EVAL-AD7858CB Analog Devices Inc, EVAL-AD7858CB Datasheet - Page 2

• Manufacturer Part Number: EVAL-AD7858CB
• Description: BOARD EVAL FOR AD7858
• Manufacturer: Analog Devices Inc

Specifications of EVAL-AD7858CB

• Rohs Status: RoHS non-compliant

AD7858/AD7858L–SPECIFICATIONS
Reference unless otherwise noted, f
200 kHz (AD7858), 100 kHz (AD7858L); SLEEP = Logic High; T
P arameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
REFERENCE INPUT/OUTPUT
LOGIC INPUTS
LOGIC OUTPUTS
CONVERSION RATE
Signal to Noise + Distortion Ratio
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise
Intermodulation Distortion (IMD)
Second Order Terms
Third Order Terms
Channel-to-Channel Isolation
Resolution
Integral Nonlinearity
Differential Nonlinearity
Total Unadjusted Error
Unipolar Offset Error
Unipolar Offset Error Match
Positive Full-Scale Error
Positive Full-Scale Error Match
Input Voltage Ranges
Leakage Current
Input Capacitance
REF
Input Impedance
REF
REF
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
Output High Voltage, V
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output Capacitance
Output Coding
Conversion Time
Track/Hold Acquisition Time
(SNR)
IN
OUT
OUT
Input Voltage Range
Output Voltage
Tempco
IN
IN
INL
INH
4
OL
OH
3
4
CLKIN
A Version
70
12
± 1
± 1
(± 1)
± 1
± 1
± 5
± 2.5
(± 3)
(± 1.5)
1.5
± 4
± 1.5
1
0 to V
± 1
2.4
2.1
0.8
0.6
± 10
10
4
2.4
0.4
± 10
10
4.6 (18)
0.4 (1)
–78
–78
–78
–78
–90
20
2.3/V
150
2.3/2.7
20
Straight (Natural) Binary
= 4 MHz (1.8 MHz B Grade (0 C to +70 C), 1 MHz A and B Grades (–40 C to +85 C) for L Version); f
DD
REF
1
B Version
71
–78
–78
–80
–80
–90
12
± 1
± 0.5
(± 1)
± 1
± 1
± 5
± 2.5
(± 3)
(± 1.5)
1.5
± 4
± 1.5
1
0 to V
± 1
20
2.3/V
150
2.3/2.7
20
2.4
2.1
0.8
0.6
± 10
10
4
2.4
0.4
± 10
10
4.6
(10)
0.4 (1)
DD
REF
A
= T
1
MIN
to T
Units
dB min
dB max
dB max
dB typ
dB typ
dB typ
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB typ
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
Volts
µA max
pF typ
V min/max
kΩ typ
V min/max
ppm/°C typ
V min
V min
V max
V max
µA max
pF max
V min
V min
V max
µA max
pF max
µs max
µs max
µs min
MAX
, unless otherwise noted.) Specifications in ( ) apply to the AD7858L.
1, 2
Test Conditions/Comments
Typically SNR is 72 dB
V
V
V
fa = 9.983 kHz, fb = 10.05 kHz, f
fa = 9.983 kHz, fb = 10.05 kHz, f
V
Any Channel
2.5 V External Reference V
5 V External Reference V
(L Version, 5 V External Reference, V
(L Version)
Guaranteed No Missed Codes to 12 Bits. 2.5 V External
Reference V
Typically ± 2 LSBs
5 V External Reference, V
(L Version)
(L Version, 5 V External Reference, V
5 V External Reference, V
i.e., AIN(+) – AIN(–) = 0 to V
up but AIN(+) cannot go below AIN(–)
Functional from 1.2 V
AV
AV
AV
AV
Typically 10 nA, V
I
AV
AV
I
(L Versions Only, –40°C to +85°C, 1 MHz CLKIN)
(L Versions Only, 0°C to +70°C, 1.8 MHz CLKIN)
(L Versions Only)
SOURCE
SINK
IN
IN
IN
IN
(AV
DD
DD
DD
DD
DD
DD
= 10 kHz Sine Wave, f
= 25 kHz
= 10 kHz Sine Wave, f
= 10 kHz Sine Wave, f
DD
= 0.8 mA
= DV
= DV
= DV
= DV
= DV
= DV
= DV
= 200 µA
DD
DD
DD
DD
DD
DD
DD
DD
= 4.5 V to 5.5 V
= 3.0 V to 3.6 V
= 4.5 V to 5.5 V
= 3.0 V to 3.6 V
= 4.5 V to 5.5 V
= 3.0 V to 3.6 V
= 3 V, 5 V External Reference, V
= +3.0 V to +5.5 V, REF
IN
= 0 V or V
DD
DD
DD
DD
SAMPLE
SAMPLE
SAMPLE
= 5 V
= 5 V
= 3 V, V
= 5 V
REF
DD
SAMPLE
SAMPLE
= 200 kHz (100 kHz)
, AIN(–) can be biased
= 200 kHz (100 kHz)
= 200 kHz (100 kHz)
DD
DD
DD
= 200 kHz (100 kHz)
= 200 kHz (100 kHz)
= 5 V)
IN
= 5 V (B Grade Only)
= 5 V)
/REF
OUT
DD
= 2.5 V External
= 5 V
SAMPLE
=