ata5749-6dq ATMEL Corporation, ata5749-6dq Datasheet - Page 21

• Manufacturer Part Number: ata5749-6dq
• Description: Fractional-n Pll Transmitter Ic
• Manufacturer: ATMEL Corporation

10. Electrical Characteristics (Continued)
V
f
C
9128D–RKE–01/09
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note:
CLK
4.10 Spurious emission
4.11 Fractional Spurious
4.12
4.13 Frequency resolution
S
0
No. Parameters
4.6
4.7
4.8
4.9
= 1.9V to 3.6V T
= 1.5 pF, C
= 1.625 MHz unless otherwise specified. If crystal parameters are important values correspond to a crystal with C
FSK modulation
frequency
ASK modulation
frequency
Spurious emission
Spurious emission
FSK frequency
deviation
(Pin Number) in brackets mean they are measured matched to 50 according to
and optimum load impedances according to
LOAD
= 9 pF and R
amb
= –40°C to +125°C, CLK_ON = “High”; DIV_CNTRL = “Low”, CLOAD_CLK = 10 pF. f
M
Test Conditions
Duty cycle of the modulation
signal = 50%, (this corresponds
to 40 kBit/s Manchester coding
and 80 kBit/s NRZ coding)
Duty cycle of the modulation
signal = 50%, (this corresponds
to 40 kBit/s Manchester coding
and 80 kBit/s NRZ coding)
At f
At f
At f
DIV_CNTRL = “High”
At f
At f
CLK_ON = “Low”
At f
ASK_NFSK = “High”
TX_Mode_2
FREQ[0:14] = 3730,
FSEP[0:7] = 101
S434_N315 = “Low”
f
f
FREQ[0:14] = 14342,
FSEP[0:7] = 101
S434_N315 = “High”
f
f
f
other f
see
f
other f
RF
RF
RF
RF
XTO
XTO
170 . Typical values are given at V
RF
RF
RF
RF
RF
0
±3.00 MHz
±6.00 MHz
±3.159 MHz
± 9,840MHz
= 13.0000 MHz
Table 3-1 on page 4
= 13.0000 MHz
± f
±f
±f
±f
± f
± f
XTO
XTO
XTO
XTO
XTO
XTO
XTO
XTO
/ 8
/ 4
/ 4
Table 4-1
and
2, 5
2, 5
Pin
Table 4-2 on page 9
5
5
5
5
5
S
= 3.0V and T
F
F
Symbol
MOD_ASK
MOD_FSK
Spur
Spur
Spur
Spur
f
f
dev
PLL
amb
ATA5749 [Preliminary]
±0.396
= 25°C
32768
f
Min.
Figure 4-2 on page 8
XTO
0
0
/
16384
f
Typ.
XTO
–47
–47
–60
–47
–58
–60
–50
–50
–50
–50
793
/
XTO
±101.16
128.5
f
Max.
XTO
40
40
= 13.0000 MHz,
with component values
/
M
Unit
= 4.0 fF,
kHz
kHz
kHz
dBc
dBc
dBc
dBc
Hz
Type*
B
B
B
B
B
B
A
A
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