MAX1241BCPA+，MAXIM全系产品销售

MAX1241BCPA+，MAXIM全系产品销售属性

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MAX1241BCPA+，MAXIM全系产品销售描述

Instrumentation
________________________________Features
♦ Single-Supply Operation:
+2.7V to +3.6V (MAX1240)
+2.7V to +5.25V (MAX1241)
♦ 12-Bit Resolution
♦ Internal 2.5V Reference (MAX1240)
♦ Small Footprint: 8-Pin PDIP/SO Packages
♦ Low Power: 3.7μW (73ksps, MAX1240)
3mW (73ksps, MAX1241)
66μW (1ksps, MAX1241)
5μW (power-down mode)
♦ Internal Track/Hold
♦ SPI/QSPI/MICROWIRE 3-Wire Serial Interface
♦ Internal Clock
MAX1240/MAX1241
+2.7V, Low-Power,
12-Bit Serial ADCs in 8-Pin SO
________________________________________________________________ Maxim Integrated Products 1
19-1155; Rev 5; 8/10
SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp.
Ordering Information continued at end of data sheet.
TOP VIEW
1
2
3
4
8
7
6
5
SCLK
CS
DOUT
REF GND
SHDN
AIN
VDD
PDIP/SO
MAX1240
MAX1241
Pin Configuration
Ordering Information
EVALUATION KIT
AVAILABLE
Functional Diagram
7
AIN T/H
DOUT 6
1
OUTPUT
SHIFT
REGISTER
CONTROL
LOGIC
INT
CLOCK
12-BIT
SAR
8
2
3
5
REF 4
SHDN
2.5V REFERENCE
(MAX1240 ONLY)
GND
SCLK
CS
MAX1240
MAX1241
VDD
*Dice are specified at TA = +25°C, DC parameters only.
**Future product—contact factory for availability.
/V denotes an automotive qualified part.
+Denotes a lead(Pb)-free/RoHS-compliant package.
PART* TEMP RANGE PIN -
PA C K A G E
INL
(LSB)
MAX1240ACPA+ 0°C to +70°C 8 PDIP ±1/2
MAX1240BCPA+ 0°C to +70°C 8 PDIP ±1
MAX1240CCPA+ 0°C to +70°C 8 PDIP ±1
MAX1240ACSA+ 0°C to +70°C 8 SO ±1/2
MAX1240BCSA+ 0°C to +70°C 8 SO ±1
MAX1240CCSA+ 0°C to +70°C 8 SO ±1
MAX1240CC/D 0°C to +70°C Dice* ±1
MAX1240AESA/V+** -40°C to +85°C 8 SO ±1/2
MAX1240BESA/V+ -40°C to +85°C 8 SO ±1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
MAX1240/MAX1241
+2.7V, Low-Power,
12-Bit Serial ADCs in 8-Pin SO
2 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS
(VDD = +2.7V to +3.6V (MAX1240); VDD = +2.7V to +5.25V (MAX1241); 73ksps, fSCLK = 2.1MHz (50% duty cycle); MAX1240—4.7μF
capacitor at REF pin, MAX1241—external reference; VREF = 2.500V applied to REF pin; TA = TMIN to TMAX; unless otherwise noted.)
VDD to GND .............................................................-0.3V to +6V
AIN to GND................................................-0.3V to (VDD + 0.3V)
REF to GND ...............................................-0.3V to (VDD + 0.3V)
Digital Inputs to GND...............................................-0.3V to +6V
DOUT to GND............................................-0.3V to (VDD + 0.3V)
DOUT Current..................................................................±25mA
Continuous Power Dissipation (TA = +70°C)
Plastic DIP (derate 9.09mW/°C above +70°C) ...........727mW
SO (derate 5.88mW/°C above +70°C)........................471mW
