AKM AK1223 8500mhz high linearity mixer Datasheet

[AK1223]
AK1223
8500MHz High Linearity Mixer
1. Overview
The AK1223 is high linearity mixer. RF and Lo frequency range coverage is from 3000 to 8500MHz and IF
coverage is from 20 to 3000MHz. The RF input provides single-ended 50Ω interface. Lo ports are 50Ω matched
and complementary input should be decoupled to the ground. IF output ports are differential open collector outputs.
The linearity and power consumption performances can be optimized by the resistance connected to the BIAS Pin.
2. Feature

Operating Frequency:

Linearity vs. Power selectable architecture
3000MHz to 8500MHz
Power Consumption: 92mA, IIP3: +13dBm, Gain: -3dB, NF: 15dB

Lo input level:
0dBm ±5dB

Operating Supply Voltage:
4.75 to 5.25 V

Package:
16pin UQFN (0.5mm pitch, 3mm  3mm  0.60mm)

Operating Temperature Range:
-40 to 85C
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3. Table contents
1.
Overview _____________________________________________________ 1
2.
Feature ______________________________________________________ 1
3.
Table contents ________________________________________________ 2
4.
System Diagram _______________________________________________ 3
5.
Pin Functional Description ______________________________________ 4
6.
Absolute Maximum Ratings______________________________________ 5
7.
Recommended Operating Range _________________________________ 5
8.
Electrical Characteristics ________________________________________ 6
9.
Typical Performance ___________________________________________ 7
10. Typical Evaluation Board Schematic _____________________________ 14
11. LSI Interface Schematic ________________________________________ 15
12. Outer Dimensions _____________________________________________ 16
13. Marking _____________________________________________________ 17
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4. System Diagram
Current Adjustment Resister
VSS
22kohm - 56kohm
BIAS
LO Input
LOINP
VDD
(Power feeding for Open-drain Output)
LO Buffer
Iref
VSS
10nF
LOINN
Output Load Resister
100pF
IFOUTP
VSS
RFIN
RF Input
Mixer
IFOUTN
VSS
VDD
BALUN
IF Output
VSS
100pF
10nF
Fig. 1
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System Diagram
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5. Pin Functional Description
Table 1
No.
Name
I/O
Pin Function
Pin Functions
1
VSS
G
Ground pin
2
VSS
G
Ground pin
3
VSS
G
Ground pin
4
VSS
G
Ground pin
5
VSS
G
Ground pin
6
LOINN
AI
Lo Input Negative
7
LOINP
AI
Lo Input Positive
8
VDD
P
Power Supply
9
VDD
P
Power Supply
10
VDD
P
Power Supply
IFOUTN
AO
IF Output Negative
Remarks
This pin is open collector output.
11
It needs power feeding via an inductor.
IFOUTP
AO
IF Output Positive
This pin is open collector output.
12
It needs power feeding via an inductor.
BIAS
AIO
Resistance pin for current
Connecting a resistor between this pin and ground.
13
adjustment
14
RFIN
AI
RF Input
15
VSS
G
Ground pin
16
VSS
G
Ground pin
Note)
Connecting an inductor between this pin and ground.
The exposed pad at the center of the backside should be connected to ground.
AI:Analog input pin
P: Power supply pin
AO:Analog output pin
G: Ground pin
AIO:Analog I/O pin
TOP VIEW
12
11
10
9
13
8
Exposed
PAD
14
15
6
16
5
1
Fig. 2
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3
4
Package Pin Layout
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6. Absolute Maximum Ratings
Table 2
Parameter
Symbol
Absolute Maximum Ratings
Min.
Max.
Unit
-0.3
5.5
V
Supply Voltage
VDD
RF Input Power
RFPOW
12
dBm
LO Input Power
LOPOW
12
dBm
Remarks
IFOUTP, IFOUTN
IFDC
VDD-1.5
Tstg
-55
V
DC voltage
Storage Temperature
125
C
