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MAX15302ETL-T

Isolated DC/DC Converters Auto-Comp digital PoL controller

器件类别:半导体    电源管理   

厂商名称:Maxim(美信半导体)

厂商官网:https://www.maximintegrated.com/en.html

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器件参数
参数名称
属性值
产品种类
Product Category
Isolated DC/DC Converters
制造商
Manufacturer
Maxim(美信半导体)
RoHS
Details
系列
Packaging
Reel
工厂包装数量
Factory Pack Quantity
2500
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MAX153
1Msps, µP-Compatible,
8-Bit ADC with 1µA Power-Down
General Description
The MAX153 high-speed, microprocessor (µP)-compatible,
8-bit analog-to-digital converter (ADC) uses a half-flash
technique to achieve a 660ns conversion time, and digitiz-
es at a rate of 1M samples per second (Msps). It operates
with single +5V or dual ±5V supplies and accepts either
unipolar or bipolar inputs. A
POWERDN
(power-down)
pin reduces current consumption to a typical value of 1µA
(with 5V supply). The part returns from power-down to
normal operating mode in less than 200ns, providing large
reductions in supply current in applications with burst-
mode input signals.
The MAX153 is DC and dynamically tested. Its µP interface
appears as a memory location or input/output port that
requires no external interface logic. The data outputs use
latched, three-state buffered circuitry for direct connection
to a µP data bus or system input port. The ADC’s input/
reference arrangement enables ratiometric operation.
Features
● 660ns Conversion Time
● Power-Up/Power-Down in 200ns
● Internal Track/Hold
● 1Msps Throughput
● Low Power
40mW (Operating Mode)
5µW (Power-Down Mode)
● 1MHz Full-Power Bandwidth
● 20-Pin Narrow DIP, SO, and SSOP Packages
● No External Clock Required
● Unipolar/Bipolar Inputs
● Single +5V or Dual ±5V Supplies
● Ratiometric Reference Inputs
Applications
Functional Diagram
V
DD
V
REF+
12
V
REF-
11
V
IN
1
4-BIT
FLASH
ADC
THREE-
STATE
DRIVERS
20
18
PWRDN
Cellular Telephones
Portable Radios
Battery-Powered Systems
Burst-Mode Data Acquisition
Digital-Signal Processing
Telecommunications
High-Speed Servo Loops
4-BIT
DAC
V
REF+
16
4-BIT
FLASH
ADC
(4 LSB)
TIMING AND CONTROL
CIRCUITRY
10
7
6
3
7
RD
7
INT
Ordering Information
appears at end of data sheet.
For related parts and recommended products to use with this part, refer
to
www.maximintegrated.com/MAX153.related.
D0–D7
DATA
OUT
PINS
2–5,
14–17
MAX153
19
V
SS
GND MODE WR/RDY CS
19-4740; Rev 2; 1/12
MAX153
1Msps, µP-Compatible,
8-Bit ADC with 1µA Power-Down
Absolute Maximum Ratings
(All voltages referenced to GND.)
V
DD
..........................................................................-0.3V to +7V
V
SS
..........................................................................+0.3V to -7V
Digital Input Voltage ............................... +0.3V to (V
DD
+ 0.3V)
Digital Output Voltage.............................. -0.3V to (V
DD
+ 0.3V)
V
REF+
, V
REF+
, V
IN
........................ (V
SS
- 0.3V) to (V
DD
+ 0.3V)
Continuous Power Dissipation (T
A
= +70°C)
PDIP (derate 11.11mW/°C above + 70°C). .................889mW
SO(W) (derate 10.00mW/°C above +70°C..................800mW
SSOP (derate 8.00mW/°C above +70°C)
...................640mW
Operating Temperature Ranges
MAX153C ...................................................................0 to +70°C
MAX153E
........................................................... -40°C to +85°C
Storage Temperature Range
............................ -65°C to +150°C
Lead Temperature (soldering, 10s)
