AD7853 Analog Devices, AD7853 Datasheet - Page 2

• Manufacturer Part Number: AD7853
• Description: 3 V to 5 V Single Supply, 200 kSPS, 12-Bit, Serial Sampling ADC
• Manufacturer: Analog Devices

Specifications of AD7853

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 200kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: (Vref) p-p,Uni (Vref)
• Adc Architecture: SAR
• Pkg Type: DIP,SOIC

AD7853/AD7853L–SPECIFICATIONS
External Reference, f
(AD7853) 100 kHz (AD7853L); SLEEP = Logic High; T
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
REFERENCE INPUT/OUTPUT
LOGIC INPUTS
Signal to Noise + Distortion Ratio
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise
Intermodulation Distortion (IMD)
Second Order Terms
Third Order Terms
Resolution
Integral Nonlinearity
Differential Nonlinearity
Total Unadjusted Error
Unipolar Offset Error
Unipolar Offset Error
Positive Full-Scale Error
Positive Full-Scale Error
Negative Full-Scale Error
Negative Full-Scale Error
Bipolar Zero Error
Bipolar Zero Error
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
(SNR)
IN
OUT
OUT
Input Voltage Range
Output Voltage
Tempco
IN
CLKIN
IN
INL
INH
4
= 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
3
A Version
70
–78
–78
–78
–78
12
( 1)
( 2.5)
( 4)
( 4)
( 2.5)
0 to V
20
2.3/V
150
2.3/2.7
20
2.4
2.1
0.8
0.6
10
1
1
1
1
1
2.5
2.5
2
V
1
10
REF
DD
REF
/2
1
A
= T
B Version
71
–78
–78
–80
–80
12
( 1)
( 2.5)
( 4)
( 4)
( 2.5)
0 to V
20
2.3/V
2.3/2.7
20
2.4
2.1
0.8
0.6
10
150
MIN
1
0.5
1
1
1
2.5
2.5
2
V
1
10
REF
to T
DD
REF
/2
MAX
1
, unless otherwise noted.) Specifications in () apply to the AD7853L.
Units
dB min
dB max
dB max
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
Volts
pF typ
V min/max
k typ
V min/max
ppm/ C typ
V min
V min
V max
V max
pF max
–2–
A max
A max
1, 2
(AV
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
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
2.5 V External Reference V
(L Versions, 2.5 V External Reference V
Reference V
2.5 V External Reference V
(L Versions, 2.5 V External Reference V
Reference V
2.5 V External Reference V
(L Versions, 2.5 V External Reference V
Reference V
2.5 V External Reference V
(L Versions, 2.5 V External Reference V
Reference V
i.e., AIN(+) – AIN(–) = 0 to V
Up But AIN(+) Cannot Go Below AIN(–)
i.e., AIN(+) – AIN(–) = –V
Be Biased to +V
Cannot Go Below 0 V
Functional from 1.2 V
AV
AV
AV
AV
Typically 10 nA, V
Test Conditions/Comments
DD
IN
IN
IN
DD
DD
DD
DD
DD
= 10 kHz Sine Wave, f
= 10 kHz Sine Wave, f
= 10 kHz Sine Wave, f
= 3 V, 5 V External Reference V
= DV
= DV
= DV
= DV
= DV
DD
DD
DD
DD
DD
DD
DD
DD
DD
= +3.0 V to +5.5 V, REF
= 5 V)
= 5 V)
= 5 V)
= 5 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
REF
IN
/2 and AIN(+) Can Go Below AIN(–) But
= 0 V or V
DD
DD
DD
DD
DD
DD
SAMPLE
SAMPLE
SAMPLE
= 5 V
REF
= 3 V, 5 V External Reference V
= 3 V, 5 V External Reference V
= 3 V, 5 V External Reference V
= 3 V, 5 V External Reference V
= 3 V, V
/2 to +V
REF
DD
SAMPLE
SAMPLE
, AIN(–) Can Be Biased
= 200 kHz (100 kHz)
= 200 kHz (100 kHz)
= 200 kHz (100 kHz)
DD
DD
DD
= 5 V
REF
= 5 V)
IN
DD
DD
DD
DD
= 5 V (B Grade Only)
= 200 kHz (100 kHz)
= 200 kHz (100 kHz)
/REF
/2, AIN(–) Should
= 3 V, 5 V External
= 3 V, 5 V External
= 3 V, 5 V External
= 3 V, 5 V External
SAMPLE
OUT
= 2.5 V
= 200 kHz
REV. B
DD
DD
DD
DD
= 5 V
= 5 V
= 5 V
= 5 V