MAX1415EUE Maxim Integrated, MAX1415EUE Datasheet
MAX1415EUE
Specifications of MAX1415EUE
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MAX1415EUE Summary of contents
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... SPI™-/QSPI™-/MICROWIRE™-Compatible 3-Wire Serial Interface ♦ Pin Compatible with MX7705/AD7705 ♦ 16-Pin PDIP, SO, and TSSOP Packages PART MAX1415ENE* MAX1415EWE* -45°C to +85°C 16 Wide SO MAX1415EUE MAX1415AENE* -45°C to +85°C 16 PDIP MAX1415AEWE* -45°C to +85°C 16 Wide SO MAX1415AEUE* -45°C to +85°C 16 TSSOP MAX1415CNE* MAX1415CWE* MAX1415CUE* Applications *Future product— ...
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Low-Power, 2-Channel, Sigma-Delta ADCs ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V DD All Other Pins to GND.................................-0. Maximum Current Input into Any Pin ..................................50mA Continuous Power Dissipation (T = +70°C) A 16-Pin PDIP (derate 10.5mW/°C ...
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ELECTRICAL CHARACTERISTICS—MAX1415 (continued 3V, GND = 1.225V REF+ GND = 0.1µ unless otherwise noted.) A MIN MAX PARAMETER SYMBOL AIN Input Capacitance AIN Input Sampling Rate Input ...
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Low-Power, 2-Channel, Sigma-Delta ADCs ELECTRICAL CHARACTERISTICS—MAX1415 (continued 3V, GND = 1.225V REF+ GND = 0.1µ unless otherwise noted.) A MIN MAX PARAMETER SYMBOL Output-Voltage High Tri-State ...
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ELECTRICAL CHARACTERISTICS—MAX1415 (continued 3V, GND = 1.225V REF+ GND = 0.1µ unless otherwise noted.) A MIN MAX PARAMETER SYMBOL Typical Conversion-Time ∆t Variation TIMING CHARACTERISTICS—MAX1415 (Note 16) ...
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Low-Power, 2-Channel, Sigma-Delta ADCs ELECTRICAL CHARACTERISTICS—MAX1416 (continued 5V, GND = 2.5V REF+ REF- 0.1µ unless otherwise noted.) A MIN MAX PARAMETER SYMBOL Positive Full-Scale Error Full-Scale ...
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ELECTRICAL CHARACTERISTICS—MAX1416 (continued 5V, GND = 2.5V REF+ REF- 0.1µ unless otherwise noted.) A MIN MAX PARAMETER SYMBOL EXTERNAL REFERENCE (REF+, REF-) REF Differential Input Range REF ...
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Low-Power, 2-Channel, Sigma-Delta ADCs ELECTRICAL CHARACTERISTICS—MAX1416 (continued 5V, GND = 2.5V REF+ REF- 0.1µ unless otherwise noted.) A MIN MAX PARAMETER SYMBOL Power-Supply Current (Note 12) ...
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TIMING CHARACTERISTICS—MAX1416 (continued) (Note 16) (Figures 8, 9) PARAMETER SYMBOL DIN to SCLK Setup Time DIN to SCLK Hold Time Note 1: These errors are in the order of the conversion noise shown in Tables 1 and 3. This applies ...
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Low-Power, 2-Channel, Sigma-Delta ADCs Table 1. MAX1415—Output RMS Noise vs. Gain and Output Data Rate (3V) FILTER FIRST NOTCH -3dB FREQUENCY AND OUTPUT DATA (Hz) RATE (Hz) BUFFERED (f = 1MHz) CLKIN 20 5.24 25 6.55 100 26.2 200 ...
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Table 2. MAX1415—Peak-to-Peak Resolution vs. Gain and Output Data Rate (3V) FILTER FIRST NOTCH AND OUTPUT DATA -3dB FREQUENCY RATE (Hz) (Hz) BUFFERED (f = 1MHz) CLKIN 20 5.24 25 6.55 100 26.2 200 52.4 UNBUFFERED (f = 1MHz) CLKIN ...
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Low-Power, 2-Channel, Sigma-Delta ADCs Table 3. MAX1416—Output RMS Noise vs. Gain and Output Data Rate (5V) FILTER FIRST NOTCH -3dB FREQUENCY AND OUTPUT DATA (Hz) RATE (Hz) BUFFERED (f = 1MHz) CLKIN 20 5.24 25 6.55 100 26.2 200 ...
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Table 4. MAX1416—Peak-to-Peak Resolution vs. Gain and Output Data Rate (5V) FILTER FIRST NOTCH -3dB FREQUENCY AND OUTPUT DATA (Hz) RATE (Hz) BUFFERED (f = 1MHz) CLKIN 20 5.24 25 6.55 100 26.2 200 52.4 UNBUFFERED (f = 1MHz) CLKIN ...
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Low-Power, 2-Channel, Sigma-Delta ADCs (MAX1415 5V 2.5V REF+ REF GND +25°C, unless otherwise noted.) REF- A TYPICAL OUTPUT NOISE (MAX1416, BUFFERED MODE) 32776 V = 5V, GAIN = 128 ...
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2.5V REF+ REF GND +25°C, unless otherwise noted.) REF- A SUPPLY CURRENT vs. SUPPLY VOLTAGE (MAX1415) 0.6 A 0 0.3 E 0.2 2.70 2.85 ...