Exceeding these maximum ratings may result in damage to the AK1223. Normal operation is not guaranteed at
these extremes. IFOUTP and IFOUTN should be connected to VDD via an inductor.
7. Recommended Operating Range
Table 3
Parameter
Symbol
Min.
Operating
Temperature
Ta
-40
Supply Voltage
VDD
4.75
Recommended Operating Range
Typ.
5
Max.
Unit
85
C
5.25
V
Remarks
The specifications are applicable within the recommended operating range (supply voltage/operating temperature).
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8. Electrical Characteristics
1．Analog Circuit Characteristics
Unless otherwise noted IF output=1000MHz, Lo Input Level=-5dBm to +5dBm,
Output Load Resistor （RLoad）=270Ω, VDD=4.75 to 5.25V, Ta=-40C to 85C
Parameter
Min.
Typ.
Max.
Unit
Remarks
RF Input Frequency
3000
8500
MHz
Lo Input Frequency
3000
8500
MHz
IF output Frequency
20
3000
MHz
Lo Input Power
-5
+5
dBm
Lo Input Frequency6GHz
0
+5
dBm
Lo Input Frequency6GHz
22
56
kΩ
Current Adjustment Resistor(BIAS)
IDD
BIAS=22kΩ
114
174
mA
The total current of VDD
BIAS=33kΩ
92
144
mA
pin,
BIAS=56kΩ
73
119
mA
IFOUTN pin.
IFOUTP
pin
and
RFIN=6000MHz, Current Adjustment Resistor =33kΩ
Conversion Gain
-6
SSB Noise Figure
-3
15
dB
18
dB
IP1dB
2
5
dBm
IIP3
10
13
dBm
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Design guarantee value
Design guarantee value
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9. Typical Performance
Unless otherwise noted, RF input =6000MHz, LO input =5000MHz, IF output =1000MHz,
Output Load Resistor (RLoad)=270
1.
Current Adjustment Resistor vs. IIP, NF, P1dB, Gain, IDD
30
30
28
25
26
24
NF [dB]
IIP3 [dBm]
20
15
10
22
20
18
16
14
5
12
0
10
18
23
28
33
38
43
48
53
58
63
68
18
23
28
33
R_Bias[kohm]
38
43
48
53
58
63
68
53
58
63
68
R_Bias[kohm]
6
20
4
2
10
Gain [dB]
IP1dB [dBm]
15
5
0
-2
-4
-6
0
-8
-10
-5
18
23
28
33
38
43
48
53
58
63
68
18
23
28
33
38
43
48
R_Bias[kohm]
R_Bias[kohm]
150
130
IDD [mA]
110
90
70
50
30
10
18
23
28
33
38
43
48
53
58
63
68
R_Bias[kohm]
Fig. 3 Current Adjustment Resistor vs. IIP3, NF, P1dB, Gain, IDD
Note ) A resistor with 5% tolerance are used.
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2.
Over temperature vs. IIP3, NF, P1dB, Gain, IDD
30
30
28
25
26
24
NF [dB]
IIP3 [dBm]
20
15
10
22
20
18
16
14
5
12
0
10
-40
10
60
-40
10
Temp[℃]
60
Temp[℃]
6
20
4
2
10
Gain [dB]
IP1dB [dBm]
15
5
0
-2
-4
-6
0
-8
-10
-5
-40
10
-40
60
10
60
Temp[℃]
Temp[℃]
140
IDD [mA]
120
100
Resistance for current adjustment
80
22kohm
60
33kohm
40
56kohm
20
0
-40
10
60
Temp[℃]
Fig. 4 Over temperature vs. IIP3, NF, IP1dB, Gain, IDD
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3.
Over temperature vs. IIP3, NF, P1dB, Gain, IDD
30.0
30
28
25.0
26
24
NF [dB]
IIP3 [dBm]
20.0
15.0
10.0
22
20
18
16
14
5.0
12
0.0
10
4.75
4.85
4.95
5.05
5.15
5.25
4.75
4.85
Voltage[V]
4.95
5.05
5.15
5.25
5.15
5.25
Voltage[V]
6
20
4
2
10
Gain [dB]
IP1dB [dBm]
15
5
0
-2
-4
-6
0
-8
-10
-5
4.75
4.85
4.95
5.05
5.15
4.75
5.25
4.85
4.95
5.05
Voltage[V]
Voltage[V]
140
120
Resistance for current adjustment
IDD [mA]
100
80
22kohm
60
33kohm
40
56kohm
20
0
4.75
4.85
4.95
5.05
5.15
5.25
Voltage[V]
Fig. 5 Supply voltage vs. IIP3, NF, IP1dB, Gain, IDD
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4.
RF input frequency vs. IIP3, NF, Gain
30
30
28
25
26
24
NF [dB]
IIP3 [dBm]
20
15
10
22
20
18
16
14
5
12
0
10
2500
4500
6500
8500
2500
4500
RF [MHz]
6500
8500
RF [MHz]
6
20
4
2
10
Gain [dB]
IP1dB [dBm]
15
5
0
-2
-4
-6
0
-8
-10
-5
2500
4500
6500
2500
8500
4500
6500
8500
RF [MHz]
RF [MHz]
Resistance for current adjustment
22kohm
33kohm
56kohm
Fig. 6 RF input frequency vs. IIP3, NF, Gain
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5.
