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Agilent ADA-4643 Silicon Bipolar Darlington Amplifier
Data Sheet
Features * Small Signal gain amplifier * Operating frequency DC - 2.5 GHz * Unconditionally stable * 50 Ohms input & output * Flat, Broadband Frequency Response up to 1 GHz * Operating Current: 20 to 60 mA * Industry standard SOT-343 package * Lead-free option available Specifications 900 MHz, 3.5V, 35 mA (typ.) * 17 dB associated gain * 13.4 dBm P1dB * 28.3 dBm OIP3 * 4 dB noise figure * VSWR < 2.2 throughput operating frequency * Single supply, typical Id = 35 mA Applications * Cellular/PCS/WLL base stations * Wireless data/WLAN * Fiber-optic systems
VCC = 5 V Rc C bypass
Description Agilent Technologies' ADA-4643 is an economical, easy-to-use, general purpose silicon bipolar RFIC gain block amplifiers housed in a 4-lead SC-70 (SOT-343) surface mount plastic package which requires only half the board space of a SOT-143 package. The Darlington feedback structure provides inherent broad bandwidth performance, resulting in useful operating frequency up to 2.5 GHz. This is an ideal device for small-signal gain cascades or IF amplification. ADA-4643 is fabricated using Agilent's HP25 silicon bipolar process, which employs a doublediffused single polysilicon process with self-aligned submicron emitter geometry. The process is capable of simultaneous high fT and high NPN breakdown (25 GHz fT at 6V BVCEO). The process utilizes industry standard device oxide isolation technologies and submicron aluminum multilayer interconnect to achieve superior performance, high uniformity, and proven reliability.
Surface Mount Package SOT-343
Pin Connections and Package Marking
RFout & Vd GND
GND
2Tx
RFin
Note: Top View. Package marking provides orientation and identification. "2T" = Device Code "x" = Date code character identifies month of manufacture.
Typical Biasing Configuration
V -V Rc = cc d Id
* ISM
RFC C block RF input
2Tx
C block
Vd = 3.5 V
RF output
Attention: Observe precautions for handling electrostatic sensitive devices.
ESD Machine Model (Class A) ESD Human Body Model (Class 1B) Refer to Agilent Application Note A004R: Electrostatic Discharge Damage and Control.
ADA-4643 Absolute Maximum Ratings [1] Symbol
Id Pdiss Pin max. Tj TSTG jc
Parameter
Device Current Total Power Dissipation [2] RF Input Power Channel Temperature Storage Temperature Thermal Resistance [3]
Units
mA mW dBm C C C/W
Absolute Maximum
70 270 18 150 -65 to 150 152
Notes: 1. Operation of this device above any one of these parameters may cause permanent damage. 2. Ground lead temperature is 25C. Derate 6.6 mW/C for TL >109C. 3. Junction-to-case thermal resistance measured using 150C Liquid Crystal Measurement method.
ADA-4643 Electrical Specifications
TA = 25C, Zo=50, Pin = -25 dBm, Id = 35 mA (unless specified otherwise)
Symbol
Vd Gp Gp F3dB VSMRin VSMRout NF P1dB OIP3 DV/dT
Parameter and Test Condition: Id = 35 mA, Zo = 50
Device Voltage Id = 35 mA Power Gain (|S21| Gain Flatness 3 dB Bandwidth Input Voltage Standing Wave Ratio Output Voltage Standing Wave Ratio 50 Noise Figure Output Power at 1dB Gain Compression Output 3rd Order Intercept Point Device Voltage Temperature Coefficient
2
Frequency
Units
V
Min.
3.2 15.5
Typ.
3.5 17.5 17.0 0.5 1.8 3.2 2.0:1 1.6:1
Max.
3.9 18.5
Std. Dev.
