參數(shù)資料
型號： MAX2078CTK+
廠商： Maxim Integrated Products
文件頁數(shù)： 20/26頁
文件大?。?/td> 0K
描述： IC FRNT-END ULTRASOUND 8CH 68QFN
應(yīng)用說明： Ultrasound Imaging Systems Application Note
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
特色產(chǎn)品： MAX2078 Octal-Channel Ultrasound Front-End with CW Doppler Mixers
標(biāo)準(zhǔn)包裝： 30
類型： 超聲波接收器
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： 68-TQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 68-TQFN-EP（10x10）
包裝： 管件
MAX2078
Octal-Channel Ultrasound Front-End
with CW Doppler Mixers
_______________________________________________________________________________________
3
DC ELECTRICAL CHARACTERISTICS—CW MODE
(
Typical Application Circuit, VREF = 2.475V to 2.525V, VCC1 = 3.13V to 3.47V, VCC2 = 4.5V to 5.25V, TA = 0°C to +70°C, VGND = 0V,
NP = 0, PD = 0, CLP = 0, V/C = 0, no RF signals applied. CI_, CQ_ pulled up to 11V through four separate 0.1% 162
Ω resistors.
Typical values are at VCC1 = 3.3V, VCC2 = 4.75V, TA = +25°C, unless otherwise noted.) (Note 5)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Reference Current
IREF
82.7
A
Mixer LVDS LO Input Common-Mode Voltage
V_LVDS_CM
LO+ and LO-
1.25 ±0.2
V
LVDS LO Differential Input Voltage
V_LVDS_DM
Common-mode input voltage
= 1.25V (Note 7)
200
700
mVP-P
LVDS LO Input Common-Mode Current
I_LVDS_CM
Current out of each pin,
V_LVDS_CM = 1.25V
130
A
LVDS LO Differential Input Resistance
R_DM_LVDS
(Note 8)
4
k
Ω
POWER-DOWN MODE
4.75V/5V Supply Current per Channel
I_C_5V_P
PD = 1
0.6
10
A
3.3V Supply Current per Channel
I_C_3_3V_P
PD = 1
0.1
10
A
LOW-POWER MODE
4.75V/5V Supply Current per Channel
I_C_5V_L
CLP = 1
27
30
mA
3.3V Supply Current per Channel
I_C_3_3V_L
CLP = 1
0.4
0.95
mA
11V Supply Current per Channel
I_C_11V_L
CLP = 1
6.8
8.4
mA
On-Chip Power Dissipation (All 8 Channels)
PDIS_FP_TOT_L CLP = 1
1.44
1.7
W
NORMAL POWER MODE
4.75V/5V Supply Current per Channel
I_C_5V_N
31
34
mA
3.3V Supply Current per Channel
I_C_3_3V_N
0.4
0.95
mA
11V Supply Current per Channel
I_C_11V_N
11.3
13
mA
On-Chip Power Dissipation (All 8 Channels)
PDIS_FP_TOT_N (Note 9)
1.87
2.2
W
DC ELECTRICAL CHARACTERISTICS—VGA MODE (continued)
(
Typical Application Circuit, VREF = 2.475V to 2.525V, VCC1 = 3.13V to 3.47V, VCC2 = 4.5V to 5.25V, TA = 0°C to +70°C, VGND = 0V,
NP = 0, V/C = 1, CLP = 0, PD = 0, no RF signals applied. Typical values are at VCC1 = 3.3V, VCC2 = 4.75V, TA = +25°C, unless other-
wise noted.) (Note 5)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
3V Power-Down Current
I_PD_3V_TOT PD = VCC1, all channels
0.3
10
A
3V Supply Current per Channel
I_3V_NM
Total I divided by 8, VG+ - VG- = -2V
11
16
mA
4.75V/5V Supply Current per Channel
I_5V_NM
Total I divided by 8
6.0
8.3
mA
DC Power per Channel
P_NM
64.8
92.3
mW
Differential Analog Control Voltage
Range
VGAIN_RANG VG+ - VG-
±3
V
Common-Mode Voltage for
Difference Analog Control
VGAIN_COMM (VG+ + VG-)/2
1.65
±5%
V
Source/Sink Current for Gain Control
Pins
I_ACONTROL Per pin
±1.6
±2.3
A
Reference Voltage Input
VREF
2.475
2.525
V
Reference Current
IREF
All channels
9.7
13
A
Output Common-Mode Level
VCMO
1.73
V
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