Digital Output Ground Voltage (OGND) ........ –0.3V to 1V
Analog Input Voltage (Note 3) ...... –0.3V to (V
DD
+ 0.3V)
Digital Input Voltage..................... –0.3V to (V
DD
+ 0.3V)
Digital Output Voltage ................ –0.3V to (OV
DD
+ 0.3V)
Power Dissipation .............................................1500mW
Operating Temperature Range
LTC2222C, LTC2223C .............................. 0°C to 70°C
LTC2222I, LTC2223I ............................–40°C to 85°C
Storage Temperature Range .................. –65°C to 125°C
ORDER INFORMATION
LEAD FREE FINISH
LTC2222CUK#PBF
LTC2222IUK#PBF
LTC2223CUK#PBF
LTC2223IUK#PBF
TAPE AND REEL
LTC2222CUK#TRPBF
LTC2222IUK#TRPBF
LTC2223CUK#TRPBF
LTC2223IUK#TRPBF
PART MARKING*
LTC2222UK
LTC2222UK
LTC2223UK
LTC2223UK
PACKAGE DESCRIPTION
48-Lead 7mm
×
7mm Plastic DFN
48-Lead 7mm
×
7mm Plastic DFN
48-Lead 7mm
×
7mm Plastic DFN
48-Lead 7mm
×
7mm Plastic DFN
TEMPERATURE RANGE
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.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
GND 13
V
DD
14
GND 15
ENC
+
16
ENC
–
17
SHDN 18
OE
19
CLOCKOUT 20
DO 21
OGND 22
OV
DD
23
D1 24
22223fb
2
LTC2222/LTC2223
ELECTRICAL CHARACTERISTICS
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error (Note 5)
Differential Linearity Error
Integral Linearity Error (Note 5)
Differential Linearity Error
Offset Error (Note 6)
Gain Error
Offset Drift
Full-Scale Drift
Transition Noise
Internal Reference
External Reference
SENSE = 1V
External Reference
Differential Analog Input
Differential Analog Input
Single-Ended Analog Input
Single-Ended Analog Input
l
l
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C.
LTC2222
CONDITIONS
l
l
l
LTC2223
MAX
1.3
1
MIN
12
–1.1
–0.8
TYP
±0.3
±0.2
±1
±0.2
30
2.5
–30
–2.5
±3
±0.5
±10
±30
±15
0.5
30
2.5
MAX
1.1
0.8
UNITS
Bits
LSB
LSB
LSB
LSB
mV
%FS
μV/C
ppm/C
ppm/C
LSB
RMS
MIN
12
–1.3
–1
TYP
±0.3
±0.2
±1
±0.2
–30
–2.5
±3
±0.5
±10
±30
±15
0.5
ANALOG INPUT
SYMBOL
V
IN
V
IN
,
CM
I
IN
I
SENSE
I
MODE
t
AP
t
JITTER
CMRR
PARAMETER
The
l
denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at T
A
= 25°C.
(Note 4)
CONDITIONS
3.1V < V
DD
< 3.5V
Differential Input
Single-Ended Input (Note 7)
0 < A
IN+
, A
IN–
< V
DD
0V < SENSE < 1V
Figure 8 Test Circuit
l
l
l
l
l
M
IN
1
0.5
–1
–1
TYP
±0.5 to ±1
1.6
1.6
MAX
1.9
2.1
1
1
UNITS
V
V
V
μA
μA
μA
MHz
ns
ps
RMS
dB
Analog Input Range (A
IN+
– A
IN–
)
Analog Input Common Mode (A
IN+
+ A
IN–
)/2
Analog Input Leakage Current
SENSE Input Leakage
MODE Pin Pull-Down Current to GND
Full Power Bandwidth
Sample and Hold Acquisition Delay Time
Sample and Hold Acquisition Delay Time Jitter
Analog Input Common Mode Rejection Ratio
10
775
0
0.15
80
22223fb
3
LTC2222/LTC2223
DYNAMIC ACCURACY
SYMBOL
SNR
PARAMETER
Signal-to-Noise Ratio
The
l
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C.
