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AD7694ARMZRL7

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
Data Sheet AD7694
SPECIFICATIONS
VDD = 2.7 V to 5.25 V; V
REF
= VDD; T
A
= –40°C to +85°C, unless otherwise noted.
Table 2.
A Grade B Grade
Parameter Conditions Min Typ Max Min Typ Max Unit
RESOLUTION 16 16 Bits
ANALOG INPUT
Voltage Range
IN+ − IN−
0
V
REF
0
V
REF
Absolute Input Voltage IN+ −0.1 VDD + 0.1 −0.1 VDD + 0.1 V
IN− −0.1 +0.1 −0.1 +0.1 V
Leakage Current at 25°C Acquisition phase 1 1 nA
Input Impedance See the Analog Input section
ACCURACY
No Missing Codes 15 16 Bits
Integral Linearity Error −6 +6 −4 +4 LSB
Transition Noise
REF = VDD = 5 V
0.5
0.5
Gain Error
1
, T
MIN
to T
MAX
±2 ±30 ±2 ±15 LSB
Gain Error Temperature Drift ±0.3 ±0.3 ppm/°C
Offset Error
1
, T
MIN
to T
MAX
±0.7 ±3.5 ±0.7 ±3.5 mV
Offset Temperature Drift ±0.3 ±0.3 ppm/°C
Power Supply Sensitivity VDD = 5 V ± 5% ±0.05 ±0.05 LSB
THROUGHPUT
Conversion Rate VDD = 4.75 V to 5.25 V 0 250 0 250 kSPS
VDD = 2.7 V to 4.75 V
0
150
0
150
AC ACCURACY
Signal-to-Noise f
IN
= 20 kHz, V
REF
= 5 V 90 88 92 dB
2
f
IN
= 20 kHz, V
REF
= 2.5 V
86
87
Spurious-Free Dynamic Range f
IN
= 20 kHz −100 −106 dB
Total Harmonic Distortion f
IN
= 20 kHz −100 −106 dB
Signal-to-(Noise + Distortion) f
IN
= 20 kHz, V
REF
= 5 V 89 88 92 dB
f
IN
= 20 kHz, V
REF
= 2.5 V 86 87 dB
1
See the Terminology section. These specifications include full temperature range variation, but do not include the error contribution from the external reference.
2
All specifications in dB refer to a full-scale input, FS. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
Rev. B | Page 3 of 16
AD7694 Data Sheet
VDD = 2.7 V to 5.25 V; V
REF
= VDD; T
A
= –40°C to +85°C, unless otherwise noted.
Table 3.
Parameter Conditions Min Typ Max Unit
REFERENCE
Voltage Range 1 VDD V
Load Current 250 kSPS, V
IN+
− V
IN−
= V
REF
/2 = 2.5 V 50 µA
SAMPLING DYNAMICS
−3 dB Input Bandwidth 9 MHz
DIGITAL INPUTS
Logic Levels
V
IL
VDD = 4.75 V 0.8 V
VDD = 2.7 V 0.45 V
V
IH
VDD = 5.25 V 3.15 V
VDD = 3.3 V 1.9 V
I
IL
−1 +1 µA
I
IH
−1 +1 µA
DIGITAL OUTPUTS
Data Format Serial, 16 bits straight binary
Pipeline Delay
Conversion results available immediately
after completed conversion
V
OL
I
SINK
= +500 µA
0.4
V
V
OH
I
SOURCE
= −500 µA VDD − 0.3 V
POWER SUPPLIES
VDD Specified performance 2.7 5.25 V
Operating Current
VDD VDD = 5 V, 100 kSPS throughput 0.8 1.2 mA
VDD = 2.7 V, 100 kSPS throughput 540 960 µA
Standby Current
1, 2
VDD = 5 V, 25°C
1 50 nA
TEMPERATURE RANGE
Specified Performance T
MIN
to T
MAX
−40 +85
°C
1
With all digital inputs forced to VDD or GND, as required.
2
During acquisition phase.
Rev. B | Page 4 of 16
Data Sheet AD7694
TIMING SPECIFICATIONS
VDD = 4.75 V to 5.25 V; T
A
= −40°C to +85°C, unless otherwise stated.
Table 4.
Parameter Symbol Min Typ Max Unit
Conversion Time: CNV Rising Edge to Data Available t
CONV
3.2 µs
Time Between Conversions t
CYC
4 µs
SCK Period t
SCK
50 ns
SCK Low Time t
SCKL
20 ns
SCK High Time t
SCKH
20 ns
SCK Falling Edge to Data Remains Valid t
HSDO
5 ns
SCK Falling Edge to Data Valid Delay t
DSDO
20 ns
CNV Low to SDO, D15 MSB Valid t
EN
60 ns
CNV High to SDO High Impedance t
DIS
60 ns
VDD = 2.7 V to 4.75 V; T
A
= −40°C to +85°C, unless otherwise stated.
Table 5.
Parameter Symbol Min Typ Max Unit
Conversion Time: CNV Rising Edge to Data Available t
CONV
4.66 µs
Time Between Conversions t
CYC
6.66 µs
SCK Period
t
SCK
125
ns
SCK Low Time t
SCKL
50 ns
SCK High Time t
SCKH
50 ns
SCK Falling Edge to Data Remains Valid t
HSDO
5 ns
SCK Falling Edge to Data Valid Delay t
DSDO
50 ns
CNV Low to SDO, D15 MSB Valid
t
EN
120
ns
CNV High to SDO High Impedance t
DIS
120 ns
Rev. B | Page 5 of 16
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

AD7694ARMZRL7

Mfr. #:
Buy AD7694ARMZRL7
Manufacturer:
Analog Devices Inc.
Description:
Analog to Digital Converters - ADC 250 kSPS 16-BIT
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New from this manufacturer.
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