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参数资料
| 型号： | ATR4256-TKSY |
| 厂商： | Atmel |
| 文件页数： | 16/21页 |
| 文件大小： | 0K |
| 描述： | IC FREQ SYNTH RADIO TUNER 20SSOP |
| 产品变化通告： | ATR425x Obsolescence 03/Apr/2012 |
| 标准包装： | 830 |
| 功能： | 频率合成器 |
| RF 型： | 广播无线电 |
| 次要属性： | 缓冲输出 |
| 封装/外壳： | 20-SOIC（0.209"，5.30mm 宽） |
| 包装： | 管件 |
10. Electrical Characteristics
Test Conditions (unless otherwise specified): V S = 8.5V, T amb = 25°C.
No.
Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Type*
1
Supply Voltage
1.1
Analog supply voltage
6
V S
8
8.5
12
V
A
2
Supply Current
2.1
Analog supply current
6
I S
5
10
25
mA
A
3
OSCIN
3.1
Input voltage
f = 0.1 to 15 MHz
13
OSC
100
mV rms
B
4
OSC Buffer (MX2LO)
4.1
4.2
Output AC voltage
Output DC voltage
At pin15: 47 pF and
1 k ?
15
15
V MX2LO
V MX2LO
80
1.8
120
2.0
200
2.2
mV pp
V
B
A
5
FMOSCIN
5.1
Input voltage
f = 15 to 120 MHz
f = 120 to 160 MHz
19
FMOSC
FMOSC
40
150
mV rms
mV rms
B
B
6
Pulsed Current Output PD
6.1
6.2
6.3
6.4
6.5
Output current B71 to
B70 = “00”
Output current B71 to
B70 = “01”
Output current B71 to
B70 = “10”
Output current B71 to
B70 = “11”
Leakage current
PD = 2.5V
PD = 2.5V
PD = 2.5V
PD = 2.5V
PD = 2.5V
2
2
2
2
2
±IPD
±IPD
±IPD
±IPD
±IPDL
20
80
400
1500
25
100
500
2000
30
120
600
2400
20
μA
μA
μA
μA
nA
A
A
A
A
A
7
PDO
7.1
7.2
Saturation voltage
HIGH
Saturation voltage
LOW
3, 4
3, 4
8.0
0
8.5
0.4
V
V
A
A
8
SWO1, SWO2, SWO3, SWO4 (Open Drain)
8.1
Output leakage current
HIGH
Pin 7, 8, 9, 10 over R
against 8.5V
7, 8,
9, 10
I SWOH
100
nA
A
8.2
Output voltage LOW
I = 1 mA
7, 8,
9, 10
V SWOL
100
400
mV
A
9
DAC1, DAC2
9.1
Output current
3, 4
I DAC1, 2
1
mA
C
9.2
Output voltage
3, 4
V DAC1, 2
0.3
V S –
0.6
V
A
9.3
9.4
Maximum offset range
(FM)
Minimum offset range
(FM)
Offset = 0, Gain = 53
Offset = 63, Gain = 53
3, 4
3, 4
0.45
–0.45
0.56
–0.57
0.65
–0.65
V
V
A
A
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
16
ATR4256
4867D–AUDR–01/08
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