μPC3221GV

BIPOLAR ANALOG INTEGRATED CIRCUIT
PC3221GV
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5 V AGC AMPLIFIER + VIDEO AMPLIFIER
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DESCRIPTION
The PC3221GV is a silicon monolithic IC designed for use as AGC amplifier for digital CATV, cable modem
systems. This IC consists of gain control amplifier and video amplifier.
The package is 8-pin SSOP suitable for surface mount.
This IC is manufactured using our 10 GHz fT NESAT II AL silicon bipolar process. This process uses silicon
nitride passivation film.
This material can protect chip surface from external pollution and prevent
corrosion/migration. Thus, this IC has excellent performance, uniformity and reliability.
• Low noise figure
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FEATURES
• Low distortion
: IM3 = 56 dBc TYP. @ single-ended output, Vout = 0.7 Vp-p/tone
: NF = 4.2 dB TYP.
• Wide AGC dynamic range
: GCR = 50 dB TYP. @ input prescribe
• On-chip video amplifier
: Vout = 1.0 Vp-p TYP. @ single-ended output
• Supply voltage
: VCC = 5.0 V TYP.
• Packaged in 8-pin SSOP suitable for surface mounting
APPLICATION
• Digital CATV/Cable modem receivers
ORDERING INFORMATION
Part Number
PC3221GV-E1-A
Package
8-pin plastic SSOP (4.45 mm (175))
Supplying Form
 Embossed tape 8 mm wide
 Pin 1 indicates pull-out direction of tape
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 Qty 1 kpcs/reel
Remark To order evaluation samples, contact your nearby sales office.
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Part number for sample order: PC3221GV-A
Caution: Observe precautions when handling because these devices are sensitive to electrostatic discharge
Document No. PU10171EJ03V0DS (3rd edition)
The mark  shows major revised points.
PC3221GV
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INTERNAL BLOCK DIAGRAM AND PIN CONNECTIONS
Part Number
PC3217GV
PC3218GV
PC3219GV
PC3221GV
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PRODUCT LINE-UP OF 5 V AGC AMPLIFIER
ICC
GMAX
GMIN
GCR
NF
(mA)
(dB)
(dB)
(dB)
(dB)
(dBc)
IM3
23
53
0
53
6.5
50
23
63
10
53
3.5
50
36.5
42.5
0
42.5
9.0
58
33
60
10
50
4.2
56
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Note f1 = 44 MHz, f2 = 45 MHz, Vout = 0.7 Vp-p/tone, single-ended output
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Data Sheet PU10171EJ03V0DS
Note
Package
8-pin SSOP (4.45 mm (175))
PC3221GV
PIN EXPLANATIONS
No.
1
Pin Name
Applied
Pin
Voltage
Voltage
(V)
VCC
4.5 to 5.5
(V)
Function and Application

Power supply pin.
This pin should be externally equipped
with bypass capacitor to minimize ground
impedance.
2
INPUT1

1.29
Signal input pins to AGC amplifier.
4
VAGC

1.29
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INPUT2
0 to VCC


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This pin should be coupled with capacitor
for DC cut.
3
Internal Equivalent Circuit
Note
D
Pin
Gain control pin.
This pin’s bias govern the AGC output
level.
Minimum Gain at VAGC : 0 to 0.5 V
Maximum Gain at VAGC : 3 to 3.5 V
Recommended to use AGC voltage with
externally resister (example: 1 k).
5
GND2
0

Ground pin.
This pin should be connected to system
ground with minimum inductance.

Ground pattern on the board should be
formed as wide as possible.
OUTPUT2

2.28
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6
OUTPUT1

2.28
8
GND1
0

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Signal output pins of video amplifier.
This pin should be coupled with capacitor
for DC cut.
Ground pin.
This pin should be connected to system
ground with minimum inductance.
Ground pattern on the board should be
formed as wide as possible.