A
IN
= –1dBFS. (Note 4)
LTC2222
CONDITIONS
30MHz Input (1V Range)
30MHz Input (2V Range)
70MHz Input (1V Range)
70MHz Input (2V Range)
140MHz Input (1V Range)
140MHz Input (2V Range)
250MHz Input (1V Range)
250MHz Input (2V Range)
l
LTC2223
MAX
MIN
67.5
TYP
63.6
68.5
63.5
68.4
63.5
68.0
63.0
67.3
73
84
84
84
84
84
81
80
75
90
90
90
90
90
90
90
90
67
63.6
68.5
63.6
68.3
81
MAX
UNITS
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBc
MIN
67
TYP
63.5
68.4
63.4
68.3
63.2
67.9
62.7
67.0
SFDR
Spurious Free Dynamic Range
30MHz Input (1V Range)
30MHz Input (2V Range)
70MHz Input (1V Range)
70MHz Input (2V Range)
140MHz Input (1V Range)
140MHz Input (2V Range)
250MHz Input (1V Range)
250MHz Input (2V Range)
l
72
84
84
84
84
81
81
77
77
90
90
90
90
90
90
90
90
SFDR
Spurious Free Dynamic Range
4th Harmonic or Higher
30MHz Input (1V Range)
30MHz Input (2V Range)
70MHz Input (1V Range)
70MHz Input (2V Range)
140MHz Input (1V Range)
140MHz Input (2V Range)
250MHz Input (1V Range)
250MHz Input (2V Range)
S/(N+D)
Signal-to-Noise
Plus Distortion Ratio
30MHz Input (1V Range)
30MHz Input (2V Range)
70MHz Input (1V Range)
70MHz Input (2V Range)
l
66.5
63.5
68.4
63.5
68.2
81
IMD
Intermodulation Distortion
f
IN1
= 138MHz, f
IN2
= 140MHz
INTERNAL REFERENCE CHARACTERISTICS
PARAMETER
V
CM
Output Voltage
V
CM
Output Tempco
V
CM
Line Regulation
V
CM
Output Resistance
3.1V < V
DD
< 3.5V
–1mA < I
OUT
< 1mA
CONDITIONS
I
OUT
= 0
(Note 4)
MIN
1.575
TYP
1.600
±25
3
4
MAX
1.625
UNITS
V
ppm/°C
mV/V
Ω
22223fb
4
LTC2222/LTC2223
DIGITAL INPUTS AND DIGITAL OUTPUTS
SYMBOL
V
ID
V
ICM
R
IN
C
IN
V
IH
V
IL
I
IN
C
IN
PARAMETER
Differential Input Voltage
Common Mode Input Voltage
Input Resistance
Input Capacitance
High Level Input Voltage
Low Level Input Voltage
Input Current
Input Capacitance
(Note 7)
V
DD
= 3.3V
V
DD
= 3.3V
V
IN
= 0V to V
DD
(Note 7)
l
l
l
The
l
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
A
= 25°C.
(Note 4)
CONDITIONS
l
MIN
0.2
1.1
TYP
MAX
UNITS
V
Encode Inputs (ENC
+
, ENC
–
)
Internally Set
Externally Set (Note 7)
1.6
1.6
6
3
2
0.8
–10
3
10
V
V
kΩ
pF
V
V
μA
pF
l
2.5
Logic Inputs (OE, SHDN)
Logic Outputs
OV
DD
= 3.3V
C
OZ
I
SOURCE
I
SINK
V
OH
V
OL
Hi-Z Output Capacitance
Output Source Current
Output Sink Current
High Level Output Voltage
Low Level Output Voltage
OE
= High (Note 7)
V
OUT
= 0V
V
OUT
= 3.3V
I
O
= –10μA
I
O
= –200μA
I
O
= 10μA
I
O
= 1.6mA
I
O
= –200μA
I
O
= 1.6mA
I
O
= –200μA
I
O
= 1.6mA
l
l
3
50
50
3.1
3.295
3.29
0.005
0.09
2.49
0.09
1.79
0.09
0.4
pF
mA
mA
V
V
V
V
V
V
V
V
OV
DD
= 2.5V
V
OH
V
OL
V
OH
V
OL
High Level Output Voltage
Low Level Output Voltage
High Level Output Voltage
Low Level Output Voltage
OV
DD
= 1.8V
POWER REQUIREMENTS
SYMBOL
V
DD
OV
DD
IV
DD
P
DISS
P
SHDN
P
NAP
PARAMETER
Analog Supply Voltage
Output Supply Voltage
Analog Supply Current
Power Dissipation
Shutdown Power
Nap Mode Power
The
l
denotes the specifications which apply over the full operating temperature
SMT贴片机是表面贴装技术（Surface Mount Technology）中的重要设备，它的性能状态对电子制造的质量和效率有着决定性的影响。因此，对SMT贴片机的主要指标性能进行定期检测非常重要。以下是一些主要的检测项目： 定位精度：定位精度是SMT贴片机的核心性能指标，它直接影响到贴片的准确性。通常，我们通过重复测量贴片机在X、Y轴上的移动误差来检测其定位精度。 贴片速度：贴片速度...[详细]
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