MAX2078CTK データシートの表示（PDF） - Maxim Integrated
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MAX2078CTK Datasheet PDF : 26 Pages
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Octal-Channel Ultrasound Front-End
with CW Doppler Mixers
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
3V Power-Down Current
3V Supply Current per Channel
I_PD_3V_TOT PD = VCC1, all channels
I_3V_NM Total I divided by 8, VG+ - VG- = -2V
4.75V/5V Supply Current per Channel I_5V_NM Total I divided by 8
DC Power per Channel
P_NM
Differential Analog Control Voltage
Range
VGAIN_RANG VG+ - VG-
Common-Mode Voltage for
Difference Analog Control
VGAIN_COMM (VG+ + VG-)/2
Source/Sink Current for Gain Control
Pins
I_ACONTROL Per pin
Reference Voltage Input
Reference Current
Output Common-Mode Level
VREF
IREF
VCMO
All channels
MIN
2.475
TYP
0.3
11
6.0
64.8
±3
1.65
±5%
±1.6
9.7
1.73
MAX
10
16
8.3
92.3
UNITS
µA
mA
mA
mW
V
V
±2.3
µA
2.525
V
13
µA
V
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% 162Ω resistors.
Typical values are at VCC1 = 3.3V, VCC2 = 4.75V, TA = +25°C, unless otherwise noted.) (Note 5)
PARAMETER
Reference Current
Mixer LVDS LO Input Common-Mode Voltage
SYMBOL
IREF
V_LVDS_CM
CONDITIONS
LO+ and LO-
MIN TYP MAX
82.7
1.25 ±0.2
UNITS
µA
V
LVDS LO Differential Input Voltage
V_LVDS_DM Common-mode input voltage 200
700
= 1.25V (Note 7)
mVP-P
LVDS LO Input Common-Mode Current
I_LVDS_CM
Current out of each pin,
V_LVDS_CM = 1.25V
130
µA
LVDS LO Differential Input Resistance
POWER-DOWN MODE
4.75V/5V Supply Current per Channel
3.3V Supply Current per Channel
LOW-POWER MODE
4.75V/5V Supply Current per Channel
3.3V Supply Current per Channel
11V Supply Current per Channel
On-Chip Power Dissipation (All 8 Channels)
NORMAL POWER MODE
4.75V/5V Supply Current per Channel
3.3V Supply Current per Channel
11V Supply Current per Channel
On-Chip Power Dissipation (All 8 Channels)
R_DM_LVDS (Note 8)
I_C_5V_P PD = 1
I_C_3_3V_P PD = 1
I_C_5V_L CLP = 1
I_C_3_3V_L CLP = 1
I_C_11V_L CLP = 1
PDIS_FP_TOT_L CLP = 1
I_C_5V_N
I_C_3_3V_N
I_C_11V_N
PDIS_FP_TOT_N (Note 9)
4
kΩ
0.6
10
µA
0.1
10
µA
27
30
mA
0.4
0.95
mA
6.8
8.4
mA
1.44 1.7
W
31
34
mA
0.4
0.95
mA
11.3
13
mA
1.87 2.2
W
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