Mitsumi MM1624 Ic for xo monolithic ic Datasheet

MITSUMI
IC for XO MM1424, MM1624
IC for XO
Monolithic IC MM1424, MM1624 Series
Outline
This is a low current consumption, low operating voltage XO IC with Colpitz oscillation circuit. Smaller size is
achieved by the on-chip bias circuit and Colpitz oscillation capacitor.
Features
1. Low current consumption.
1.5mA max. (Vcc = 2.8V)
2. Low power supply operating voltage.
Vcc = 2.3 to 3.3V
3. On-chip Colpitz oscillation capacitor · On-chip bias resistor.
4. Low phase noise.
-140dBc (@1kHz)
5. Ultra-small package type.
Package
SC-82 (MM1424CUXX)
MCSP-4A (MM1424CCXX)
WLCSP-4A (MM1624CLXX)
Applications
1. Crystal oscillators
2. VCXO
3. TCXO
Pin Assignment
MM1424CUXX
4
3
1
2
MM1424CCXX
MM1624CLXX
1
4
1
4
2
3
2
3
SC-82
(TOP VIEW)
MCSP-4A
(TOP VIEW)
WLCSP-4A
(TOP VIEW)
1
X'tal
1
GND
1
X'tal
2
GND
2
X'tal
2
GND
3
VOUT
3
VCC
3
VOUT
4
VCC
4
VOUT
4
VCC
MITSUMI
IC for XO MM1424, MM1624
Equivalent Circuit Diagram
MM1424CUXX
VCC
VOUT
4
3
47k
830
130k
36p
73p
73p
250
1
2
X'tal
GND
VCC
VOUT
3
4
MM1424CCXX
47k
830
130k
36p
73p
73p
250
2
1
X'tal
GND
VCC
VOUT
4
3
MM1624CL
47k
910
130k
36p
73p
73p
330
1
2
X'tal
GND
Note : The component values in the schematic circuit diagram are typical.
MITSUMI
IC for XO MM1424, MM1624
Pin Description
Pin No
Pin name
MM1424CUXX MM1424CCXX MM1624CLXX
Functions
1
2
1
X'tal
X'tal pin
2
1
2
GND
GND
3
4
3
VOUT
Output pin
4
3
4
VCC
Supply voltage
Absolute Maximum Ratings
(Ta=25°C)
Item
Symbol
Ratings
Unit
Storage temperature
TSTG
-40~+125
°C
Operating temperature
TOPR
-30~+80
°C
Supply voltage
VCC max.
5.5
V
Input voltage
VIN max.
0 <= VIN <= VCC
V
150(MM1424CUXX)
Pd
Power dissipation
180(MM1424CCXX)
*
220(MM1624CLXX)
*
mW
Note : Assembled on PC board.
Pc board dimensions : 80 20mm, t=0.8mm, (MM1424CCXX)
Material : Glass epoxy 110 40mm, t=0.8mm, 4 stratum (MM1624CLXX)
*
Recommended Operating Conditions
Item
Symbol
Ratings
Unit
Operating temperature
TOPR
-30~+80
°C
Supply voltage
VOP
2.3~3.3
V
Operating frequency
FOPR
10~26
MHz
Note : The definition of the operation at the recommended operating conditions is to
oscillate.
*
Electrical Characteristics
(VCC=2.7V, Ta=25±2°C, Load : 2kΩ // 10pF, fosc=26MHz unless otherwise specificd)
Item
Symbol
Measurement conditions
Current consumption
Icc
VCC=2.8V
Output frequency
FO
40
50
VCC=2.6~2.8V
*2
VIN=0.1Vrms, 26MHz
*
V
60
%
Ω
-100 -150
f-VCC
VCC=2.7V±0.1V
-0.2
0
0.2
ppm
f-LO
RL=2kΩ±10% CL=10pF±10%
-0.3
0
0.3
ppm
Note1 1: Output frequency satisfies the results measured by the correlation test boxes.
Note2 2: Duty ratio is measured at the center of Vp-p.
Note3 3: The items of 3 are only guaranteed by the desigh of the circuit.
*
*
*
ppm
1.05
Duty
*
Frequency stability-load variation 3
*
30
0.8
Duty ratio
Frequency stability-supply voltage variation 3
mA
0
VCC=2.6V
RN
1.5
-30
VOUT
*
1.3
*1
Output voltage
Negative resistance 3
Min. Typ. Max. Unit
MITSUMI
IC for XO MM1424, MM1624
Measuring Circuit
MM1424CUXX
MM1424CCXX
10000pF
TP
10000pF
A
2kΩ
VCC
10pF
10000pF
2kΩ
VCC
4
3
3
2
2
X'tal
26MHz
47Ω
MM1624CLXX
10000pF
TP
A
2kΩ
10pF
10000pF
4
3
MM1624
1
2
10pF
47Ω
1
10pF
· This load capacity (10pF) contains a capacity of a
probe.
VCC
4
MM1424
10pF
47Ω
10pF
10000pF
MM1424
1
TP
A
X'tal
26MHz
· This load capacity (10pF) contains a capacity of a
probe.
X'tal
26MHz
· This load capacity (10pF) contains a capacity of a
probe.
MITSUMI
IC for XO MM1424, MM1624
Circuit diagram which is to measure the negative resistance.
MM1424CUXX
MM1424CCXX
10000pF
10000pF
2kΩ
10000pF
10pF
VCC
4
3
3
MM1424
1
2
2
1µF
0.1Vrms
26MHz
sine wave
VIN
TP
10000pF
2kΩ
10000pF
VCC
3
MM1624
1
1µF
VIN
0.1Vrms
26MHz
sine wave
TP
0.1Vrms
26MHz
sine wave
TP
MM1624CLXX
4
4
MM1424
1µF
VIN
2kΩ
10000pF
VCC
2
10pF
1
10pF
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