TDA5345HT Datasheet, PDF (35/44 Pages) NXP Semiconductors – 5 V spindle & VCM driver combo

Philips Semiconductors
5 V spindle & VCM driver combo
Preliminary specification
TDA5345HT
ELECTRICAL CHARACTERISTICS
(Condition: V_DD5 = 4.5-5.5 V; T_AMB = 0-85 °C; unless otherwise specified); GBD means Guaranted by Design.
1. Supply current
1-1 Analog and power supply (pin 4, 14, 63, 24, 56together) when there is no current in spindle & VCM motors
SYMBOL
I_Sleep
I_Sleep1
I_Sleep2
I_Sleep3
I_Sleep4
I_Sleep5
I_Supply
PARAMETER
sleep current
sleep mode 1 current
sleep mode 2 current
sleep mode 3 current
sleep mode 4 current
sleep mode 5 current
supply current
CONDITIONS
all Sleep bits = ‘1’
only Spindle is active
only ShockSen is active
only -3 V reg is active
only DAC12 is active
only DAC12 & VCM are
active
all sections are active
MIN.
TYP.
1.1
8.8
2.7
8
4.4
9
MAX.
25.5
Unit
mA
mA
mA
mA
mA
mA
mA
1-2 digital supply (Vdd5Dig)
SYMBOL
I_Sleep
I_Supply
PARAMETER
sleep current
supply current
CONDITIONS
spinSleep bits = ‘1’
spinSleep bits = ‘0’
MIN.
TYP.
56
78
MAX.
Unit
µA/MHz
µA/MHz
2. DIGITAL section
2-1 Inputs / Outputs (3.3 V regulator ENABLED !)
SYMBOL
V_IH
V_IL
V_OH
V_OL
t_r/f
I_IN
PARAMETER
high level input voltage
low level input voltage
high level output voltage
low level output voltage
rise/Fall time
input leakage current
CONDITIONS
(I_OUT = 100 µA)
(I_OUT = 100 µA)
C = 20 pF, GbD
MIN.
2.0
TYP.
V_3v3-0.5
MAX.
0.8
0.4
20
+/- 1
UNIT
V
V
V
V
ns
µA
2-2 16-bit serial interface
SYMBOL
f_SCLK
δ_SCLK
tr_SCLK
tf_SCLK
t_START
t_SU
PARAMETER
serial Clock
serial Clock duty cycle
serial Clock rise time
serial Clock fall time
chip Select to first Active
clock edge
data to clock setup time
CONDITIONS
GbD
GbD
GbD
GbD
GbD
GbD
MIN.
30
T_SCLK/2
TYP.
50
MAX. UNIT.
33
MHz
70
%
10
ns
10
ns
ns
8
ns
1999 June 10
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