CERDIP (derate 8.00mW/°C above +70°C)................640mW
Operating Temperature Ranges
MAX1240_C_A/MAX1241_C_A .........................0°C to +70°C
MAX1240_E_ A/MAX1241_E_ A .....................-40°C to +85°C
MAX1240_MJA/MAX1241_MJA ...................-55°C to +125°C
Storage Temperature Range............................-60°C to +150°C
Lead Temperature (soldering, 10s)................................+300°C
Soldering Temperature (reflow)
PDIP, SO.....................................................................+260°C
CDIP ...........................................................................+250°C
ABSOLUTE MAXIMUM RATINGS
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.
MAX124_C 71.5
Input Voltage Range 0 VREF V
Input Capacitance
Aperture Jitter <50 ps
16 pF
MAX124_A
MAX124_B/C
Aperture Delay tAPR Figure 8 30 ns
Track/Hold Acquisition Time tACQ 1.5 μs
Throughput Rate fSCLK = 2.1MHz 73 ksps
Conversion Time
PARAMETER SYMBOL MIN TYP MAX UNITS
±0.5 ±3.0
Offset Error LSB
Differential Nonlinearity DNL ±1 LSB
±1.0
Gain Temperature Coefficient
±0.5 ±4.0
Gain Error (Note 3) ±0.5 ±4.0 LSB
Resolution 12 Bits
Relative Accuracy (Note 2) INL
±0.5
LSB
tCONV 5.5 7.5 μs
Small-Signal Bandwidth
Signal-to-Noise Plus
Distortion Ratio SINAD
70
dB
2.25 MHz
Full-Power Bandwidth
Total Harmonic Distortion THD
-80
dB
1.0
-3dB rolloff
MHz
CONDITIONS
Spurious-Free Dynamic Range
ppm/°C
No missing codes over temperature
MAX124_B/C
±0.25
SFDR
MAX124_A/B
80
Up to the 5th harmonic
dB MAX124_A/B
MAX124_A
MAX124_A/B
MAX124_C -88
MAX124_C 88
ANALOG INPUT
CONVERSION RATE
DYNAMIC SPECIFICATIONS (10kHz sine-wave input, 0V to 2.500Vp-p, 73ksps, fSCLK = 2.1MHz)
DC ACCURACY (Note 1)
ppm/°C
MAX1240/MAX1241
+2.7V, Low-Power,
12-Bit Serial ADCs in 8-Pin SO
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +3.6V (MAX1240); VDD = +2.7V to +5.25V (MAX1241); 73ksps, fSCLK = 2.1MHz (50% duty cycle); MAX1240—4.7μF
capacitor at REF pin, MAX1241—external reference; VREF = 2.500V applied to REF pin; TA = TMIN to TMAX; unless otherwise noted.)
VIN = 0V or VDD μA
TA = +25°C
100 150 μA
SCLK, CS Input Leakage IIN ±0.01 ±1
0.2 V
Input Current
CONDITIONS
VSHDN = 0V ±0.01 10 μA
SCLK, CS Input Hysteresis VHYST
VSHDN = 0V or VDD μA
REF Input Current in Shutdown
18 25 kΩ
SHDN Input Current ±4.0
Input Resistance
SHDN Input Low Voltage VSL 0.4 V
V
(Note 5)
SHDN Input High Voltage VSH VDD - 0.4
CIN 15 pF
REF Output Voltage V
SCLK, CS Input Capacitance
SHDN = unconnected nA
SHDN = unconnected
±100 SHDN Max Allowed Leakage,
Mid Input
SHDN Voltage, Unconnected VFLT VDD/2 V
SHDN Input Mid Voltage VSM 1.1 VDD - 1.1 V
ISINK = 5mA
PARAMETER SYMBOL MIN TYP MAX UNITS
V
0.4
Output Voltage Low VOL
Three-State Output Capacitance COUT CS = VDD (Note 5) 15 pF
CS = VDD μA
ISOURCE = 0.5mA
Three-State Leakage Current IL ±0.01 ±1

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