f

20MHZ

CLK

(

)

1.25

ADS1601

www.ti.com

SBAS322D

– DECEMBER 2004 – REVISED OCTOBER 2011

ELECTRICAL CHARACTERISTICS

All specifications at TA = –40°C to +85°C, AVDD = 5V, DVDD = IOVDD = 3V, fCLK = 20MHz, VREF = +3V, VCM = +2.7V, and

RBIAS = 60kΩ, unless otherwise noted.

ADS1601

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Analog Input

Differential input voltage (VIN) (AINP – AINN)

0dBFS

±0.94VREF

V

Common-mode input voltage (VCM) (AINP + AINN) / 2

2.7

V

Differential input voltage (VIN)

0dBFS

–0.1

4.6

V

(AINP or AINN with respect to AGND)

Dynamic Specifications

Data rate

MSPS

fIN = 10kHz, –1dBFS

92

dB

fIN = 10kHz, –3dBFS

87

90

dB

fIN = 10kHz, –6dBFS

84

87

dB

fIN = 100kHz, –1dBFS

92

dB

Signal-to-noise ratio (SNR)

fIN = 100kHz, –3dBFS

87

90

dB

fIN = 100kHz, –6dBFS

84

87

dB

fIN = 500kHz, –1dBFS

91

dB

fIN = 500kHz, –3dBFS

89

dB

fIN = 500kHz, –6dBFS

87

dB

fIN = 10kHz, –1dBFS

–91

dB

fIN = 10kHz, –3dBFS

–100

–90

dB

fIN = 10kHz, –6dBFS

–104

–97

dB

fIN = 100kHz, –1dBFS

–88

dB

Total harmonic distortion (THD)

fIN = 100kHz, –3dBFS

–96

–90

dB

fIN = 100kHz, –6dBFS

–103

–96

dB

fIN = 500kHz, –1dBFS

–115

dB

fIN = 500kHz, –3dBFS

–112

dB

fIN = 500kHz, –6dBFS

–110

dB

fIN = 10kHz, –1dBFS

88

dB

fIN = 10kHz, –3dBFS

85

89

dB

fIN = 10kHz, –6dBFS

84

87

dB

fIN = 100kHz, –1dBFS

87

dB

Signal-to-noise + distortion (SINAD)

fIN = 100kHz, –3dBFS

85

88

dB

fIN = 100kHz, –6dBFS

84

86

dB

fIN = 500kHz, –1dBFS

91

dB

fIN = 500kHz, –3dBFS

89

dB

fIN = 500kHz, –6dBFS

87

dB

fIN = 10kHz, –1dBFS

92

dB

fIN = 10kHz, –3dBFS

91

100

dB

fIN = 10kHz, –6dBFS

98

109

dB

fIN = 100kHz, –1dBFS

88

dB

Spurious-free dynamic range (SFDR)

fIN = 100kHz, –3dBFS

90

97

dB

fIN = 100kHz, –6dBFS

97

105

dB

fIN = 500kHz, –1dBFS

120

dB

fIN = 500kHz, –3dBFS

118

dB

fIN = 500kHz, –6dBFS

115

dB

f1 = 499kHz, –6dBFS

Intermodulation distortion (IMD)

94

dB

f2 = 501kHz, –6dBFS

Aperture delay

4

ns

Copyright

© 2004–2011, Texas Instruments Incorporated

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