Philips Semiconductors
Product specification
1GHz low-voltage Fractional-N synthesizer
SA7025
DC ELECTRICAL CHARACTERISTICS
V
DD
= V
DDA
= V
CCP
= 3V; T
A
= 25
°
C, unless otherwise specified.
SYMBOL
V
SUPPLY
I
STANDBY
I
AUX
I
MAIN
I
TOTAL
V
IH
V
IL
V
OL
V
OH
PARAMETER
Recommended operating conditions
Total standby supply currents
Operational supply currents
Operational supply currents
Operational supply currents
High level input voltage range
Low level input voltage range
Output voltage LOW
Output voltage HIGH
Setting current range for any setting re-
g
g
y
g
sistor
Output voltage range
I
RA
= –62.5µA; V
PHA
= V
DDA
/2
13
I
RA
= –25µA; V
PHA
= V
DDA
/2
I
RA
= –62.5µA
2, 13
V
DDA
= 3V, I
RA
= 25µA
V
DDA
= 5V, I
RA
= 62.5µA
I
RN
= –62.5µA; V
PHP
= V
DDA
/2
13
I
RN
= –25µA; V
PHP
= V
DDA
/2
I
RN
= –62.5µA
2, 13
V
DDA
= 3V, I
RA
= 25µA
V
DDA
= 5V, I
RA
= 62.5µA
I
RN
= –62.5µA; V
PHP
= V
DDA
/2
13
I
RN
= –25µA; V
PHP
= V
DDA
/2
I
RN
= –62.5µA
2, 13
V
DDA
= 3V, I
RA
= 25µA
V
DDA
= 5V, I
RA
= 62.5µA
I
RN
= –62.5µA; V
PHI
= V
DDA
/2
13
I
RN
= –25µA; V
PHI
= V
DDA
/2
I
RN
= –62.5µA
2, 13
V
DDA
= 3V, I
RA
= 25µA
V
DDA
= 5V, I
RA
= 62.5µA
I
RF
= –62.5µA;F
RD
= 1 to 7
13
I
RF
= –25µA;F
RD
= 1 to 7
5
–625
–250
–400
–180
4.4
1.75
5.5
2.2
2
2.20
0.85
2.75
1.1
2
440
175
550
220
2
I
O
= 2mA
I
O
= –2mA
2.7V < V
DDA
< 5.5V
4.5V < V
DDA
< 5.5V
0.7
400
160
500
200
2
V
DD
–0.4
25
62.5
V
DDA
–0.8
600
240
6
±50
±65
660
265
6
±50
±65
3.30
1.35
6
±250
±300
6.6
2.65
8
±500
±600
–250
–100
TEST CONDITIONS
V
CCP
= V
DD
, V
DDA
≥
V
DD
EM = EA = 0, I
RN
= I
RF
= I
RA
= 0
EM = 0, EA = 1
EM = 1, EA = 0
EM = EA = 1
0.7xV
DD
0
LIMITS
MIN
2.7
50
3.5
5.5
7.5
V
DD
0.3xV
DD
0.4
TYP
MAX
5.5
500
UNITS
V
µA
mA
mA
mA
V
V
V
V
Operational supply currents: I = I
DD
+ I
CCP
+ I
DDA
; I
RN
= 25µA, I
RA
= 25µA, (see Note 5)
Digital inputs CLK, DATA, STROBE
Digital outputs LOCK
Charge pumps: V
DDA
= 3V / I
RX
= 25µA or V
DDA
= 5V / I
RX
= 62.5µA, V
PHX
in range, unless otherwise specified. (See Note 16)
|I
RX
|
V
PHOUT
µA
V
Charge pump PHA
|I
PHA
|
DI
PHP_A
| I
PHP_A
|
∆I
PHA_M
Output current PHA
Relative output current variation PHA
Output current matching PHA pump
µA
%
µA
Charge pump PHP, normal mode
1, 4, 6
V
RF
= V
DDA
|I
PHP_N
|
DI
PHP_N
I
PHP_N
∆I
PHP_N_M
Output current PHP
Relative output current variation PHP
Output current matching PHP
g
normal mode
µA
%
µA
Charge pump PHP, speed-up mode
1, 4, 7
V
RF
= V
DDA
|I
PHP_S
|
S
DI
PHP_S
I
PHP_S
∆I
PHP_S_M
S
Output current PHP
Relative output current variation PHP
Output current matching PHP
g
speed-up mode
mA
%
µA
Charge pump PHI, speed-up mode
1, 4, 8
V
RF
= V
DDA
|I
PHI
|
DI
PHI
I
PHI
∆I
PHI_M
Output current PHI
Relative output current variation PHI
Output current matching PHI pump
mA
%
µA
Fractional compensation PHP, normal mode
1, 9
V
RN
= V
DDA
, V
PHP
= V
DDA
/2
I
PHP_F_N
Fractional compensation output current
PHP vs F
RD3
nA
1996 Aug 6
PHILIPS [ NXP SEMICONDUCTORS ]