100 MHz 900 MHz[1,2] 100 to 900 MHz 0.1 to 2 GHz
dB dB GHz
0.1 to 6 GHz 0.1 to 6 GHz 100 MHz 900 MHz[1,2] 100 MHz 900 MHz[1,2] 100 MHz[3] 900 MHz[1,2,3] dB dBm dBm mV/C
3.9 4.0 14.7 13.4 29.0 28.3 -5.3
0.07 0.1
Notes: 1. Typical value determined from a sample size of 500 parts from 3 wafers. 2. Measurement obtained using production test board described in the block diagram below. 3. I) 900 MHz OIP3 test condition: F1 = 900 MHz, F2 = 905 MHz and Pin = -25 dBm per tone. II) 100 MHz OIP3 test condition: F1 = 100 MHz, F2 = 105 MHz and Pin = -25 dBm per tone.
Input
50 Ohm Transmission (0.5 dB loss)
DUT
50 Ohm Transmission including Bias (0.5 dB loss)
Output
Block diagram of 900 MHz production test board used for Vd, Gain, P1dB, OIP3, and NF measurements. Circuit losses have been de-embedded from actual measurements.
2
Product Consistency Distribution Charts at 900 MHz, Id = 35 mA
300 250 200 150 100 50 0 15
300 250 200 150 100 50 0
16
17 GAIN (dB)
18
19
3
3.2
3.4 Vd (V)
3.6
3.8
4
Figure 1. Gain distribution @ 35 mA. LSL=15.5, Nominal=17, USL=18.5
Figure 2. Vd distribution @ 35 mA. LSL = 3.2, Nominal = 3.5, USL = 3.9
Notes: 1. Statistics distribution determined from a sample size of 500 parts taken from 3 different wafers. 2. Future wafers allocated to this product may have typical values anywhere between the minimum and maximum specification limits.
ADA-4643 Typical Performance Curves (at 25C, unless specified otherwise)
20 20 30
15
P1dB (dBm) GAIN (dB)
15
OIP3 (dBm)
25
20
10
10
15
5
5 10
0 0 1 2 3 4 5 6 FREQUENCY (GHz)
0 0 1 2 3 4 5 6 FREQUENCY (GHz)
5 0 1 2 3 4 5 6 FREQUENCY (GHz)
Figure 3. Gain vs. Frequency at Id = 35 mA.
Figure 4. P1dB vs. Frequency at Id =35 mA.
Figure 5. OIP3 vs. Frequency at Id = 35 mA.
6
70 60
18 17 16
GAIN (dB)
5
NF (dB) Id (mA)
50 -40C 40 30 20 10 25C 85C
4
15 -40C 14 25C 85C
3
13 12 0 1 2 Vd (V) 3 4 5 0 10 20 30 40 50
2 0 1 2 3 4 5 6 FREQUENCY (GHz)
0
60
70
Id (mA)
Figure 6. NF vs. Frequency at Id =35 mA.
Figure 7. Id vs. Vd and Temperature.
Figure 8. Gain vs. Id and Temperature at 900 MHz.
3
ADA-4643 Typical Performance Curves (at 25C, unless specified otherwise), continued
20 15 10 35 30 25 16 5 4
P1dB (dBm)
OIP3 (dBm)
5 -40C 0 -5 -10 0 10 20 30 40 50 60 70 Id (mA) 25C 85C
NF (dB)
20 -40C 15 10 5 0 10 20 30 40 50 60 70 Id (mA) 25C 85C
3 -40C 2 1 0 0 10 20 30 40 50 60 70 Id (mA) 25C 85C
Figure 9. P1dB vs. Id and Temperature at 900 MHz.
20 18 16
0.1 0.5 0.9 1.5 2.0 2.5 3 4 5
Figure 10. OIP3 vs. Id and Temperature at 900 MHz.
25 20 15
0.1 0.5 0.9 1.5 2.0 2.5 3 4 5 6
Figure 11. NF vs. Id and Temperature at 900 MHz.
40 35 30
0.1 0.5 0.9 1.5
10 5 0 -5 -10
OIP3 (dBm)
P1dB (dBm)
GAIN (dB)
25 20 15 10 5
14 12 10 8 0 10 20 30 30 30 30
2.0 2.5 3 4 5 6
6
40
0
10
20
30
40
50
60
70
0
10
20
30
40
50
60
70
Id (mA)
Id (mA)
Id (mA)
Figure 12. Gain vs. Id and Frequency (GHz).