................................. +300°C
Soldering Temperature (reflow)
.......................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Electrical Characteristics
(V
DD
= +5V ±5%, V
GND
= 0V; Unipolar Input Range: V
SS
= GND, V
REF+
= 5V, V
REF-
= GND; Bipolar Input Range: V
SS
= -5V ±5%,
V
REF+
= 2.5V, V
REF-
= -2.5V; 100% production tested, specifications are given for RD Mode (MODE = GND), T
A
= T
MIN
to T
MAX
,
unless otherwise noted.)
PARAMETER
ACCURACY
Resolution
Total Unadjusted Error
Differential Nonlinearity
Zero-Code Error
Full-Scale Error
DYNAMIC SPECIFICATIONS (Note 1)
Signal-to-Noise Plus Distortion
Noise
Total Harmonic Distortion
Peak Harmonic or Spurious
Noise
Conversion Time (WR-RD Mode)
(Note 2)
Conversion Time (RD Mode)
Full-Power Bandwidth
Input Slew Rate
ANALOG INPUT
Input Voltage Range
Input Leakage Current
Input Capacitance
REFERENCE INPUT
Reference Resistance
V
REF+
Input Voltage Range
V
REF-
Input Voltage Range
R
REF
1
V
REF-
V
SS
2
4
V
DD
V
REF+
kΩ
V
V
V
IN
I
IN
C
IN
-5V ≤ V
IN
≤ +5V
22
V
REF-
V
REF+
±3
V
µA
pF
t
CWR
t
CRD
SINAD
THD
f
SAMPLE
= 1MHz, f
IN
= 195.8kHz
f
SAMPLE
= 1MHz, f
IN
= 195.8kHz
f
SAMPLE
= 1MHz, f
IN
= 195.8kHz
T
A
= +25°C, t
RD
< t
INTL
, C
L
= 20pF
T
A
= +25°C
T
A
= T
MIN
to T
MAX
V
IN
= 5V
P-P
3.14
1
15
45
-50
-50
660
700
875
dB
dB
dB
ns
ns
MHz
V/µs
N
TUE
DNL
Unipolar range
No missing codes guaranteed
Bipolar input range
Bipolar input range
8
±1
±1
±1
±1
Bits
LSB
LSB
LSB
LSB
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
www.maximintegrated.com
Maxim Integrated
2
MAX153
1Msps, µP-Compatible,
8-Bit ADC with 1µA Power-Down
Electrical Characteristics (continued)
(V
DD
= +5V ±5%, V
GND
= 0V; Unipolar Input Range: V
SS
= GND, V
REF+
= 5V, V
REF-
= GND; Bipolar Input Range: V
SS
= -5V ±5%,
V
REF+
= 2.5V, V
REF-
= -2.5V; 100% production tested, specifications are given for RD Mode (MODE = GND), T
A
= T
MIN
to T
MAX
,
unless otherwise noted.)
PARAMETER
LOGIC INPUTS
Input High Voltage
Input Low Voltage
V
INH
V
INL
CS, WR, RD, PWRDN
MODE
CS, WR, RD, PWRDN
MODE
CS, RD, PWRDN
Input High Current
Input Low Current
Input Capacitance (Note 3)
LOGIC OUTPUTS
Output Low Voltage
Output High Voltage
Floating State Current
Floating Capacitance (Note 3)
POWER REQUIREMENTS
Positive Supply Voltage
Negative Supply Voltage
(Unipolar Operation)
Negative Supply Voltage
(Bipolar Operation)
V
DD
Supply Current
Power-Down VDD Current
V
SS
Supply Current
Power-Down V
SS
Current
Power-Supply Rejection
Note
Note
Note
Note
1:
2:
3:
4:
PSR
I
SS
V
DD
V
SS
V
SS
I
DD
±5% for specified accuracy
V
CS
= V
RD
= 0V,
V
PWRDN
= 5V
MAX153C
MAX153E
±5% for specified accuracy
5
GND
-5
8
8
1
25
12
±1/16
15
20
100
100
100
±1/4
V
V
V
mA
µA
µA
µA
LSB
V
OL
V
OH
I
LKG
C
OUT
I
SINK
= 1.6mA,
INT,
D0–D7
RDY, I
SINK
= 2.6mA
I
SOURCE
= 360µA,
INT,
D0–D7
D0–D7, RDY
D7–D0, RDY
5
4
±3
8
0.4
0.4
V
V
µA
pF
I
INH
I
INL
C
IN
WR
MODE
CS, WR, RD, PWRDN
CS, WR, RD, PWRDN, MODE
5
50
2.4
3.5
0.8
1.5
1
3
200
±1
8
µA
pF
µA
V
V
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V
CS
= V
RD
= 5V, V
PWRDN
= 0V (Note 4)
V
CS
= V
RD
= 0V, V
PWRDN
= 5V
V
CS
= V
RD
= 5V, V
PWRDN
= 0V
V
DD
= 4.75V to 5.25V, V
REF
+ = 4.75V
(max), unipolar mode
Bipolar input range, V
IN
= ±2.5V
P-P
. WR-RD mode.
See Figure 1 for load circuit. Parameter defined as the time required for the output to cross +0.8V or +2.4V.
Guaranteed by design.
Tested with
CS, RD, PWRDN at CMOS logic levels. Power-down current increases to several hundred) µA at TTL levels.
www.maximintegrated.com
Maxim Integrated
3
MAX153
