Frequency Correction
Frequency Range ±4% of input frequency, 7th FFT bin (low limit) to
0.45´SR (high limit)
Spurious Products <–120 dB
Residual Distortion
Analog £–105 dB, SR=65 kS/s
£–90 dB, SR=262 kS/s (with performance option)
Digital –140 dBFS
Analog Input Characteristics
Input Ranges 355 mVp to 200 Vp [250 mVrms to 140 Vrms] in
binary (6.02 dB) steps
Maximum Rated Input 200 Vp, 140 Vrms (dc to 20 kHz); overload
protected in all ranges
Input Impedance
Balanced Nominal 200 kW // 95 pF
Option 600Z adds Nominal 600 W
Unbalanced Nominal 100 kW // 185 pF
Option 600Z adds Nominal 600 W
CMRR
10
355 mVp to 5.6 Vp
ranges ³80 dB, 10 Hz to 20 kHz
11.2 Vp to 200 Vp
ranges ³50 dB, 10 Hz to 1 kHz
Input Related Crosstalk £(–100 dB + 3 µV) at 20 kHz
Digital Input Characteristics
Formats
Balanced (XLR) AES3 per AES3-1997
Unbalanced (BNC) SPDIF-EIAJ per IEC 60958
Optical (Toslink®) per IEC 60958-3
Sample Rates 28.8 kHz to 108 kHz per connector
Word Width 8 to 24 bits
Input impedance
Balanced (XLR) Nominally 110 W or >2.5 kW
Unbalanced (BNC) Nominally 75 W or >3 kW
Digital Interface Measurements
Input Sample Rate
Internal Reference ±0.0003% [±3 PPM]
External Reference ±0.0001% [±1 PPM]
Input Voltage
Balanced (XLR) 200 mV to 5.10 Vpp, ±(10% + 50 mV)
Unbalanced (BNC)
100 mV to 1.275 Vpp, ±(10% + 12 mV)
Chapter 6: Specifications
54 Getting Started with ATS-2
10
CMRR performance below 50 Hz degrades substantially with AC coupling.