Figure 13. P1dB vs. Id and Frequency (GHz).
Figure 14. OIP3 vs. Id and Frequency (GHz).
6 5.5 5
6 5
0 Id = 27 mA Id = 35 mA Id = 45 mA Id = 60 mA
0
-5
-5
4.5 4 3.5 3 0 10 20 30 40 50 60
-10
ORL (dB)
IRL (dB)
NF (dB)
4 3 2.5 2.0 1.5 0.9 0.5 0.1
-10
-15
-15 -20
Id = 27 mA Id = 3 5 mA Id = 45 mA Id = 60 mA
-20 70 0 2 4 6 8 10 12 Id (mA) FREQUENCY (GHz)
-25 0 2 4 6 8 10 12 FREQUENCY (GHz)
Figure 15. NF vs. Id and Frequency (GHz).
Figure 16. Input Return Loss vs. Id and Frequency (GHz).
Figure 17. Output Return Loss vs. Id and Frequency (GHz).
4
ADA-4643 Typical Scattering Parameters, TA = 25C, Id = 27 mA Freq. GHz
0.1 0.5 0.9 1.0 1.5 1.9 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0
S11 Mag.
0.172 0.202 0.277 0.286 0.349 0.375 0.382 0.397 0.402 0.394 0.378 0.361 0.340 0.328 0.318 0.299 0.274 0.243 0.222 0.226 0.26 0.305 0.356
Ang.
1.1 10 12.3 9.9 -2.8 -11.3 -13.8 -24.2 -34.7 -46 -58.7 -73.1 -89.3 -107.1 -124.8 -141.1 -159.7 177.3 148.7 119.9 95.4 75.2 60.1
dB
17.2 17.04 16.67 16.56 15.98 15.54 15.44 14.93 14.47 14.02 13.58 13.16 12.64 12.15 11.6 11.09 10.56 9.96 9.29 8.41 7.62 6.67 5.82
S21 Mag.
7.246 7.113 6.814 6.726 6.292 5.984 5.918 5.581 5.29 5.021 4.775 4.55 4.284 4.05 3.803 3.584 3.371 3.149 2.914 2.632 2.406 2.155 1.954
S12 Ang.
175.9 160.2 144.7 141.1 124.2 111.4 108.3 93.2 78.6 64.2 50 35.9 21.9 8.3 -5.4 -18.6 -32 -45.6 -59.1 -71.8 -83.7 -96.1 -107.1
S22 Ang.
-0.8 -4.5 -7.4 -7.9 -9.3 -9.5 -9.5 -8.9 -7.8 -6.6 -5.4 -4.6 -4.9 -5.9 -8.3 -11.5 -16.5 -22.8 -30 -36.7 -43 -49.9 -57.3
K Ang.
-4.1 -12.6 -20.4 -23.1 -37.6 -48.9 -51.7 -65.8 -81.7 -100.9 -123.8 -148.6 -169.9 173.3 158.2 141.6 123 103.6 84.8 70.1 58.4 48.4 39.7 1.1 1.1 1.1 1.1 1.1 1.2 1.2 1.2 1.3 1.3 1.3 1.3 1.3 1.2 1.2 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1
Mag.
0.093 0.091 0.088 0.087 0.083 0.080 0.08 0.078 0.078 0.079 0.082 0.087 0.094 0.102 0.112 0.124 0.138 0.150 0.161 0.168 0.177 0.187 0.195
Mag.
0.245 0.245 0.269 0.274 0.28 0.273 0.271 0.249 0.22 0.192 0.176 0.179 0.191 0.212 0.233 0.25 0.27 0.3 0.337 0.381 0.429 0.481 0.529
Notes: 1. S-parameters are measured on a microstrip line made on 0.025 inch thick alumina carrier. The input reference plane is at the end of the input lead. The output reference plane is at the end of the output lead.
