參數(shù)資料
型號： C1851BCU
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)： 43/60頁
文件大?。?/td> 447K
代理商： C1851BCU
48
PC1851B
Data Sheet S13417EJ2V0DS00
Test Condition Parameters for Electrical Characteristics
(Unless otherwise specified, TA = 25 C, RH
≤ 70 %, VCC = 9 V, adding 30 kHz LPF to output pins)
(1/8)
Parameter
Symbol
Test Conditions
User Mode Note
Supply current
ICC
ICC : Current sent to VCC pin when there is no signal
Monaural
Stereo detection input
STSENCE
STSENCE : Input signal level of COM pin (input signal: 15.734 kHz)
Stereo
sensitivity
When read register D6 changes from 0 to 1
Stereo detection hysteresis
STHY
STHY =20 log (STSENCE
÷ V)
STSENCE: 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
STCCL
STCCL =
f ÷ 15.734 kHz
capture range
f: Difference between f and 15.734 kHz
f: Input signal (14.5 kHz, 30 mVrms) to COM pin.
Gradually raise frequency and measure frequency
when read register D6 becomes 1.
STCCH
STCCH =
f ÷ 15.734 kHz
f: Difference between f and 15.734 kHz
f: Input signal (17.0 kHz, 30 mVrms) to COM pin.
Gradually lower frequency and measure frequency
when read register D6 becomes 1.
SAP detection input
SAPSENCE
SAPSENCE : Input signal level of COM pin (input signal: 78.67 kHz)
SAP
sensitivity
When read register D5 changes from 0 to 1
SAP detection hysteresis
SAPHY
SAPHY =20 log (SAPSENCE
÷ V)
SAPSENCE: 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
NOSENCE
NOSENCE: Input signal level of COM pin
SAP
sensitivity
Read register D4: Apply 6-V DC voltage to SDT pin to change it to 0
Read register D4: Input signal (160 kHz, 10 mVrms) 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.
Noise detection hysteresis
NOHY
NOHY = 20 log (NOSENCE
÷ V)
NOSENCE: Noise detection input sensitivity
V: Input signal level of NDT pin
COM pin: Signal (160 kHz, 10 mVrms) 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
VOMO
VOMO : Output voltage of FOL and FOR pins
Monaural
COM pin: Monaural signal (300 Hz, 100 % modulation) input
Stereo total output voltage
VOST
L-channel
Stereo
VOST : Output voltage of FOL pin
COM pin: Stereo signal (L-only, 300 Hz, 100 % modulation) input
R-channel
VOST : Output voltage of FOR pin
COM pin: Stereo signal (R-only, 300 Hz, 100 % modulation) input
Note
For details about the User Mode, refer to 5. MODE MATRIX.
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