MAX1192ETI+ Maxim Integrated Products, MAX1192ETI+ Datasheet - Page 26

• Manufacturer Part Number: MAX1192ETI+
• Description: IC ADC 8BIT 22MSPS DUAL 28-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1192ETI+

• Number Of Bits: 8
• Sampling Rate (per Second): 22M
• Data Interface: Parallel
• Number Of Converters: 2
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN Exposed Pad
• Number Of Adc Inputs: 2
• Conversion Rate: 22 MSPs
• Resolution: 8 bit
• Input Type: Differential
• Interface Type: Parallel
• Voltage Reference: Internal 2.048 V or External
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Power Dissipation: 1667 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

THD is typically the ratio of the RMS sum of the first five
harmonics of the input signal to the fundamental itself.
This is expressed as:
where V
the amplitudes of the 2nd- through 6th-order harmonics.
HD3 is defined as the ratio of the RMS value of the third
harmonic component to the fundamental input signal.
SFDR is the ratio expressed in decibels of the RMS
amplitude of the fundamental (maximum signal compo-
nent) to the RMS value of the next largest spurious
component, excluding DC offset.
IMD is the total power of the intermodulation products
relative to the total input power when two tones, f1 and
f2, are present at the inputs. The intermodulation prod-
ucts are (f1 ±f2), (2 x f1), (2 x f2), (2 x f1 ±f2), (2 x f2
±f1). The individual input tone levels are at -7dB FS.
Ultra-Low-Power, 22Msps, Dual 8-Bit ADC
PROCESS: CMOS
26
THD
______________________________________________________________________________________
Spurious-Free Dynamic Range (SFDR)
=
1
20
is the fundamental amplitude, and V
×
Intermodulation Distortion (IMD)
Total Harmonic Distortion (THD)
Third Harmonic Distortion (HD3)
log
⎡
⎢
⎢
⎢
⎣
V
2
2
+
Chip Information
V
3
2
+
V
V
1
4
2
+
V
5
2
2
+
–V
V
6
6
2
are
⎤
⎥
⎥
⎥
⎦
IM3 is the power of the worst third-order intermodula-
tion product relative to the input power of either input
tone when two tones, f1 and f2, are present at the
inputs. The third-order intermodulation products are (2
x f1 ±f2), (2 x f2 ±f1). The individual input tone levels
are at -7dB FS.
Power-supply rejection is defined as the shift in offset
and gain error when the power supplies are moved ±5%.
A small -20dB FS analog input signal is applied to an
ADC in such a way that the signal’s slew rate will not
limit the ADC’s performance. The input frequency is
then swept up to the point where the amplitude of the
digitized conversion result has decreased by -3dB.
Note that the track/hold (T/H) performance is usually
the limiting factor for the small-signal input bandwidth.
A large -0.5dB FS analog input signal is applied to an
ADC, and the input frequency is swept up to the point
where the amplitude of the digitized conversion result
has decreased by -3dB. This point is defined as full-
power input bandwidth frequency.
For the latest package outline information and land patterns, go
to www.maxim-ic.com/packages.
PACKAGE TYPE
10 TQFN-EP
Third-Order Intermodulation (IM3)
PACKAGE CODE
Package Information
T2855-3
Power-Supply Rejection
Small-Signal Bandwidth
Full-Power Bandwidth
DOCUMENT NO.
21-0140