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Low-Power, 2-Channel, Sigma-Delta ADCs (MAX1415 5V 2.5V REF+ REF GND +25°C, unless otherwise noted.) REF- A SUPPLY CURRENT vs. f (MAX1415) 0.6 A 0.5 0 0.3 E ...
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2.5V REF+ REF GND +25°C, unless otherwise noted.) REF- A POWER-DOWN SUPPLY CURRENT vs. SUPPLY VOLTAGE (MAX1415) 100 2.70 2.85 3.00 3.15 3.30 ...
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Low-Power, 2-Channel, Sigma-Delta ADCs PIN NAME Serial Clock Input. Apply an external serial clock to transfer data to and from the device at data rates 1 SCLK up to 5MHz. Clock Input. Connect a crystal/resonator between CLKIN and CLKOUT, ...
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AIN1+ AIN1- MUX AIN2+ AIN2- BUFFERED MODE AND CLOSED REF+ REF- Detailed Description The MAX1415/MAX1416 low-power, 2-channel serial output ADCs use a sigma-delta modulator with a digital filter to achieve 16-bit resolution with no missing codes. Each device includes a ...
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Low-Power, 2-Channel, Sigma-Delta ADCs To minimize gain errors in unbuffered mode, select a source impedance less than the maximum values shown in Figures 2 and 3. These are the maximum external resistance/capacitance combinations allowed before gain errors greater than ...
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Table 5. Input Sampling Capacitor vs. Gain INPUT SAMPLING CAPACITOR (C GAIN (pF) 1 3. 8–128 30 Increasing the gain increases the resolution of the ADC (LSB size decreases), but reduces the differential input voltage range. ...
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Low-Power, 2-Channel, Sigma-Delta ADCs The MAX1415/MAX1416 perform analog-to-digital con- versions using a single-bit, 2nd-order, switched-capac- itor, sigma-delta modulator. The sigma-delta modulator converts the input signal into a digital pulse train whose average duty cycle represents the digitized signal infor- ...
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Internal Oscillator Mode In internal oscillator mode (INTCLK = 1), set the CLK bit in the clock register (Table 12 operate at a clock frequency of 1MHz, or set CLK to 1 for a frequency of 2.4576MHz. ...
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Low-Power, 2-Channel, Sigma-Delta ADCs DIN RS2 RS1 RS0 COMMUNICATIONS REGISTER SETUP REGISTER (8 BITS) CLOCK REGISTER (8 BITS) DATA REGISTER (16 BITS) DOUT TEST REGISTER (8 BITS)* OFFSET REGISTER (24 BITS) GAIN REGISTER (24 BITS) *THE TEST REGISTER IS ...
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Table 6. Communications Register (MSB) COMMUNICATION FUNCTION START/DATA READY Name 0/DRDY Defaults 0 Table 7. Register Selection RS2 RS1 RS0 ...
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Low-Power, 2-Channel, Sigma-Delta ADCs Table 10. Operating-Mode Selection MD1 MD0 0 0 Normal Mode. Use this mode to perform normal conversions on the selected analog input channel. Self-Calibration Mode. This mode performs self-calibration on the selected channel determined from ...
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Set CLK = 0 if the external clock frequency is 1MHz with CLKDIV = 0 or 2MHz with CLKDIV = 1. FS1, FS0: (Default = 0, 1) Filter-Selection Bits. These bits, in addition to the CLK bit, determine the output ...
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Low-Power, 2-Channel, Sigma-Delta ADCs Write to the calibration registers in normal mode only. After writing to the calibration registers, the devices implement the new offset and gain-register calibration coefficients at the beginning of a new acquisition. To ensure the ...
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NOT READY) 0 (DATA READY) Figure 11. Sample Flow Diagram for Data Conversion ______________________________________________________________________________________ 16-Bit, Low-Power, 2-Channel, POWER-ON RESET INITIALIZE µC/µP SERIAL PORT WRITE TO THE COMMUNICATIONS REGISTER. SELECT CHANNEL 1 AND SET NEXT OPERATION AS A WRITE ...
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Low-Power, 2-Channel, Sigma-Delta ADCs When FSYNC = 1, the digital filter and analog modula- tor are in a reset state, inhibiting normal operation. Set FSYNC = 0 to begin calibration or conversion. When configured for normal operation (MD1 and ...
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Next, an internally generated voltage (V applied across AIN+ and AIN-. This condition results in the full-scale calibration. Start self-calibration by setting MD1 = 0, MD0 = 1, and FSYNC = 0 in the setup register. Self-calibration com- pletes in ...
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Low-Power, 2-Channel, Sigma-Delta ADCs Applications Information Applications Examples Strain-Gauge Measurement Connect the differential inputs of the MAX1415/ MAX1416 to the bridge network of the strain gauge. In Figure 12, the analog positive supply voltage powers the bridge network and ...
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Unlike gain error, unipolar offset error and bipolar zero error are included in the positive full-scale error measurement. Bipolar Negative Full-Scale Error For the ideal transfer curve, the code ...
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Low-Power, 2-Channel, Sigma-Delta ADCs (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 34 ______________________________________________________________________________________ Package Information ...
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For the latest package outline information www.maxim-ic.com/packages TOP VIEW FRONT VIEW ______________________________________________________________________________________ 16-Bit, Low-Power, 2-Channel, Package Information (continued) ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 36 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2005 Maxim Integrated Products ...