U2731B-NFN Atmel, U2731B-NFN Datasheet - Page 18

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U2731B-NFN

Manufacturer Part Number
U2731B-NFN
Description
IC FRONT-END DAB 8.5V 44-SSOP
Manufacturer
Atmel
Datasheet

Specifications of U2731B-NFN

Package / Case
44-SSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
-
Frequency
-
Rf Type
-

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
U2731B-NFNG1
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Electrical Characteristics (Continued)
Test conditions (unless otherwise specified): V
18
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note:
10.1
10.2
10.3
10.4
10.5 High impedance mode TRI = HIGH
10.6 Effective phase noise
11.1 Leakage current
11.2 Saturation voltage
12.1 Leakage current
12.2 Saturation voltage
13.1 AS1 = 0
13.2 AS1 = 1
14.1 Output voltage
14.2 Variation of V
14.3 Variation of V
14.4 Accuracy
14.5
15.1 Input voltage SCL/SDA HIGH
15.2 Input voltage SCL/SDA LOW
15.3
15.4 SCL clock frequency
15.5 Rise time (SCL, SDA)
15.6 Fall time (SCL; SDA)
15.7
No. Parameters
10
11
12
13
14
15
Phase Detector
Charge-pump current
Lock Indication
Switches
Address Selection
D/A Converters
Maximum output
current
Simple Two-wire Bus
Output voltage SDA
(open collector)
Time before new
transmission can start
1. The phase detector’s phase-noise contribution to the VCO’s frequency spectrum is determined by the operating frequency
U2731B
of the phase detector divided by 4 according to the fractional-N technique (regularly: 16 kHz).
M
M
(1)
Test Conditions
I100 = HIGH, I50 = HIGH
I100 = HIGH, I50 = LOW
I100 = LOW, I50 = HIGH
I100 = LOW, I50 = LOW
I
V
I
I
C 7 = HIGH
C 0 to C 6 = LOW
V
T
VC n-n V
n = 24 ... 232,
I
SDA = LOW
PD
PLCK
SW
SDA
amb
PLCK
S
= A, B, C
= 8.00 to 9.35 V
= 203 mA
= 0.25 mA
= 2 mA,
= -40 to +85 C
= 0.25 mA
= 5.5 V
M
/128
= A, B, C
S
= 8.5 V, T
amb
= 25°C
3, 4, 6
7, 8, 9
1, 2
Pin
39
41
44
V
Symbol
I
I
I
V
I
CCOmax
V
CAOmax
CBOmax
PLCK,sat
PLCK,L
I
I
I
I
I
V
I
PD,tri
L
SW,sat
V
PD3
PD2
PD1
SW,L
V
t
PD4
M,temp
buf
M,VS
t
t
PD
C n
M
r
f
Min.
-100
4.05
160
120
0.4
-50
-70
0.1
4.7
80
35
V
0
3
S
Typ.
-159
4.25
±20
200
150
100
50
20
0.1 V
0.6 V
Max.
4.45
240
180
120
100
100
300
0.5
0.5
5.5
1.5
0.4
65
10
10
50
70
1
S
S
Unit
dBc/
kHz
mV
mV
mV
µA
µA
µA
µA
nA
Hz
µA
µA
µA
4671C–DAB–06/04
µs
µs
µs
V
V
V
V
V
V
Type*
C
C
C
C
C
D
D
D
D
D
D
D
A
A
A
A
A
A
A
A
A
A
A
A

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