
Test Condition Parameters for Electrical Characteristics
(Unless otherwise specified, T
A
= 25
°
C, RH
≤
70 %, V
CC
= 9 V)
(1/7)
Parameter
Symbol
Test Conditions
User Mode
Note
Supply current
I
CC
I
CC
: Current sent to V
CC
pin when there is no signal
Monaural
Stereo detection input
sensitivity
ST
SENCE
ST
SENCE
: Input signal level of COM pin (input signal: 15.734 kHz)
Read register D6 : when changed from 0 to 1
Stereo
Stereo detection hysteresis
ST
HY
ST
HY
=20 log (ST
SENCE
÷
V)
ST
SENCE
: Stereo detection input sensitivity
V : Input signal level of COM pin (Input signal: 15.734 kHz)
Read register D6 : First set to 1, then changed to 0 by gradually
lowering input signal level.
Stereo detection
capture range
ST
CCL
ST
CCL
=
f
÷
15.734 kHz
f : Difference between f and 15.734 kHz
f : With signal (14.5 kHz, 30 mV
rms
) input to COM pin;
The frequency, which is gradually raised and measured when
read register D6 becomes 1
ST
CCH
ST
CCH
=
f
÷
15.734 kHz
f : Difference between f and 15.734 kHz
f : With signal (17.0 kHz, 30 mV
rms
) input to COM pin;
The frequency, which is gradually lowered and measured when
read register D6 becomes 1
SAP detection input
sensitivity
SAP
SENCE
SAP
SENCE
: Input signal level of COM pin (input signal: 78.67 kHz)
Read register D5 : when changed from 0 to 1
SAP
SAP detection hysteresis
SAP
HY
SAP
HY
=20 log (SAP
SENCE
÷
V)
SAP
SENCE
: SAP detection input sensitivity
V: Input signal level of COM pin (Input signal: 78.67 kHz)
Read register D5 : First set to 1, then changed to 0 by gradually
lowering input signal level.
Noise detection input
sensitivity
NO
SENCE
NO
SENCE
: Input signal level of COM pin
Read register D4 : Changed to 0 by applying 6-V DC voltage to
SDT pin.
Read register D4 : With signal (160 kHz, 10 mVrms) input to
COM pin;
Changed to 1 by raising the frequency until
the DC voltage of the NDT pin reaches the
maximum level and, with maintaining this
frequency, gradually raising the input signal
level.
Noise detection hysteresis
NO
HY
NO
HY
= 20 log (NO
SENCE
÷
V)
NO
SENCE
: Noise detection input sensitivity
V: Input signal level of NDT pin
COM pin : Signal (160 kHz, 90 mVrms) input
Read register D4 : First set to 1, then changed to 0 by raising
the frequency until the DC voltage of the
NDT pin reaches the maximum level and,
with maintaining this frequency, gradually
raising the input signal level.
Monaural total output voltage V
OMO
V
OMO
: Output voltage of ROT and LOT pins
COM pin: Monaural signal (300 Hz, 100% modulation) input
Monaural
Note
For details about the User Mode, refer to chapter
5. MODE MATRIX
.
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