7

DSP101, 102

SBAS003A

–55 –40 –25

0

25

70

85

125

Ambient Temperature (°C)

DYNAMIC PERFORMANCE vs TEMPERATURE

(Data Analysis Over Full 0 to 100kHz Band)

75

80

85

90

95

–75

–80

–85

–90

–95

–100

100

f

SINAD

THD

SFDR

SNR

2048 Point FFT; Data analysis limited to 0 to 20kHz band; Unless otherwise specified.

000E

Output Code and Equivalent Voltage

(Binned at 16-bit level)

HISTOGRAM OF 5k CONVERSION RESULTS ON DSP102

(Both Inputs Grounded)

2500

2000

1500

1000

500

0

Channel A

Channel B

1.17mV

0000

0V

FFF7

FFF1

–1.26mV

Code

Voltage

70

75

80

85

90

95

–70

–75

–80

–85

–90

–95

100

–100

30

0

60

90

120

150

180

Conversion Rate (kHz)

DYNAMIC PERFORMANCE vs CONVERSION RATE

(Data Analysis over Full 0 to f

OSC1 = 12.288MHz, XCLK = 3.072MHz)

SINAD

SNR

THD

SFDR

f

–60

–70

–80

–90

1

10

100

1000

Input Frequency (kHz)

TOTAL HARMONIC DISTORTION

vs INPUT FREQUENCY

–100

±2.75V Input (0dB)

–55 –40 –25

0

25

70

85

125

Ambient Temperature (°C)

DYNAMIC PERFORMANCE vs TEMPERATURE

(f

Crystal Between OSC1 and OSC2)

70

75

80

85

90

95

–70

–75

–80

–85

–90

–95

–100

100

Ambient Temperature (°C)

f

THD

SFDR

SNR

SINAD

100

90

80

70

60

50

40

30

20

10

0.1

1

10

100

Input Frequency (kHz)

SINAD vs INPUT FREQUENCY

(Data Analysis over Full 0 to 100kHz Band)

0

±2.75V Input (0dB)

±0.275V Input (–20dB)

±2.75mV Input (–60dB)