CAUTION: This part is sensitive to electrostatic discharge
(ESD). It is very important that proper ESD precautions
be observed when handling the RF and LO inputs of the
LTM9004.
orDer inForMaTion
LEAD FREE FINISH
LTM9004CV-AA#PBF
LTM9004IV-AA#PBF
LTM9004CV-AB#PBF
LTM9004IV-AB#PBF
LTM9004CV-AC#PBF
LTM9004IV-AC#PBF
LTM9004CV-AD#PBF
LTM9004IV-AD#PBF
TRAY
LTM9004CV-AA#PBF
LTM9004IV-AA#PBF
LTM9004CV-AB#PBF
LTM9004IV-AB#PBF
LTM9004CV-AC#PBF
LTM9004IV-AC#PBF
LTM9004CV-AD#PBF
LTM9004IV-AD#PBF
PART MARKING*
LTM9004V AA
LTM9004V AA
LTM9004V AB
LTM9004V AB
LTM9004V AC
LTM9004V AC
LTM9004V AD
LTM9004V AD
PACKAGE DESCRIPTION
204-Lead (15mm
×
22mm
×
2.91mm) LGA
204-Lead (15mm
×
22mm
×
2.91mm) LGA
204-Lead (15mm
×
22mm
×
2.91mm) LGA
204-Lead (15mm
×
22mm
×
2.91mm) LGA
204-Lead (15mm
×
22mm
×
2.91mm) LGA
204-Lead (15mm
×
22mm
×
2.91mm) LGA
204-Lead (15mm
×
22mm
×
2.91mm) LGA
204-Lead (15mm
×
22mm
×
2.91mm) LGA
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
This product is only offered in trays. For more information go to:
http://www.linear.com/packaging/
2
9004fa
For more information
www.linear.com/LTM9004
LTM9004
elecTrical characTerisTics
SYMBOL
PARAMETER
RF Input Frequency Range
LO Input Frequency Range
Baseband Frequency Range
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. Unless otherwise noted, V
CC1
= V
CC2
= 5V, V
DD
= OV
DD
= 3V, V
CC3
= 3V
(LTM9004-AC, LTM9004-AD), V
CC3
= 5V (LTM9004-AA, LTM9004-AB), P
LO
= 0dBm. (Note 3)
CONDITIONS
No External Matching (High Band)
With External Matching (Low Band, Mid Band)
No External Matching (High Band)
With External Matching (Low Band, Mid Band)
LTM9004-AA
LTM9004-AB
LTM9004-AC
LTM9004-AD
Z
0
= 50Ω, 1.5GHz to 2.7GHz, Internally Matched
Z
0
= 50Ω, 1.5GHz to 2.7GHz, Internally Matched
RF = 1950MHz
MIN
TYP
1.5 to 2.7
0.7 to 1.5
1.5 to 2.7
0.7 to 1.5
DC to 1.92
DC to 4.42
DC to 9.42
DC to 20
>10
>10
–7.3
–13 to 5
0.2
1.5
RF = 900MHz
RF = 1900MHz
RF = 900MHz
RF = 1900MHz
(Note 5)
–40°C to 85°C
DC to 1.92MHz (LTM9004-AA)
DC to 4.42MHz (LTM9004-AB)
DC to 9.42MHz (LTM9004-AC)
DC to 20MHz (LTM9004-AD)
DC to 1.92MHz (LTM9004-AA)
DC to 4.42MHz (LTM9004-AB)
DC to 9.42MHz (LTM9004-AC)
DC to 20MHz (LTM9004-AD)
LTM9004-AA
5MHz
10MHz
LTM9004-AB
7.5MHz
12.5MHz
LTM9004-AC
12.5MHz
17.5MHz
LTM9004-AD
30MHz
40MHz
–60.8
–64.6
59.7
57.1
35
210
0.2
0.2
0.2
0.3
15
15
15
5
5.3
33.5
1
11
0.5
1
1.5
5.5
4
6.3
15
28
MAX
UNITS
GHz
GHz
GHz
GHz
MHz
MHz
MHz
MHz
dB
dB
dBm
dBm
dB
Deg
dBm
dBm
dB
dB
mV
µV/°C
dB
dB
dB
dB
nsec
nsec
nsec
nsec
dB
dB
dB
dB
dB
dB
dB
dB
MHz
MHz
MHz
MHz
RF Input Return Loss
LO Input Return Loss
RF Input Power for –1dBFS
LO Input Power
I/Q Gain Mismatch
I/Q Phase Mismatch
LO to RF Leakage
RF to LO Isolation
Maximum DC Offset Voltage, No RF
DC Offset Variation
Gain Flatness
Group Delay Flatness
Rejection
f
LPF
Lowpass Filter Cutoff Frequency
1dB Point (LTM9004-AA)
1dB Point (LTM9004-AB)
1dB Point (LTM9004-AC)
1dB Point (LTM9004-AD)
9004fa
For more information
www.linear.com/LTM9004
3
LTM9004
DynaMic accuracy
SYMBOL
IIP3
IIP2
SNR
PARAMETER
Input 3rd-Order Intercept, 1 Tone
Input 2nd-Order Intercept, 1 Tone
Signal-to-Noise Ratio at –1dBFS
1.92MHz (LTM9004-AA)
4.42MHz (LTM9004-AB)
9.42MHz (LTM9004-AC)
20MHz (LTM9004-AD)
LTM9004-AA
RF = 1950.5MHz, LO =1950MHz
LTM9004-AB
