SA8025A View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
SA8025A Datasheet PDF : 23 Pages
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Philips Semiconductors
1.8GHz low-voltage Fractional-N synthesizer
Product specification
SA8025A
DC ELECTRICAL CHARACTERISTICS
VDD = VDDA = VCCP = 3V; TA = 25°C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
MIN
TYP
VSUPPLY Recommended operating conditions
VCCP = VDD, VDDA ≥ VDD
2.7
ISTANDBY Total standby supply currents
EM = EA = 0, IRN = IRF = IRA = 0
50
Operational supply currents: I = IDD + ICCP + IDDA; IRN = 25µA, IRA = 25µA, (see Note 5)
IAUX
Operational supply currents
EM = 0, EA = 1
3.5
IMAIN
Operational supply currents
EM = 1, EA = 0
11.0
ITOTAL Operational supply currents
EM = EA = 1
13.5
Digital inputs CLK, DATA, STROBE
VIH
High level input voltage range
VIL
Low level input voltage range
Digital outputs LOCK
0.7xVDD
0
VOL
Output voltage LOW
IO = 2mA
VOH
Output voltage HIGH
IO = –2mA
VDD–0.4
Charge pumps: VDDA = 3V / IRX = 25µA or VDDA = 5V / IRX = 62.5µA, VPHX in range, unless otherwise specified.
|IRX|
Setting current range for any setting re-
sistor
2.7V < VDDA < 5.5V
4.5V < VDDA < 5.5V
25
62.5
VPHOUT Output voltage range
0.7
Charge pump PHA
|IPHA| Output current PHA
IRN = –62.5µA; VPHP = VDDA/213
400
500
IRN = –25µA; VPHP = VDDA/2
160
200
DIPHP_A
| IPHP_A|
Relative output current variation PHA
IRA = –62.5µA2, 13
2
∆IPHA_M Output current matching PHA pump
VDDA = 3V, IRA = 25µA
VDDA = 5V, IRA = 62.5µA
Charge pump PHP, normal mode NO TAG, 4, 6 VRF = VDDA
|IPHP_N| Output current PHP
IRN = –62.5µA; VPHP = VDDA/213
440
550
IRN = –25µA; VPHP = VDDA/2
175
220
DIPHP_N
IPHP_N
Relative output current variation PHP
IRN = –62.5µA2, 13
∆IPHP_N_M
Output current matching PHP
normal mode
VDDA = 3V, IRA = 25µA
VDDA = 5V, IRA = 62.5µA
Charge pump PHP, speed-up mode NO TAG, 4, 7 VRF = VDDA
|IPHP_S| Output current PHP
IRN = –62.5µA; VPHP = VDDA/213
IRN = –25µA; VPHP = VDDA/2
DIPHP_S
IPHP_S
Relative output current variation PHP
IRN = –62.5µA2, 13
∆IPHP_S_M
Output current matching PHP
speed-up mode
VDDA = 3V, IRA = 25µA
VDDA = 5V, IRA = 62.5µA
Charge pump PHI, speed-up mode NO TAG, 4, 8 VRF = VDDA
|IPHI|
Output current PHI
IRN = –62.5µA; VPHI = VDDA/213
IRN = –25µA; VPHI = VDDA/2
2.20
0.85
4.4
1.75
2
2.75
1.1
2
5.5
2.2
DIPHI
IPHI
Relative output current variation PHI
IRN = –62.5µA2, 13
∆IPHI_M Output current matching PHI pump
VDDA = 3V, IRA = 25µA
VDDA = 5V, IRA = 62.5µA
Fractional compensation PHP, normal mode NO TAG, 9 VRN = VDDA, VPHP = VDDA/2
IPHP_F_N
Fractional compensation output current
PHP vs FRD3
IRF = –62.5µA;FRD = 1 to 713
IRF = –25µA;FRD = 1 to 7
2
–625
–300
–400
–180
MAX
5.5
500
UNITS
V
µA
mA
mA
mA
VDD
V
0.3xVDD
V
0.4
V
V
µA
VDDA–0.8 V
600
µA
240
6
%
±50
±65
µA
660
265
µA
6
%
±50
±65
µA
3.30
mA
1.35
6
%
±250
±300
µA
6.6
mA
2.65
8
%
±500
±600
µA
–250
nA
–50
1996 Oct 15
5
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