Sigma Designs Inc ZM5304-U User Manual
Datasheet: ZM5304
DSH12461-3 | 7/2013
17
Table 5.17: Digital input characteristics, supply voltage of V
DD
=+3.0V to +3.6V
Symbol
Description
Min
Max
Unit
V
IH
Logical 1 input voltage high level
+2.10
-
V
V
IL
Logical 0 input voltage low level
-
+0.90
V
V
IF
Falling input trigger threshold
+0.90
+1.30
V
V
IR
Rising edge trigger threshold
+1.60
+2.10
V
V
HYS
Schmitt trigger voltage hysteresis
+0.65
+0.95
V
I
IH
Logical 1 input high level current leakage
-
+10.00
µA
I
IL-NPU
Logical 0 input low level current leakage (no internal pull-up resistor)
-
-10.00
µA
I
IL-PU
Logical 0 input low level current leakage (with internal pull-up resistor)
+40.00
+120.00
µA
C
IN
Pad input capacitance
-
15.00
pF
Table 5.18: Digital output characteristics, supply voltage of V
DD
=+3.0V to +3.6V
Symbol
Description
Min
Max
Unit
V
OH
Logical 1 output voltage high level
+2.4
-
V
V
OL
Logical 0 output voltage low level
-
+0.4
V
I
OH-LP
Logical 1 output high level current sourcing
-
+8.0
mA
I
OL-LP
Logical 0 output low level current sinking
-
-8.0
mA
5.9 RF CHARACTERISTICS
5.9.1 TRANSMITTER
Measured at an ambient temperature of T
A
=-10°C to +85°C and a supply voltage of V
DD
=+2.3V to +3.6V. The transmission power
is adjusted by setting the value of the RFPOW register.
Table 5.19: Transmit performance
Symbol
Description
Min
Typ
Max
Unit
P
63
RF output power delivered to the antenna, RFPOW=63
+1.3
+2.0
+3.5
dBm
P
01
RF output power delivered to the antenna, RFPOW=01
-27.5
-26.3
-25.0
dBm
P
H2
2
nd
harmonic, RFPOW=63
TBD
dBc
P
H3
3
rd
harmonic, RFPOW=63
TBD
dBc