R3920 Datasheet, PDF (5/13 Pages) ON Semiconductor – Preconfigured DSP System

RHYTHM R3920
Table 2. ELECTRICAL CHARACTERISTICS (Supply Voltage V_B = 1.25 V; Temperature = 25°C)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
CONTROL A/D
Resolution (monotonic)
−
−
7
−
−
bits
Zero Scale Level
−
−
−
0
−
V
Full Scale Level
−
VOLUME CONTROL
−
−
V_REG
−
V
Volume Control Resistance
Volume Control Range
R_VC
Three−terminal connection
200
−
1000
kW
−
−
−
−
42
dB
PC_SDA INPUT
Logic 0 Voltage
−
−
0
−
0.3
V
Logic 1 Voltage
−
−
1
−
1.25
V
PC_SDA OUTPUT
Stand−by Pull Up Current
−
Creftrim = 6
3
5
6.5
mA
Sync Pull Up Current
−
Creftrim = 6
748
880
1020
mA
Max Sync Pull Up Current
−
Creftrim = 15
−
1380
−
mA
Min Sync Pull Up Current
−
Creftrim = 0
−
550
−
mA
Logic 0 Current (Pull Down)
−
Creftrim = 6
374
440
506
mA
Logic 1 Current (Pull Up)
−
Creftrim = 6
374
440
506
mA
Synchronization Time
(Synchronization Pulse Width)
T_SYNC
Baud = 0
Baud = 1
237
250
263
ms
118
125
132
Baud = 2
59
62.5
66
Baud = 3
29.76
31.25
32.81
Baud = 4
14.88
15.63
16.41
Baud = 5
7.44
7.81
8.20
Baud = 6
3.72
3.91
4.10
Baud = 7
1.86
1.95
2.05
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
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