f

40MHz

CLK

(

)

2.5

ADS1602

www.ti.com

SBAS341E

– DECEMBER 2004 – REVISED OCTOBER 2011

ELECTRICAL CHARACTERISTICS

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

+1.45V, and RBIAS = 37kΩ, unless otherwise noted.

ADS1602

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Analog Input

Differential input voltage (VIN) (AINP – AINN)

0dBFS

±VREF

V

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

1.45

V

Absolute input voltage

–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

91

dB

Signal-to-noise ratio (SNR)

fIN = 100kHz, –3dBFS

87

89

dB

fIN = 100kHz, –6dBFS

84

86

dB

fIN = 800kHz, –1dBFS

91

dB

fIN = 800kHz, –3dBFS

89

dB

fIN = 800kHz, –6dBFS

86

dB

fIN = 10kHz, –1dBFS

–94

dB

fIN = 10kHz, –3dBFS

–106

–92

dB

fIN = 10kHz, –6dBFS

–108

–93

dB

fIN = 100kHz, –1dBFS

–90

dB

Total harmonic distortion (THD)

fIN = 100kHz, –3dBFS

–96

–90

dB

fIN = 100kHz, –6dBFS

–101

–92

dB

fIN = 800kHz, –1dBFS

–116

dB

fIN = 800kHz, –3dBFS

–114

dB

fIN = 800kHz, –6dBFS

–110

dB

fIN = 10kHz, –1dBFS

89

dB

fIN = 10kHz, –3dBFS

85

90

dB

fIN = 10kHz, –6dBFS

82

87

dB

fIN = 100kHz, –1dBFS

87

dB

Signal-to-noise + distortion (SINAD)

fIN = 100kHz, –3dBFS

85

88

dB

fIN = 100kHz, –6dBFS

82

86

dB

fIN = 800kHz, –1dBFS

91

dB

fIN = 800kHz, –3dBFS

89

dB

fIN = 800kHz, –6dBFS

86

dB

fIN = 10kHz, –1dBFS

95

dB

fIN = 10kHz, –3dBFS

90

107

dB

fIN = 10kHz, –6dBFS

93

112

dB

fIN = 100kHz, –1dBFS

91

dB

Spurious-free dynamic range (SFDR)

fIN = 100kHz, –3dBFS

90

96

dB

fIN = 100kHz, –6dBFS

93

103

dB

fIN = 800kHz, –1dBFS

120

dB

fIN = 800kHz, –3dBFS

119

dB

fIN = 800kHz, –6dBFS

114

dB

f1 = 995kHz, –6dBFS

Intermodulation distortion (IMD)

94

dB

f2 = 1005kHz, –6dBFS

Aperture delay

4

ns

Copyright

© 2004–2011, Texas Instruments Incorporated

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