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參數(shù)資料
| 型號(hào)： | MAX2037CCQ+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 8/13頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP VARIABLE GAIN 100-TQFP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 類型： | 可變?cè)鲆娣糯笃?br> |
| 應(yīng)用： | 醫(yī)療用超聲波成像，聲納 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 100-TQFP 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 100-TQFP-EP（14x14） |
| 包裝： | 帶卷 (TR) |
MAX2037
Ultrasound Variable-Gain Amplifier
4
_______________________________________________________________________________________
Typical Operating Characteristics
(Figure 2, VCC = VREF = 4.75V to 5.25V, VGND = 0, PD = 0, VG_CLAMP_MODE = 1, fRF = 5MHz, capacitance to GND at each of the
VGA differential outputs is 60pF, differential capacitance across the VGA outputs is 10pF, RL = 1k
Ω, TA = 0°C to +70°C. Typical
values are at VCC = VREF = 5V, TA = +25°C, unless otherwise noted.)
0
1.0
0.5
2.0
1.5
3.0
2.5
3.5
4.5
4.0
5.0
0
5.0
7.5
2.5
10.0 12.5 15.0 17.5 20.0
OVERDRIVE PHASE DELAY
vs. FREQUENCY
MAX2037toc01
FREQUENCY (MHz)
OVERDRIVE
PHASE
DELAY
(ns)
VIN1 = 35mVP-P DIFFERENTIAL
VIN2 = 87.5mVP-P DIFFERENTIAL
GAIN = 20dB
-100
-90
-80
-70
-60
-50
-40
075
50
25
100 125 150 175 200
POWER SUPPLY MODULATION RATIO
MAX2037
toc02
FREQUENCY (kHz)
PSMR
(dBc)
VOUT = 1.5VP-P DIFFERENTIAL
VMOD = 50mVP-P, fCARRIER = 5MHz,
GAIN = 10dB
-80
-70
-60
-50
-40
-30
-20
-10
0
-15
-5
5
15
25
35
TWO-TONE ULTRASOUND-SPECIFIC
IMD3 vs. GAIN
MAX2037toc03
GAIN (dB)
IMD3
(dBc)
VOUT = 1VP-P DIFFERENTIAL
f = 10MHz
f = 2MHz
f = 5MHz
Note 2: Specifications at TA = +25°C and TA = +70°C are guaranteed by production test. Specifications at TA = 0°C are guaranteed
by design and characterization.
Note 3: Noise performance of the device is dependent on the noise contribution from the supply to VREF. Use a low noise supply for
VREF. VCC and VREF can be connected together to share the same supply voltage if the supply for VCC exhibits low noise.
Note 4: See the
Ultrasound-Specific IMD3 Specification in the Applications Information section.
AC ELECTRICAL CHARACTERISTICS (continued)
(Figure 2, VCC = VREF = 4.75V to 5.25V, VCM = (3/5)VREF, TA = 0°C to +70°C, VGND = 0, PD = 0, VG_CLAMP_MODE = 1, fRF =
5MHz, capacitance to GND at each of the VGA differential outputs is 60pF, differential capacitance across the VGA outputs is 10pF,
RL = 1k
Ω. Typical values are at VCC = VREF = 5V, TA = +25°C, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Channel-to-Channel Crosstalk
VOUT = 1VP-P differential, fRF = 10MHz,
VG_CTL set for +10dB of gain
-80
dB
Maximum Output Voltage at
Clamp ON
VG_CLAMP_MODE = 0,
VG_CTL set for +20dB of gain,
350mVP-P differential input
2.4
VP-P
differential
Maximum Output Voltage at
Clamp OFF
VG_CLAMP_MODE = 1,
VG_CTL set for +20dB of gain,
350mVP-P differential input
2.8
VP-P
differential
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