SAA7348GP Datasheet, PDF (48/60 Pages) NXP Semiconductors – All Compact Disc Engine ACE

Philips Semiconductors
All Compact Disc Engine (ACE)
Preliminary specification
SAA7348GP
10 CHARACTERISTICS
10.1 General characteristics
V_DDD(pads) = 4.5 to 5.5 V; V_DDD(core) = 3.0 to 3.6 V; V_DDA = 3.0 to 3.6 V; V_SS = 0; T_amb = 0 to 70 °C; unless otherwise
specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
Supply
V_DDD(pads)
digital supply voltage for pad
cells
4.5
5.0
5.5
V
V_DDD(core)
digital supply voltage for the
core
3.0
3.3
3.6
V
V_DDA
I_DD
analog supply voltage
supply current
n = 8 mode
3.0
3.3
−
90
3.6
V
−
mA
Servo analog section (V_DDD(pads) = 5.0 V; V_DDD(core) = 3.3 V; V_DDA = 3.3 V; V_SS = 0; T_amb = 25 °C)
PINS: D1, D2, D3, D4, S1, S2, V_RH, I_refT, FTC_L AND FTC_H
C_int
internal capacitor D1, D2, D3,
D4, S1 and S2
I_IrefT
input current for I_refT
f_sys = 4.2336 MHz;
notes 1 and 2
R_IrefT
external resistor on I_refT
f_sys = 4.2336 MHz;
notes 1 and 2
I_D
input current for central diode f_sys = 4.2336 MHz;
input signal
notes 2 and 3
I_S(max)
maximum input current for
satellite diode input signal
f_sys = 4.2336 MHz;
notes 2 and 3
I_IrefT
input current for I_refT
f_sys = 8.4672 MHz;
notes 1 and 2
R_IrefT
external resistor on I_refT
f_sys = 8.4672 MHz;
notes 1 and 2
I_cd
input current for central diode f_sys = 8.4672 MHz;
input signal
notes 2 and 3
I_sd
input current for satellite diode f_sys = 8.4672 MHz;
input signal
notes 2 and 3
V_IrefT
V_{D1-D4, S1, S2}
voltage on current input I_refT
voltage on current inputs D1,
D2, D3, D4, S1 and S2
V_GAP
V_RH
t_ch(VRH)
(THD+N)/S
band gap voltage
HIGH level reference voltage
charge time V_RH buffer
total harmonic
distortion-plus-noise to signal
ratio
note 4
at 0 dB; note 5
100
1.99
202
3.97
1.99
3.97
101
7.94
3.97
−
−
−
0.5
−
−
−
−
pF
−
5.95
µA
−
603
kΩ
−
11.91
µA
−
5.95
µA
−
11.91
µA
−
302
kΩ
−
23.81
µA
−
11.91
µA
virtual V_GAP −
V
virtual V_SSA −
V
1.2
−
V
−
2.5
V
−
50
ns
−50
−45
dB
1997 Jul 11
48