Specifications

ANALOG CHARACTERISTICS( T
A
= 25°C; VA, VD = +5V; Input Levels: Logic 0 = 0V,
Logic 1 = VD; 1kHz Input Sine Wave; CLKIN = 12.288 MHz; SM3 Slave sub-mode, 256 BPF; 0dB gain/attenu-
ation;Conversion Rate = 48 kHz; SCLK = 12.288 MHz; Measurement Bandwidth is 10 Hz to 20 kHz; Unless oth-
erwise specified.)
Parameter * Symbol Min Typ Max Units
Analog Input Characteristics - Minimum gain setting (0 dB); unless otherwise specified.
ADC Resolution 16 - - Bits
ADC Differential Nonlinearity (Note 1) - - ±0.9 LSB
Instantaneous Dynamic Range (Note 3) IDR 80 84 - dB
Total Harmonic Distortion THD - - 0.02 %
Interchannel Isolation - 80 - dB
Interchannel Gain Mismatch - - ±0.5 dB
Frequency Response (Note 1) -0.5 - +0.2 dB
Programmable Input Gain - 22.5 - dB
Gain Step Size - 1.5 - dB
Absolute Gain Step Error - - 0.75 dB
Gain Drift (Note 1) - 100 - ppm/°C
Offset Error 0dB Gain - - ±50 LSB
22.5dB Gain -
−±500 LSB
Full Scale Input Voltage 2.5 2.8 3.1 V
pp
Input Resistance (Notes 1,2) 20 - - kΩ
Input Capacitance (Note 1) - - 15 pF
Notes: 1. This specification is guaranteed by characterization, not production testing.
2. Input resistance is for the input selected. Non-selected inputs have a very high (>1M
Ω) input resistance.
3. Operation in Slave sub-modes may yield results lower than the 80 dB minimum.
* Parameter definitions are given at the end of this data sheet.
Specifications are subject to change without notice.
RECOMMENDED OPERATING CONDITIONS (AGND, DGND = 0V, all voltages with respect
to 0V.)
Parameter Symbol Min Typ Max Units
Power Supplies: Digital VD 4.75 5.0 5.25 V
Digital (Low Voltage) VD 3.0 3.3 3.6 V
Analog VA 4.75 5.0 5.25 V
Operating Ambient Temperature T
A
02570°C
CS4218
DS135F1 3