ADL5304ACPZ-R2 datasheet(3/32 Pages) AD

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Data Sheet

ADL5304

Rev. 0 | Page 3 of 32

SPECIFICATIONS

VPOS = 5 V, VNEG = 0 V, TA = 25°C; IDEN = IREF; VSM1 to VSM4, 1P5V, DCBI, and INPS tied together; SCL1 = VLOG; SCL2 = INMS;

SCL3 = open; scale = 200 mV/dec; VLOG output load RL > 2 kΩ, unless otherwise noted. Upper case indicates a pin name (for example,

VLOG) and subscripted indicates signal name (for example, VLOG).

Table 1.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

INPUT INTERFACES

INUM, IDEN, VSMx pins

Specified Current Range

Flows toward each input pin (INUM and IDEN),

−5 V ≤ VNEG ≤ −2 V

1−12

10−3

VNEG = 0 V

1−12

3−3

Temperature Drift (INUM and IDEN)

−40°C < TA < +85°C

0.01

mV/°C

Input Guard Offset Voltage

VINUM − VVSUM

−2

±0.6

LOGARITHMIC OUTPUT

VLOG pin, referenced to ACOM; input applied to

INUM1

Logarithmic Slope, VY

25°C

195

200

205

mV/dec

−40°C < TA < +85°C

−2

mV/dec

Logarithmic Intercept, IZ2

Extrapolated input current at VLOG = 0 V

3.162

Logarithmic Offset

Difference between VLOG and VSUM with INUM = IDEN

−8

−40°C < TA < +85°C

μV/°C

Logarithmic Law Conformance Error

Maximum deviation from best fit over

1 nA to 100 μA range

−0.7

±0.2

+0.7

VLOG OUTPUT

INPS, INMS, VLOG, SCL1, SCL2, SCL3 pins

Output Buffer Offset Voltage

−3

+0.1

Output Buffer Bias Current

Flowing out of the INPS pin

−1.3

μA

Incremental Input Resistance

Pin INPS

MΩ

Output Range

RL open

VNEG + 0.2

VPOS − 0.2

Output Noise Spectral Density3

INUM > 1 nA

μV/√Hz

Small Signal Bandwidth

INUM = 1 nA

kHz

INUM = 10 nA

350

kHz

INUM = 100 nA

1.2

MHz

INUM > 1 μA

MHz

Falling Edge Settling Times4

INUM = 100 nA to 10 nA

μs

INUM = 1 μA to 100 nA

2.2

μs

INUM = 10 μA to 1 μA

0.5

μs

INUM > 10 μA

<0.5

μs

Nominal Voltage Swing

For input current range of 1 pA to 10 mA

0.5

2.5

Output Impedance

Frequency < 1 MHz

REFERENCE OUTPUTS

1P5V, 2VLT, IREF pins

1P5V (Referenced to ACOM)

25°C

1.495

1.500

1.505

−40°C < TA < +85°C

μV/°C

Output Current

−10

2VLT (Referenced to ACOM)

25°C

1.995

2.000

2.005

−40°C < TA < +85°C

μV/°C

Output Current

Sourcing only

IREF5

25°C

100

−40°C < TA < +85°C

−70

pA/°C

PHOTODIODE BIAS

IMON pin; IMON = 1.1 × INUM

Midrange Value

At a photodiode current = INUM = 100 nA

110

Maximum Value

At INUM = 1 mA (RS ≤ 100 Ω), RMNTR = 10 × RS

(RS = photodiode series resistance)

10.5

11.5

IMON Compliance

3.0

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