5
ADA-4643 Typical Scattering Parameters, TA = 25C, Id = 35 mA Freq. GHz
0.1 0.5 0.9 1.0 1.5 1.9 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0
S11 Mag.
0.151 0.185 0.265 0.272 0.340 0.367 0.373 0.39 0.395 0.387 0.370 0.353 0.332 0.319 0.310 0.293 0.266 0.238 0.217 0.222 0.256 0.300 0.357
Ang.
1.6 13.1 14.9 12.4 -0.7 -9.5 -12.1 -22.7 -33 -44.3 -57.4 -71.6 -87.7 -106 -123.6 -140.2 -158.8 177.8 148.5 119.5 95 74.9 59.1
dB
17.51 17.35 16.98 16.86 16.27 15.82 15.72 15.19 14.71 14.23 13.79 13.36 12.84 12.34 11.8 11.28 10.75 10.15 9.48 8.62 7.81 6.88 6.01
S21 Mag.
7.504 7.367 7.06 6.97 6.511 6.178 6.107 5.745 5.436 5.149 4.89 4.657 4.383 4.141 3.889 3.666 3.449 3.219 2.979 2.697 2.458 2.208 1.996
S12 Ang.
175.9 160.1 144.6 140.9 123.9 111 108 92.8 78.3 63.9 49.9 35.9 21.9 8.3 -5.4 -18.6 -32 -45.5 -59 -71.7 -83.4 -95.8 -107.2
S22 Ang.
-0.8 -4.2 -7 -7.5 -8.8 -9.1 -9.1 -8.5 -7.3 -6 -4.8 -3.9 -4.2 -5.1 -7.5 -10.8 -15.8 -22.2 -29.3 -36.1 -42.5 -49.5 -56.9
K Ang.
-4.1 -11.7 -19 -21.7 -36.2 -47.6 -50.3 -64.4 -80.4 -99.9 -123.4 -148.9 -170.6 172.5 157.5 140.9 122.3 103 84.3 69.6 57.9 47.9 39.2 1.1 1.1 1.1 1.1 1.1 1.2 1.2 1.2 1.3 1.3 1.3 1.3 1.2 1.2 1.2 1.1 1.1 1.1 1.1 1.1 1.1 1 1
Mag.
0.091 0.09 0.087 0.086 0.082 0.080 0.079 0.078 0.077 0.079 0.082 0.087 0.093 0.102 0.112 0.124 0.138 0.151 0.161 0.169 0.178 0.188 0.196
Mag.
0.223 0.224 0.251 0.256 0.264 0.259 0.256 0.236 0.209 0.181 0.166 0.17 0.185 0.207 0.23 0.248 0.27 0.301 0.34 0.385 0.434 0.486 0.534
Notes: 1. S-parameters are measured on a microstrip line made on 0.025 inch thick alumina carrier. The input reference plane is at the end of the input lead. The output reference plane is at the end of the output lead.
6
ADA-4643 Typical Scattering Parameters, TA = 25C, Id = 45 mA Freq. GHz
0.1 0.5 0.9 1.0 1.5 1.9 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0
S11 Mag.
0.137 0.174 0.257 0.267 0.334 0.36 0.367 0.386 0.39 0.382 0.365 0.348 0.327 0.314 0.304 0.287 0.26 0.232 0.213 0.218 0.26 0.303 0.352
Ang.
2.4 15.3 17.4 14.7 0.7 -8.4 -10.9 -21.6 -32.1 -43.4 -56.4 -70.8 -86.8 -105.1 -122.8 -139.6 -159.1 177.6 147.8 120.2 94.2 74 59.4
dB
17.72 17.56 17.19 17.08 16.47 16.01 15.91 15.36 14.86 14.38 13.93 13.5 12.97 12.48 11.93 11.41 10.88 10.28 9.6 8.7 7.95 6.98 6.14
S21 Mag.
7.691 7.547 7.234 7.144 6.664 6.317 6.241 5.862 5.534 5.237 4.971 4.732 4.45 4.205 3.947 3.721 3.498 3.264 3.02 2.724 2.498 2.233 2.027
S12 Ang.
