Datasheet

AD7607 Data Sheet
Rev. B | Page 4 of 32
SPECIFICATIONS
V
REF
= 2.5 V external/internal, AV
CC
= 4.75 V to 5.25 V, V
DRIVE
= 2.3 V to 5.25 V, f
SAMPLE
= 200 kSPS, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
1
Table 2.
Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE f
IN
= 1 kHz sine wave, unless otherwise noted
Signal-to-(Noise + Distortion) (SINAD)
2, 3
No oversampling; ±10 V range 84 84.5 dB
No oversampling; ±5 V range 83.5 84.5 dB
Signal-to-Noise Ratio (SNR)
2
Oversampling by 4, f
IN
= 130 Hz 85.5 dB
No oversampling 84.5 dB
Total Harmonic Distortion (THD)
2
−107 −95 dB
Peak Harmonic or Spurious Noise (SFDR)
2
−108
dB
Intermodulation Distortion (IMD)
2
fa = 1 kHz, fb = 1.1 kHz
Second-Order Terms −110 dB
Third-Order Terms −106 dB
Channel-to-Channel Isolation
2
f
IN
on unselected channels up to 160 kHz −95 dB
ANALOG INPUT FILTER
Full Power Bandwidth −3 dB, ±10 V range 23 kHz
−3 dB, ±5 V range 15 kHz
−0.1 dB, ±10 V range 10 kHz
−0.1 dB, ±5 V range 5 kHz
t
GROUP DELAY
±10 V Range 11 µs
±5 V Range 15 µs
DC ACCURACY
Resolution No missing codes 14 Bits
Differential Nonlinearity
2
±0.25 ±0.95 LSB
4
Integral Nonlinearity
2
±0.25 ±0.5 LSB
Positive/Negative Full-Scale Error
2, 5
External reference
±2
±9
LSB
Internal reference ±2 LSB
Positive Full-Scale Error Drift
2
External reference ±2 ppm/°C
Internal reference ±7 ppm/°C
Negative Full-Scale Error Drift External reference ±4 ppm/°C
Internal reference ±8 ppm/°C
Positive/Negative Full-Scale Error
Matching
2
±10 V range 2 8 LSB
±5 V range 4 10 LSB
Bipolar Zero Code Error
2, 6
±10 V range ±0.5 ±2 LSB
±5 V range ±1 ±3.5 LSB
Bipolar Zero Code Error Drift
2
±10 V range
10
µV/°C
±5 V range
5
µV/°C
Bipolar Zero Code Error Matching ±10 V range 1 2.5 LSB
±5 V range 3 6 LSB
Total Unadjusted Error (TUE) ±10 V range ±0.5 LSB
±5 V range ±1 LSB
ANALOG INPUT
Input Voltage Ranges RANGE = 1 ±10 V
RANGE = 0 ±5 V
Input Current +10 V 5.4 µA
+5 V 2.5 µA
Input Capacitance
7
5 pF
Input Impedance See the Analog Input section 1 MΩ