TH72036 Datasheet, PDF (10/16 Pages) Melexis Microelectronic Systems – 868/915MHz FSK/ASK Transmitter

TH72036
868/915MHz
FSK/ASK Transmitter
4.5 AC Characteristics
all parameters under normal operating conditions, unless otherwise stated;
typical values at T_A = 23 °C and V_CC = 3 V; test circuit shown in Fig. 6, f_c = 868.3MHz
Parameter
Symbol
Condition
Min
Typ
Max
CW Spectrum Characteristics
Output power in step 0
P_off EN=1
-70
(Isolation in off-state)
Output power in step 1
P₁ EN=1
-13
-12
-11 ¹⁾
Output power in step 2
P₂ EN=1
-4
-3
-2 ¹⁾
Output power in step 3
P₃ EN=1
1
2.5
3.5 ¹⁾
PRELIMINARY ^{Output power in step 4}
P₄ EN=1
4
Phase noise
L(f_m) @ 200kHz offset
Spurious emissions according
to EN 300 220-1 (2000.09)
table 13
P_spur 47MHz< f <74MHz
87.5MHz< f <118MHz
174MHz< f <230MHz
470MHz< f <862MHz
B=100kHz
7.5
9.5 ¹⁾
-87
-82
-54
f < 1GHz, B=100kHz
-36
f > 1GHz, B=1MHz
-30
Clock output Characteristics
Output low voltage CMOS
Output high voltage CMOS
V_OL depending on capaci-
V_OH
tor CCK
and CKDIV
0.7*V_CC
0.3*V_CC
Start-up Parameters
Start-up time
t_on from standby to
transmit mode
0.6
1
Frequency Stability
Frequency stability vs. supply df_VCC
±3
voltage
Frequency stability vs. tem-
df_TA crystal at constant
±10
perature
temperature
Frequency stability vs. varia-
df_CRO
±20
tion range of C_RO
1) output matching network tuned for 5V supply
Unit
dBm
dBm
dBm
dBm
dBm
dBc/Hz
dBm
dBm
dBm
V
V
ms
ppm
ppm
ppm
3901072036
Rev. 005
Page 10 of 16
Data Sheet
June/07