1Msps, µP-Compatible,
8-Bit ADC with 1µA Power-Down
TIMING CHARACTERISTICS (Note 5)
(V
DD
= +5V ±5%, V
SS
= 0V for Unipolar Input Range, V
SS
= -5V ±5% for Bipolar Input Range, 100% production tested, T
A
= +25°C,
unless otherwise noted.)
PARAMETER
CS
TO
RD/WR Setup Time
CS
to
RD/WR Hold Time
CS
to
RDY Delay (Note 6)
SYMBOL
t
CSS
t
CSH
t
RDY
C
L
= 50pF
T
A
= T
MIN
to T
MAX
, C
L
= 50pF
C
L
= 20pF
Data-Access Time (RD Mode)
(Note 2)
t
ACC0
T
A
= T
MIN
to T
MAX
, C
L
= 20pF
C
L
= 100pF
T
A
= T
MIN
to T
MAX
, C
L
= 100pF
RD
to
INT Delay (RD Mode)
Data-Hold Time (Note 7)
Delay Time Between
Conversions (Acquisition Time)
Write Pulse Width
Delay Time Between WR
and
RD
Pulses
RD Pulse Width (WR-RD
Mode)
Determined by t
ACC1
Data-Access Time
(WR-RD Mode (Note 2)
t
RD
< t
INL
t
INTH
t
DH
t
P
t
WR
t
RD
t
READ1
C
L
= 50pF
T
A
= T
MIN
to T
MAX
, C
L
= 50pF
T
A
= T
MIN
to T
MAX
160
T
A
= T
MIN
to T
MAX
T
A
= T
MIN
to T
MAX
T
A
= T
MIN
to T
MAX
Figure 6
T
A
= T
MIN
to T
MAX
, Figure 6
C
L
= 20pF, Figure 6
t
ACC1
T
A
= T
MIN
to T
MAX
, C
L
= 20pF, Figure 6
C
L
= 100pF, Figure 6
T
A
= T
MIN
to T
MAX
, C
L
= 100pF, Figure 6
t
RI
t
INTL
t
READ2
T
A
= T
MIN
to T
MAX
C
L
= 50pF
T
A
= T
MIN
to T
MAX
, C
L
= 50pF
Figure 5
T
A
= T
MIN
to T
MAX
, Figure 5
C
L
= 20pF, Figure 5
t
ACC2
T
A
= T
MIN
to T
MAX
, C
L
= 20pF, Figure 5
C
L
= 100pF, Figure 5
T
A
= T
MIN
to T
MAX
, C
L
= 100pF, Figure 5
65
75
65
75
90
110
ns
380
185
0.250
0.280
250
350
160
205
160
205
185
235
150
185
500
610
ns
ns
ns
ns
10
10
50
CONDITIONS
MIN
0
0
70
85
t
CRD
+ 25
t
CRD
+ 30
t
CRD
+ 50
t
CRD
+ 65
80
85
60
70
ns
ns
ns
µs
ns
ns
ns
TYP
MAX
UNITS
ns
ns
ns
RD
to
INT
Delay
WR
to
INT
Delay
RD Pulse Width (WR-RD Mode)
Determinted by t
ACC2
t
RD
> t
INTL
Data-Access Time
(WR-RD Mode) (Note 2)
t
RD
> t
INTL
www.maximintegrated.com
Maxim Integrated
4
MAX153
1Msps, µP-Compatible,
8-Bit ADC with 1µA Power-Down
TIMING CHARACTERISTICS (Note 5) (continued)
(V
DD
= +5V ±5%, V
SS
= 0V for Unipolar Input Range, V
SS
= -5V ±5% for Bipolar Input Range, 100% production tested, T
A
= +25°C,
unless otherwise noted.)
PARAMETER
WR
to
INT
Delay
(Pipelined Mode)
SYMBOL
t
IHWR
C
L
= 50pF
T
A
= T
MIN
to T
MAX
, C
L
= 50pF
C
L
= 20pF
Data-Access Time After
INT (Note 2)
t
ID
T
A
= T
MIN
to T
MAX
, C
L
= 20pF
C
L
= 100pF
T
A
= T
MIN
to T
MAX
, C
L
= 100pF
CONDITIONS
MIN
TYP
MAX
80
100
30
35
45
60
ns
UNITS
ns
Note 5:
Input control signals are specified with t
r
= t
t
= 5ns, 10% to 90% of +5V and timed from a 1.6V voltage level.
Note 6:
R
L
= 5.1kΩ pullup resistor.
Note 7:
See Figure 2 for load circuit. Parameter defined as the time required for data lines to change 0.5V.
+5V
3kΩ
DN
3kΩ
DGND
A. HIGH-Z TO V
OH
B. HIGH-Z TO V
OL
C
L
DN
C
L
DGND
DN
3kΩ
DGND
A. V
OH
TO HIGH-Z
10pF
DN
+5V
3kΩ
10pF
DGND
B. V
OL
TO HIGH-Z
Figure 1. Load Circuits for Data-Access Time Test
Figure 2. Load Circuits for Data-Hold Time Test
www.maximintegrated.com
Maxim Integrated
5
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参数对比
与MAX15302ETL-T相近的元器件有:MAX15302ETL-、MAX15303ETL-T。描述及对比如下:
型号 MAX15302ETL-T MAX15302ETL- MAX15303ETL-T
描述 Isolated DC/DC Converters Auto-Comp digital PoL controller Isolated DC/DC Converters Auto-Comp digital PoL controller Isolated DC/DC Converters
产品种类
Product Category
Isolated DC/DC Converters Isolated DC/DC Converters Isolated DC/DC Converters
制造商
Manufacturer
Maxim(美信半导体) Maxim(美信半导体) Maxim(美信半导体)
RoHS Details Details -
系列
Packaging
Reel Tube -
工厂包装数量
Factory Pack Quantity
2500 60 -
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