ADS-117
12-Bit, 2MHz, Low-Power Sampling A/D Converters
ABSOLUTE MAXIMUM RATINGS
PARAMETERS
LIMITS
+15V Supply
(Pin 22)
0 to +16
–15V Supply
(Pin 24)
0 to –16
+5V Supply
(Pin 13)
0 to +6.0
Digital Inputs
(Pin 16, 17, 18)
–0.3 to +V
DD
+0.3
Analog Input (Pin 19)
–9 to +15
Lead Temp. (10 seconds)
+300
UNITS
Volts
Volts
Volts
Volts
Volts
°C
FUNCTIONAL SPECIFICATIONS
(T
A
= +25°C, ±V
CC
= +15V, +V
DD
=+5V, 2MHz sampling rate, and a minimum 3 minute
warmup unless otherwise specified.)
ANALOG INPUTS
Input Voltage Range
➀
Bipolar
Unipolar
Input Impedence
Input Capacitance
Logic Levels
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
Resolution
No Missing Codes
(12 Bits; f
in
= 1MHz)
Integral Non-Linearity
0 to +70°C
–55 to +125°C
Differential Non-Linearity
0 to +70°C
–55 to +125°C / –45 to +85°C
Full Scale Absolute Accuracy
(see Tech Note 1)
0 to +70°C
–55 to +125°C / –45 to +85°C
Unipolar/Bipolar Zero Error
0 to +70°C (see Tech Note 1)
–55 to +125°C / –45 to +85°C
Bipolar Offset Error
0 to +70°C (see Tech Note 1)
–55 to +125°C / –45 to +85°C
Gain Error
(see Tech Note 1)
0 to +70°C
–55 to +125°C / –45 to +85°C
Internal Reference Voltage
0 to +70°C
–55 to +125°C / –45 to +85°C
External Current
MIN.
—
—
4.5
—
TYP.
±5
0 to +10
5
6
MAX.
—
—
—
15
UNITS
Volts
Volts
kΩ
pF
DIGITAL INPUTS
+2.0
—
—
—
—
—
—
—
—
+0.8
+5
–600
Volts
Volts
μA
μA
PERFORMANCE
12 Bits
0 to +70°C
—
—
—
—
±1/2
±1
±1/2
±1
±3
±4
±0.95
+1.5
LSB
LSB
LSB
LSB
DYNAMIC PERF. (cont)
Input Bandwith
(–3dB)
Small Signal (–20dB input)
Large Signal (–0.5dB input)
Feedthrough
(1MHz)
SNR
(wo/distortion, –0.5dB)
dc to 100kHz
0 to +70°C
–55 to +125°C / –45 to +85°C
100kHz to 500kHz
0 to +70°C
–55 to +125°C / –45 to +85°C
500kHz to 1MHz
0 to +70°C
–55 to +125°C / –45 to +85°C
SNR
(and distort., –0.5dB)
➂
dc to 100kHz
0 to +70°C
–55 to +125°C / –45 to +85°C
100kHz to 500kHz
0 to +70°C
–55 to +125°C / –45 to +85°C
500kHz to 1MHz
0 to +70°C
–55 to +125°C / –45 to +85°C
Two-tone Intermodulation Distortion
(f
in
= 970kHz, 990kHz,
f
s
= 2Mhz, –0.5dB)
Slew Rate
Effect. Aperture Delay Time
Overvoltage Recovery Time;
20%
S/H Acq. Time,
(to ±0.01%)
0 to +70°C
–55 to +125°C / –45 to +85°C
Conversion Rate
Output Coding
Pin 18 High
Pin 18 Low
Logic Level
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
Power Supply Ranges
➃
+15V Supply
–15V Supply
+5V Supply
Power Supply Current
+15V Supply
–15V Supply
+5V Supply
Power Dissipation
Power Supply Rejection
MIN.
8
7
–72
TYP.
10
9
–74
MAX.
—
—
—
UNITS
MHz
MHz
dB
—
—
65
65
—
—
72
72
70
70
70
70
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
—
—
64
62
—
—
70
69
70
69
69
69
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
—
—
—
—
—
—
2
–68
±210
—
—
155
160
—
—
—
16
500
165
170
—
dB
V/μs
ns
ns
ns
ns
MHz
—
—
—
—
—
—
—
—
+9.97
+9.95
—
±0.13
±0.25
±0.07
±0.22
±0.1
±0.53
±0.1
±0.53
+10.0
—
—
±0.44
±0.73
±0.38
±0.73
±0.38
±0.73
±0.38
±0.73
+10.03
+10.05
1.5
%FSR
%FSR
%FSR
%FSR
%FSR
%FSR
%
%
Volts
Volts
mA
OUTPUTS
Staight binary/Offset binary
Complementary binary
Complementary offset binary
+2.4
—
—
—
—
—
—
—
—
+0.4
–160
+6.4
Volts
Volts
μA
mA
POWER REQUIREMENTS
+14.25
–14.25
+4.75
—
—
—
—
—
+15.0
–15.0
+5.0
+48
–35
+75
1.6
—
+15.75
–15.75
+5.25
+58
–45
+85
1.9
±0.07
Volts
Volts
Volts
mA
mA
mA
Watts
%FSR%V
DYNAMIC PERFORMANCE
Spurious Free Dynamic Range
(–0.5dB)
➁
dc to 100kHz
—
–81
100kHz to 500kHz
—
–75
500kHz to 1MHz
—
–70
Total Harm. Distort.
(–0.5dB)
dc to 100kHz
—
–78
100kHz to 500kHz
—
–73
500kHz to 1MHz
—
–71
➀
See Table 1 also
➁
Same specifications for in-band harmonics.
—
–70
—
—
–68
—
dB
dB
dB
dB
dB
dB
➂
Effective bits is equal to:
(SNR + Distortion) – 1.76 + 20 log
6.02
➃
For ±12V, +5V operation, contact Murata Power Solutions.
Full Scale Amplitude
Actual Input Amplitude
www.murata-ps.com
Technical enquiries
email: sales@murata-ps.com, tel:
+1 508 339 3000
MDA_ADS-117.B01
Page 2 of 6
MURATA-PS [ MURATA POWER SOLUTIONS INC. ]