175.9 160 144.5 140.8 123.7 110.7 107.7 92.5 78 63.6 49.7 35.7 21.7 8.2 -5.5 -18.7 -32 -45.6 -59.1 -71.7 -83.7 -96.2 -107.1
S22 Ang.
-0.7 -4 -6.8 -7.2 -8.5 -8.7 -8.7 -8.1 -7 -5.7 -4.5 -3.6 -3.9 -4.8 -7.1 -10.4 -15.4 -21.8 -28.9 -35.8 -42.1 -49.2 -56.6
K Ang.
-4 -10.9 -17.6 -20.3 -34.8 -46.1 -48.9 -62.9 -78.9 -98.4 -122.3 -148.3 -170.4 172.6 157.6 140.9 122.3 102.9 84.2 69.5 57.9 47.9 39.1 1.1 1.1 1.1 1.1 1.1 1.1 1.2 1.2 1.2 1.3 1.3 1.3 1.2 1.2 1.2 1.1 1.1 1.1 1.1 1.1 1.1 1 1
Mag.
0.09 0.089 0.086 0.085 0.081 0.079 0.079 0.077 0.077 0.078 0.081 0.086 0.093 0.101 0.112 0.124 0.138 0.151 0.161 0.169 0.179 0.189 0.196
Mag.
0.207 0.209 0.238 0.243 0.253 0.249 0.247 0.227 0.201 0.174 0.159 0.164 0.179 0.202 0.226 0.245 0.268 0.3 0.339 0.385 0.434 0.487 0.535
Notes: 1. S-parameters are measured on a microstrip line made on 0.025 inch thick alumina carrier. The input reference plane is at the end of the input lead. The output reference plane is at the end of the output lead.
7
ADA-4643 Typical Scattering Parameters, TA = 25C, Id = 60 mA Freq. GHz
0.1 0.5 0.9 1.0 1.5 1.9 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0
S11 Mag.
0.126 0.165 0.252 0.261 0.33 0.359 0.365 0.386 0.387 0.381 0.363 0.344 0.323 0.31 0.301 0.281 0.257 0.228 0.212 0.218 0.257 0.302 0.359
Ang.
2.4 18.1 19.6 16.4 2 -7.4 -9.8 -21 -31.5 -43 -56 -70.7 -87.3 -105.8 -123.6 -140.6 -159.9 176.3 145.6 117.8 92.7 72.9 57.7
dB
17.88 17.73 17.36 17.24 16.63 16.16 16.05 15.49 14.98 14.49 14.02 13.58 13.04 12.54 11.98 11.44 10.9 10.29 9.61 8.72 7.94 6.98 6.11
S21 Mag.
7.834 7.696 7.377 7.28 6.787 6.424 6.343 5.948 5.61 5.301 5.025 4.777 4.488 4.235 3.971 3.735 3.507 3.271 3.022 2.728 2.494 2.234 2.02
S12 Ang.
175.9 159.9 144.3 140.6 123.3 110.3 107.2 91.9 77.4 63.1 49 35 21 7.5 -6.2 -19.4 -32.7 -46.3 -59.8 -72.4 -84.1 -96.4 -107.7
S22 Ang.
-0.7 -3.8 -6.4 -6.9 -8.2 -8.4 -8.4 -7.8 -6.7 -5.5 -4.3 -3.5 -3.7 -4.6 -6.9 -10.2 -15.2 -21.5 -28.6 -35.6 -41.8 -48.9 -56.4
K Ang.
-3.8 -9.9 -16.1 -18.8 -33.2 -44.4 -47.2 -61 -76.8 -96.2 -120.3 -146.9 -169.4 173.4 158.2 141.4 122.5 103 84.3 69.5 57.9 47.9 39.2 1.1 1.1 1.1 1.1 1.1 1.1 1.1 1.2 1.2 1.3 1.3 1.3 1.2 1.2 1.2 1.1 1.1 1.1 1.1 1.1 1.1 1 1
Mag.
