LC78620E Datasheet, PDF (4/34 Pages) Sanyo Semicon Device – Compact Disc Player DSP

LC78620E
Continued from preceding page.
Parameter
Symbol
Conditions
min
typ
max
Unit
V_OL (1)
EFMO, EFMO, CLV⁺, CLV^–, V/P, FOCS, PCK, FSEQ,
TOFF, TGL, THLD, JP⁺, JP^–, EMPH, EFLG, FSX:
I_OL = 1 mA
1
V
Output low level voltage
V_OL (2)
MUTEL, MUTER, LRCKO, DFORO, DFOLO, DACKO,
TST10, LRSY, CK2, ROMXA, C2F, SBSY, PW, SFSY,
WRQ, SQOUT, TST11, 16M, 4.2M, CONT, LASER:
I_OL = 2 mA
0.4
V
V_OL (3) DOUT: I_OL = 12 mA
0.5
V
V_OL (4) FST: I_OL = 5 mA
0.75
V
V_OL (5) LCHP, RCHP, LCHN, RCHN: I_OL = 1mA
0.5
Output off leakage current
I_OFF (1) PDO, CLV⁺, CLV^–, JP⁺, JP^–, FST: V_OUT = 5 V
I_OFF (2) PDO, CLV⁺, CLV^–, JP⁺, JP^–: V_OUT = 0 V
–5
2.0
V
5
µA
µA
Charge pump output current
I_PDOH
I_PDOL
PDO: R_ISET = 68 kΩ
PDO: R_ISET = 68 kΩ
100
125
150
µA
–150
–125
–100
µA
Note: For guaranteed operation, the VCO oscillator frequency range adjustment resistor FR must be a 5.10 kΩ ±1.0% tolerance resistor.
One-Bit D/A Converter Analog Characteristics
at Ta = 25°C, V_DD = LV_DD = RV_DD = 5 V, V_SS = LV_SS = RV_SS = 0 V
Parameter
Symbol
Conditions
min
typ
max
Unit
Total harmonic distortion
LCHP, RCHP, LCHN, RCHN; 1 kHz: 0 dB data input,
THD + N _{using the 20 kHz low-pass filter (AD725D built in)}
0.008
0.010
%
Dynamic range
LCHP, RCHP, LCHN, RCHN; 1 kHz: –60 dB data input,
DR
using the 20 kHz low-pass filter and the A filter
84
88
dB
(AD725D built in)
LCHP, RCHP, LCHN, RCHN; 1 kHz: 0 dB data input,
Signal-to-noise ratio
S/N
using the 20 kHz low-pass filter and the A filter
98
100
dB
(AD725D built in)
Crosstalk
LCHP, RCHP, LCHN, RCHN; 1 kHz: 0 dB data input,
CT
using the 20 kHz low-pass filter (AD725D built in)
96
98
dB
Note: Measured with the normal-speed playback mode in the Sanyo one-bit D/A converter block reference digital attenuator circuit set to EE (hexadecimal).
Figure 1 Command Input
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