IF input frequency vs. IIP3, NF, Gain
30
30
28
25
26
24
NF [dB]
IIP3 [dBm]
20
15
10
22
20
18
16
14
5
12
0
10
200
600
1000
1400
1800
2200
200
600
1000
10
10
9
8
8
6
7
4
6
2
5
4
-4
-6
1
-8
0
-10
1000
1400
2200
1800
2200
0
2
600
1800
-2
3
200
1400
IF [MHz]
Gain [dB]
IP1dB [dBm]
IF [MHz]
1800
200
2200
600
1000
1400
IF [MHz]
IF [MHz]
Resistance for current adjustment
22kohm
33kohm
56kohm
Fig. 7 IF input frequency vs. IIP3, NF, Gain
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6.
Lo input power vs. IIP3, NF, Gain
30
30
28
25
26
24
NF [dB]
IIP3 [dBm]
20
15
10
22
20
18
16
14
5
12
0
10
-10
-5
0
5
10
-10
-5
LO input[dBm]
0
5
10
5
10
LO input[dBm]
6
20
4
2
10
Gain [dB]
IP1dB [dBm]
15
5
0
-2
-4
-6
0
-8
-10
-5
-10
-5
0
5
-10
10
-5
0
LO input[dBm]
LO input[dBm]
Resistance for current adjustment
22kohm
33kohm
56kohm
Fig. 8 LO input power vs. IIP3, NF, Gain
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7.
Output Load Resistor（RLoad） vs. IIP3, NF, Gain
30
20
NF [dB]
IIP3 [dBm]
25
15
10
5
0
220
240
260
280
300
30
28
26
24
22
20
18
16
14
12
10
320
220
240
260
RL [ohm]
280
300
320
300
320
RL [ohm]
6
20
4
2
10
Gain [dB]
IP1dB [dBm]
15
5
0
-2
-4
-6
0
-8
-10
-5
220
240
260
280
300
220
320
240
260
280
RL [ohm]
RL [ohm]
Resistance for current adjustment
22kohm
33kohm
56kohm
Fig. 9 Output Load Resistor（RLoad） vs. IIP3, NF, Gain
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10. Typical Evaluation Board Schematic
Current Adjustment Resister
VSS
22kohm - 56kohm
BIAS
LOINP
LO Input
39pF
LO Buffer
Iref
VSS
10nF
39pF
LOINN
Output Load Resister
IFOUTP
VSS
270ohm
RFIN
RF Input
100pF
15nH
Mixer
15nH
0.3pF
3.9nH
VSS
IFOUTN
VDD
0.5pF
0.5pF BALUN
4:1
IF Output
VSS
100pF
10nF
Fig.10 Typical Evaluation Board Schematic (RF:6GHz,IF:1GHz)
Note 1)
The exposed pad at the center of the backside should be connected to ground.
Note 2)
The collector drain output needs power feeding via a inductor. (IFOUTP pin and IFOUTN pin)
Note 3)
It is necessary to adjust impedance matching as to its setting frequency. (RF input and IF output)
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11. LSI Interface Schematic
Pin No.
Pin Name
I/O
Function
14
RFIN
I
RF Input pin
6
LOINN
I
LO Input pins
7
LOINP
13
BIAS
I/O Analog I/O pin
300ohm
11
IFOUTN
12
IFOUTP
O
IF Output pins
IFOUTP
IFOUTN
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12. Outer Dimensions
1 pin marking
(Note 1)
1
4
16
5
13
8
9
12
Fig.11
Outer Dimensions
Note 1. 1 pin marking is only a reference for the 1 pin location on the top of package.
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13. Marking
(a) Style
:
UQFN
(b) Number of pins
:
16
(c) 1 pin marking:
:
○
(d) Product number
:
1223
(e) Date code
:
YWWL (4 digits)
Y:
Lower 1 digit of calendar year (Year 2012 → 2, 2013 → 3 ...)
WW :
Week
L:
Lot identification, given to each product lot which is made in a week
 LOT ID is given in alphabetical order (A, B, C…).
1223
YWWL
(d)
(e)
●(c)
Fig. 12 Marking
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IMPORTANT NOTICE
0. Asahi Kasei Microdevices Corporation (“AKM”) reserves the right to make changes to
the information contained in this document without notice. When you consider any use
or application of AKM product stipulated in this document (“Product”), please make
inquiries the sales office of AKM or authorized distributors as to current status of the
Products.
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and application examples of AKM Products. AKM neither makes warranties or
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FOR ANY LOSSES INCURRED BY YOU OR THIRD PARTIES ARISING FROM THE
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