All ground pins must be connected
together with wide ground pattern to
decrease impedance difference.
Note Pin voltage is measured at VCC = 5.0 V.
Data Sheet PU10171EJ03V0DS
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PC3221GV
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Test Conditions
Ratings
Unit
Supply Voltage
VCC
TA = +25C
6.0
V
Gain Control Voltage Range
VAGC
TA = +25C
0 to VCC
V
Power Dissipation
PD
TA = +85C
250
mW
Operating Ambient Temperature
TA
40 to +85
C
Storage Temperature
Tstg
55 to +150
C
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Note
RECOMMENDED OPERATING RANGE
Parameter
Symbol
VCC
Operating Ambient Temperature
TA
Test Conditions
VCC = 4.5 to 5.5 V
MIN.
TYP.
MAX.
Unit
4.5
5.0
5.5
V
40
+25
+85
C
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Supply Voltage
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Note Mounted on double-sided copper-clad 50  50  1.6 mm epoxy glass PWB
VAGC
0

3.5
V
Operating Frequency Range
fBW
10
45
100
MHz
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Gain Control Voltage Range
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Data Sheet PU10171EJ03V0DS
PC3221GV
ELECTRICAL CHARACTERISTICS
(T A = +25C, VCC = 5 V, f = 45 MHz, ZS = 50 , ZL = 250 , single-ended output)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
33
41
mA
Circuit Current
ICC
No input signal
Note 1
26
AGC Pin Current
IAGC
No input signal, VAGC = 3.5 V
Note 1

VAGC (H)
@ Maximum gain
Note 1
3.0
AGC Voltage Low Level
VAGC (L)
@ Minimum gain
Note 1
0
RF Characteristics
16
50
A

3.5
V

0.5
V
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AGC Voltage High Level
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DC Characteristics
Maximum Voltage Gain
GMAX
VAGC = 3.0 V, Pin = 60 dBm
Note 1
57
60
63
dB
Middle Voltage Gain 1
GMID1
VAGC = 2.2 V, Pin = 60 dBm
Note 1
47.5
50.5
53.5
dB
Middle Voltage Gain 2
GMID2
VAGC = 1.2 V, Pin = 30 dBm
Note 1
18
21
24
dB
Minimum Voltage Gain
GMIN
VAGC = 0.5 V, Pin = 30 dBm
Note 1
6
10
14
dB
VAGC = 0.5 to 3.0 V
Note 1
43
50

dB
36
40

dB
26.5
29.5
32.5
dB/V
Gain Control Range (output prescribe)
Gain Slope
GCRin
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Gain Control Range (input prescribe)
GCRout
Gslope
Vout = 1.0 Vp-p
Note 1
Gain (@ VAGC = 2.2 V)  Gain (@ VAGC
= 1.2 V)
Maximum Output Voltage
Noise Figure
3rd Order Intermodulation Distortion 1
Note 1
Voclip
VAGC = 3.0 V (@ Maximum gain) Note 1
2.0
2.8

Vp-p
NF
VAGC = 3.0 V (@ Maximum gain) Note 3

4.2
5.7
dB
IM31
f1 = 44 MHz, f2 = 45 MHz, ZL = 250 ,
43
47

dBc
50
56

dBc
0.5
0
+0.5
dB
Pin = 30 dBm/tone,
Vout = 0.7 Vp-p/tone (@ single-ended
output)
3rd Order Intermodulation Distortion 2
IM32
Note 1
f1 = 44 MHz, f2 = 45 MHz, ZL = 250 ,
VAGC = 3.0 V (@ Maximum gain),
Vout = 0.7 Vp-p/tone (@ single-ended
output)
Gain Difference of
G
OUTPUT1 and OUTPUT2
Note 1
VAGC = 3.0 V, Pin = 60 dBm,
G = G (@ Pout1)  G (@ Pout2)
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Note 1, 2
Notes 1. By measurement circuit 1
2. By measurement circuit 2
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3. By measurement circuit 3
Data Sheet PU10171EJ03V0DS
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PC3221GV
STANDARD CHARACTERISTICS (T A = +25C, VCC = 5 V, ZS = 50 )
Parameter
Symbol
Test Conditions
Reference Value
Unit
NF2
Gain reduction = 10 dBm
Note 2
6.0
dB
Noise Figure 3
NF3
Gain reduction = 20 dBm
Note 2
9.5
dB
Output Voltage
Vout
Pin = 56 to 16 dBm
Note 1
1.0
Vp-p
Input Impedance
Zin
VAGC = 0.5 V, f = 45 MHz
Note 3
0.9 k  j1.4 k

