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參數(shù)資料
| 型號： | MAX2038CCQ+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 20/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC VGA W/OCTAL MIXER 8CH 100TQFP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 250 |
| 類型： | 可變增益放大器 |
| 應用： | 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 |
| 供應商設備封裝： | 100-TQFP-EP（14x14） |
| 包裝： | 帶卷 (TR) |
MAX2038
Ultrasound VGA Integrated
with CW Octal Mixer
_______________________________________________________________________________________
5
AC ELECTRICAL CHARACTERISTICS—CW MIXER MODE
(
Typical Application Circuit, Figure 7. VCC = VREF = 4.75V to 5.25V, TA = 0
°C to +70°C, VGND = 0V, LOW_PWR = 0, M4_EN = 0,
CW_FILTER = 1, TEST_MODE = 0, PD = 0, CW_VG = 0, CW_M1 = 0, CW_M2 = 0, VG_CLAMP_MODE = 1, fRF = fLO/16 = 5MHz,
capacitance to GND at each of the VGA differential outputs is 60pF, differential capacitance across the VGA outputs is 10pF, RL =
1k
Ω, CW mixer outputs pulled up to +11V through four separate ±0.1% 115Ω resistors, differential mixer inputs are driven from a low
impedance source. Typical values are at VCC = VREF = 5V, TA = +25
°C, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Maximum Output Voltage at
ClampOFF
VG_CLAMP_MODE = 1, VG_CTL set for
+20dB of gain, 350mVP-P differential input
2.8
VP-P
differential
CW MIXER MODE
Mixer RF Frequency Range
0.9
7.6
MHz
Mixer LO Frequency Range
1
7.5
MHz
Mixer IF Frequency Range
100
kHz
Maximum Input Voltage Range
1.8
VP-P
differential
CW_FILTER = 0
633
Differential Input Resistance
CW_FILTER = 1
1440
Ω
Mode 3, fRF = fLO/4 = 1.25MHz, measured at a
1kHz offset frequency; clutter tone at 0.9VP-P
differential measured at the mixer input
6
Input-Referred Noise Voltage
Mode 3, RF terminated into 50
Ω; fLO/4 =
1.25MHz, measured at 1kHz offset
4.6
nV/√Hz
Third-Order Intermodulation
Distortion
IMD3
Mode 1, fRF1 = 5MHz at 0.9VP-P differential
input, Doppler tone fRF2 = 5.01MHz at 25dBc
from clutter tone, fLO/16 = 5MHz (Note 10)
-50
dBc
Mixer Output Voltage Compliance
(Note 11)
4.75
12
V
Channel-to-Channel Phase
Matching
Measured under zero beat conditions,
fRF = 5MHz, fLO/16 = 5MHz (Note 12)
±3.0
Degrees
Channel-to-Channel Gain
Matching
Measured under zero beat conditions,
fRF = 5MHz, fLO/16 = 5MHz (Note 12)
±2
dB
CW_FILTER = 1
2.8
Transconductance (Note 13)
CW_FILTER = 0
fRF = 1.1MHz, 1VP-P
differential, fLO/16 = 1MHz
2.8
mS
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