0.089 0.088 0.085 0.085 0.081 0.079 0.078 0.077 0.077 0.078 0.081 0.086 0.093 0.101 0.111 0.124 0.138 0.151 0.161 0.169 0.178 0.189 0.196
Mag.
0.194 0.196 0.227 0.233 0.244 0.241 0.239 0.221 0.195 0.168 0.153 0.157 0.172 0.195 0.22 0.239 0.262 0.294 0.333 0.38 0.429 0.482 0.531
Notes: 1. S-parameters are measured on a microstrip line made on 0.025 inch thick alumina carrier. The input reference plane is at the end of the input lead. The output reference plane is at the end of the output lead.
8
Ordering Information Part Number
ADA-4643-TR1 ADA-4643-TR2 ADA-4643-BLK ADA-4643-TR1G ADA-4643-TR2G ADA-4643-BLKG
No. of Devices
3000 10000 100 3000 10000 100
Container
7" Reel 13" Reel antistatic bag 7" Reel 13" Reel antistatic bag
Note: For lead-free option, the part number will have the character "G" at the end.
Package Dimensions Outline 43 SOT-343 (SC70 4-lead)
1.30 BSC
Recommended PCB Pad Layout for Agilent's SC70 4L/SOT-343 Products
1.30 0.051 1.00 0.039
HE
E
0.60 0.024
2.00 0.079
b1 D
.090 0.035 1.15 0.045 Dimensions in inches mm
A
A2
b
A1 L DIMENSIONS (mm)
C
SYMBOL E D HE A A2 A1 b b1 c L
MIN. 1.15 1.85 1.80 0.80 0.80 0.00 0.25 0.55 0.10 0.10
MAX. 1.35 2.25 2.40 1.10 1.00 0.10 0.40 0.70 0.20 0.46
NOTES: 1. All dimensions are in mm. 2. Dimensions are inclusive of plating. 3. Dimensions are exclusive of mold flash & metal burr. 4. All specifications comply to EIAJ SC70. 5. Die is facing up for mold and facing down for trim/form, ie: reverse trim/form. 6. Package surface to be mirror finish.
9
Device Orientation
REEL TOP VIEW 4 mm END VIEW
CARRIER TAPE USER FEED DIRECTION COVER TAPE
8 mm
Tape Dimensions For Outline 4T
P P0 D P2
E
F W C
D1 t1 (CARRIER TAPE THICKNESS) Tt (COVER TAPE THICKNESS)
10 MAX.
K0
10 MAX.
A0
B0
DESCRIPTION CAVITY LENGTH WIDTH DEPTH PITCH BOTTOM HOLE DIAMETER DIAMETER PITCH POSITION WIDTH THICKNESS WIDTH TAPE THICKNESS CAVITY TO PERFORATION (WIDTH DIRECTION) CAVITY TO PERFORATION (LENGTH DIRECTION)
SYMBOL A0 B0 K0 P D1 D P0 E W t1 C Tt F P2
SIZE (mm) 2.40 0.10 2.40 0.10 1.20 0.10 4.00 0.10 1.00 + 0.25 1.50 0.10 4.00 0.10 1.75 0.10 8.00 + 0.30 - 0.10 0.254 0.02 5.40 0.10 0.062 0.001 3.50 0.05 2.00 0.05
SIZE (INCHES) 0.094 0.004 0.094 0.004 0.047 0.004 0.157 0.004 0.039 + 0.010 0.061 + 0.002 0.157 0.004 0.069 0.004 0.315 + 0.012 0.0100 0.0008 0.205 + 0.004 0.0025 0.0004 0.138 0.002 0.079 0.002
PERFORATION
CARRIER TAPE COVER TAPE DISTANCE
For product information and a complete list of Agilent contacts and distributors, please go to our web site.
www.agilent.com/semiconductors
E-mail: SemiconductorSupport@agilent.com Data subject to change. Copyright (c) 2004 Agilent Technologies, Inc. Obsoletes 5988-9273EN December 4, 2004 5989-1975EN
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