Output Impedance
Zout
VAGC = 0.5 V, f = 45 MHz
Note 3
9.0 + j1.9

Input 3rd Order Distortion
IIP3
VAGC = 0.5 V (@ Minimum gain),
+2.5
dBm
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Intercept Point
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Noise Figure 2
f1 = 44 MHz, f2 = 45 MHz,
ZL = 250  (@ single-ended output)
Note 1
Notes 1. By measurement circuit 1
2. By measurement circuit 3
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3. By measurement circuit 4
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Data Sheet PU10171EJ03V0DS
PC3221GV
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MEASUREMENT CIRCUIT 1
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Note Balun Transformer: TOKO 617DB-1010 B4F (Double balanced type)
MEASUREMENT CIRCUIT 2
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Note Balun Transformer: TOKO 617DB-1010 B4F (Double balanced type)
Data Sheet PU10171EJ03V0DS
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PC3221GV
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MEASUREMENT CIRCUIT 3
Note Balun Transformer: TOKO 617DB-1010 B4F (Double balanced type)
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MEASUREMENT CIRCUIT 4
The application circuits and their parameters are for reference only and are not intended for use in actual design-ins.
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Data Sheet PU10171EJ03V0DS
PC3221GV
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ILLUSTRATION OF THE TEST CIRCUIT ASSEMBLED ON EVALUATION BOARD
(MEASUREMENT CIRCUIT 1)
Note Balun Transformer
Remarks
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1. Back side: GND pattern
2. Solder plated on pattern
: Through hole
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3.
Data Sheet PU10171EJ03V0DS
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PC3221GV
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TYPICAL CHARACTERISTICS (T A = +25C , unless otherwise specified)
Remark The graphs indicate nominal characteristics.
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Data Sheet PU10171EJ03V0DS
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PC3221GV
Remark The graphs indicate nominal characteristics.
Data Sheet PU10171EJ03V0DS
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PC3221GV
Remark The graphs indicate nominal characteristics.
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Data Sheet PU10171EJ03V0DS
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PC3221GV
Remark The graphs indicate nominal characteristics.
Data Sheet PU10171EJ03V0DS
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PC3221GV
S-PARAMETERS (T A = +25C, VCC = VAGC = 5.0 V)
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S22FREQUENCY
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S11FREQUENCY
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Data Sheet PU10171EJ03V0DS
PC3221GV
PACKAGE DIMENSIONS
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8-PIN PLASTIC SSOP (4.45 mm (175)) (UNIT: mm)
Data Sheet PU10171EJ03V0DS
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PC3221GV
NOTES ON CORRECT USE
(1) Observe precautions for handling because of electro-static sensitive devices.
(2) Form a ground pattern as widely as possible to minimize ground impedance (to prevent undesired
oscillation).
All the ground pins must be connected together with wide ground pattern to decrease impedance difference.
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(3) The bypass capacitor should be attached to VCC line.
RECOMMENDED SOLDERING CONDITIONS
This product should be soldered and mounted under the following recommended conditions.
For soldering
Soldering Method
Infrared Reflow
Soldering Conditions
: 260C or below
Time at peak temperature
: 10 seconds or less
Preheating time at 120 to 180C
Maximum number of reflow processes
Partial Heating
: 12030 seconds
: 3 times
Maximum chlorine content of rosin flux (% mass)
: 0.2%(Wt.) or below
Peak temperature (package surface temperature)
: 215C or below
Time at temperature of 200C or higher
: 25 to 40 seconds
Preheating time at 120 to 150C
: 30 to 60 seconds
Maximum number of reflow processes
: 3 times
Maximum chlorine content of rosin flux (% mass)
: 0.2%(Wt.) or below
Peak temperature (molten solder temperature)
: 260C or below
Time at peak temperature
: 10 seconds or less
Preheating temperature (package surface temperature)
: 120C or below
Maximum number of flow processes
: 1 time
Maximum chlorine content of rosin flux (% mass)
: 0.2%(Wt.) or below
Peak temperature (pin temperature)
: 350C or below
Soldering time (per side of device)
: 3 seconds or less
Maximum chlorine content of rosin flux (% mass)
: 0.2%(Wt.) or below
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Caution Do not use different soldering methods together (except for partial heating).
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Data Sheet PU10171EJ03V0DS
IR260
: 60 seconds or less
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Wave Soldering
Condition Symbol
Peak temperature (package surface temperature)
Time at temperature of 220C or higher
VPS
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methods and conditions other than those recommended below, contact your nearby sales office.
VP215
WS260
HS350