參數(shù)資料
型號： UPC1851BCU
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)： 48/60頁
文件大?。?/td> 447K
代理商： UPC1851BCU
48
μ
PC1851B
Data Sheet S13417EJ2V0DS00
Test Condition Parameters for Electrical Characteristics
(Unless otherwise specified, T
A
= 25 C, RH
≤
70 %, V
CC
= 9 V, adding 30 kHz LPF to output pins)
(1/8)
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)
When read register D6 changes 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 is first set to 1, then input signal level is gradually
lowered until D6 is changed to 0
Stereo detection
capture range
ST
CCL
ST
CCL
=
f
÷
15.734 kHz
f: Difference between f and 15.734 kHz
f: Input signal (14.5 kHz, 30 mV
rms
) to COM pin.
Gradually raise frequency and measure frequency
when read register D6 becomes 1.
ST
CCH
ST
CCH
=
f
÷
15.734 kHz
f: Difference between f and 15.734 kHz
f: Input signal (17.0 kHz, 30 mV
rms
) to COM pin.
Gradually lower frequency and measure frequency
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)
When read register D5 changes 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)
When read register D5 is first set to 1, input signal level is gradually
lowered until D5 becomes 0.
Noise detection input
sensitivity
NO
SENCE
NO
SENCE
: Input signal level of COM pin
Read register D4: Apply 6-V DC voltage to SDT pin to change it to 0
Read register D4: Input signal (160 kHz, 10 mV
rms
) to COM pin.
Raise the frequency until the DC voltage of the NDT pin reaches
the maximum level, and then, while maintaining the frequency
level, gradually raise the input signal level until D4 becomes 1.
SAP
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, 10 mV
rms
) input
After read register D4 is set to 1, raise the frequency until the DC
voltage of the NDT pin reaches the maximum level, and then,
while maintaining the frequency level, gradually lower the input
signal level until D4 becomes 0.
Monaural total output voltage
V
OMO
V
OMO
: Output voltage of FOL and FOR pins
COM pin: Monaural signal (300 Hz, 100 % modulation) input
Monaural
Stereo total output voltage
V
OST
L-channel
V
OST
: Output voltage of FOL pin
COM pin: Stereo signal (L-only, 300 Hz, 100 % modulation) input
R-channel
V
OST
: Output voltage of FOR pin
COM pin: Stereo signal (R-only, 300 Hz, 100 % modulation) input
Stereo
Note
For details about the User Mode, refer to
5. MODE MATRIX
.
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