RF = 1951MHz, LO =1950MHz
LTM9004-AC
RF = 1952.5MHz, LO =1950MHz
LTM9004-AD
RF = 1955MHz, LO =1950MHz
SFDR
Spurious Free Dynamic Range 4th or
Higher at –1dBFS
LTM9004-AA
RF = 1950.5MHz, LO =1950MHz
LTM9004-AB
RF = 1951MHz, LO =1950MHz
LTM9004-AC
RF = 1952.5MHz, LO =1950MHz
LTM9004-AD
RF = 1955MHz, LO =1950MHz
S/(N+D)
Signal-to-Noise Plus Distortion Ratio
at –1dBFS
LTM9004-AA
RF = 1950.5MHz, LO =1950MHz
LTM9004-AB
RF = 1951MHz, LO =1950MHz
LTM9004-AC
RF = 1952.5MHz, LO =1950MHz
LTM9004-AD
RF = 1955MHz, LO =1950MHz
HD2
2nd Order Harmonic Distortion Ratio
at –1dBFS
LTM9004-AA
RF = 1950.5MHz, LO =1950MHz
LTM9004-AB
RF = 1951MHz, LO =1950MHz
LTM9004-AC
RF = 1952.5MHz, LO =1950MHz
LTM9004-AD
RF = 1955MHz, LO =1950MHz
HD3
3rd Order Harmonic Distortion Ratio
at –1dBFS
LTM9004-AA
RF = 1950.5MHz, LO =1950MHz
LTM9004-AB
RF = 1951MHz, LO =1950MHz
LTM9004-AC
RF = 1952.5MHz, LO =1950MHz
LTM9004-AD
RF = 1955MHz, LO =1950MHz
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
The
l
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C. Unless otherwise noted, V
CC1
= V
CC2
= 5V, V
DD
= OV
DD
= 3V, V
CC3
= 3V (LTM9004-AC,
LTM9004-AD), V
CC3
= 5V (LTM9004-AA, LTM9004-AB), P
LO
= 0dBm.
CONDITIONS
MIN
TYP
22
58
70.6
69.7
70.3
66.3
50
50
52.5
55
65
70
70
70
51.5
51.5
53
53
76.1
75.2
72
68.9
63.5
65
66
64
88
91
89
89
58.5
60
61
60
64
66
66
64
69
66
67
67
MAX
UNITS
dBm
dBm
dB/1.92MHz
dB/4.42MHz
dB/9.42MHz
dB/20MHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
SFDR
Spurious Free Dynamic Range 2nd or
3rd Harmonic at –1dBFS
4
9004fa
For more information
www.linear.com/LTM9004
LTM9004
converTer characTerisTics
SYMBOL PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error (Note 4)
Differential Linearity Error
Differential Analog Input
Differential Analog Input
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. Unless otherwise noted, V
CC1
= V
CC2
= 5V, V
DD
= OV
DD
= 3V. V
CC3
= 3V
(LTM9004-AC, LTM9004-AD), V
CC3
= 5V (LTM9004-AA, LTM9004-AB)
CONDITIONS
l
MIN
14
TYP
±1.5
±1
MAX
UNITS
Bits
LSB
LSB
DigiTal inpuTs anD ouTpuTs
SYMBOL
V
IH
V
IL
I
IN
PARAMETER
High Level Input Voltage
Low Level Input Voltage
Input Current
Turn On Time
Turn Off Time
First Amplifier Logic Input (AMP1ENABLE)
V
IH
V
IL
R
IN
High Level Input Voltage
Low Level Input Voltage
Input Pull-Up Resistance
Turn On Time
Turn Off Time
the
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. Unless otherwise noted, V
CC1
= V
CC2
= 5V, V
DD
= OV
DD
= 3V. V
CC3
= 3V
(LTM9004-AC, LTM9004-AD), V
CC3
= 5V (LTM9004-AA, LTM9004-AB)
CONDITIONS
V
CC1
= 5V
V
CC1
= 5V
V
IN
= V
CC1
l
l
MIN
2
TYP
MAX
UNITS
V
Mixer Logic Input (MIXENABLE)
1
120
120
750
V
CC2
= 5V
V
CC2
= 5V
V
CC2
= 5V, V
AMP1ENABLE
= 0V to 0.5V
l
l
V
µA
ns
ns
V
2.55
25
2
1.8
200
50
1.25
70
V
kΩ
ns
ns
V
Second Amplifier Logic Input (AMP2ENABLE, LTM9004-AA, LTM9004-AB)
V
IH
V
IL
R
IN
High Level Input Voltage
Low Level Input Voltage
Input Pull-Up Resistance
Turn On Time
Turn Off Time
Second Amplifier Logic Input (AMP2ENABLE, LTM9004-AC, LTM9004-AD)
编译自semiengineering 业界越来越关注人工智能的功耗问题，但这个问题并没有简单的解决方案。这需要深入了解应用、半导体和系统层面的软件和硬件架构，以及所有这些的设计和实现方式。每个环节都会影响总功耗和提供的效用。这是最终必须做出的权衡。 但首先，必须解决效用问题。电力是否被浪费了？“我们将电力用于有价值的用途，”Ansys（现为新思科技旗下公司）产品营销总监 Marc Swi...[详细]
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