U4223B ATMEL Corporation, U4223B Datasheet - Page 7

• Manufacturer Part Number: U4223B
• Description: Time-code Receiver With A/d Converter
• Manufacturer: ATMEL Corporation

Rev. A7, 06-Mar-01
ADC; D0, D1, D2, D3
Output voltage
Output current
Input current into DEC
(first bit)
Input current into DEC
(last bit)
Input current into DEC
(step range)
Input voltage at IN
(first bit)
Input voltage at IN
(last bit)
Input voltage at IN
(step range)
Clock input; CLK
Input voltage swing
Clock frequency
Dynamical input resistance
Power-ON/OFF control; PON
Input voltage
Input current
Set-up time after PON
AGC hold mode; SL
Input voltage
Input current
Rejection of interference
signals
Parameters
HIGH
LOW
HIGH
LOW
HIGH
LOW
HIGH
LOW
Pin 13
Pins 17, 18, 19 and 20
Pin 12
R
R
V
V
Falling slope of CLK
Falling slope of CLK
Falling slope of CLK
RF generator at IN, without
modulation rising slope of CLK
RF generator at IN, without
modulation rising slope of CLK
RF generator at IN, without
modulation rising slope of CLK
Required I
V
V
V
Required I
V
V
V
using 2 crystal filters
using 1 crystal filter
f
LOAD
LOAD
in
in
TCO
TCO
CC
CC
CC
d
d
= 3 mV, f
Pin 16
= V
= GND
– f
= 3 V
= 1.5 V
= 5 V
Test Conditions / Pin
= V
= V
ud
CC
= 870 kW to GND
= 650 kW to VCC
CC
CC
= 625 Hz
IN
IN
d
/2
/2
y 0.5 mA
y 0.5 mA
= 77.5 kHz
I
Symbol
SOURCE
V
I
V
V
R
V
I
V
V
I
I
SINK
decst
f
dece
swing
I
decs
max
clk
dyn.
a
a
min
step
IN
OH
OL
t
f
f
V
V
V
CC
CC
CC
1.75
Min
–24
1.4
28
50
3
4
-0.4
-0.2
-0.2
Typ
–17
–10
100
100
100
3.5
5.5
1.7
0.7
0.5
2.5
10
12
35
75
43
22
3
U4223B
V
V
CC
CC
Max
V
–11
125
0.4
0.1
42
7
2
2
CC
-1.2
-1.2
dBmV
dBmV
dBmV
7 (18)
Unit
mV
mA
mA
kW
nA
nA
nA
mA
mA
mA
mA
mA
Hz
dB
dB
V
V
V
V
V
V
s